21807238083840

Names of 21807238083840

• Cardinal: 21807238083840 can be written as Twenty-one trillion, eight hundred seven billion, two hundred thirty-eight million, eighty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.180723808384 × 10¹³

Factors of 21807238083840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3090

Divisors of 21807238083840

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 137 144 160 165 176 180 192 198 220 240 256 264 274 288 320 330 352 360 384 396 411 440 480 495 521 528 548 576 640 660 685 704 720 768 792 822 880 960 990 1042 1056 1096 1152 1233 1280 1320 1370 1408 1440 1507 1563 1584 1644 1760 1920 1980 2055 2084 2112 2192 2304 2411 2466 2605 2640 2740 2816 2880 3014 3126 3168 3288 3520 3840 3960 4110 4168 4224 4384 4521 4689 4822 4932 5210 5280 5480 5731 5760 6028 6165 6252 6336 6576 7040 7233 7535 7815 7920 8220 8336 8448 8768 9042 9378 9644 9864 10420 10560 10960 11462 11520 12055 12056 12330 12504 12672 13152 13563 14080 14466 15070 15630 15840 16440 16672 17193 17536 18084 18756 19288 19728 20840 21120 21699 21920 22605 22924 23445 24110 24112 24660 25008 25344 26304 26521 27126 28655 28932 30140 31260 31680 32880 33344 34386 35072 36165 36168 37512 38576 39456 41680 42240 43398 43840 45210 45848 46890 48220 48224 49320 50016 51579 52608 53042 54252 57310 57864 60280 62520 63360 65760 66688 67815 68772 71377 72330 72336 75024 77152 78912 79563 83360 85965 86796 87680 90420 91696 93780 96440 96448 98640 100032 103158 105216 106084 108495 108504 114620 115728 120560 125040 126720 131520 132605 133376 135630 137544 142754 144660 144672 150048 154304 157824 159126 166720 171930 173592 175360 180840 183392 187560 192880 192896 197280 200064 206316 212168 214131 216990 217008 229240 231456 238689 241120 250080 257895 263040 265210 271260 275088 285508 289320 289344 300096 308608 315648 318252 330307 333440 343860 347184 356885 361680 366784 375120 385760 385792 394560 397815 400128 412632 424336 428262 433980 434016 458480 462912 477378 482240 500160 515790 526080 530420 542520 550176 571016 578640 578688 600192 617216 636504 642393 660614 666880 687720 694368 713770 723360 733568 750240 771520 785147 789120 795630 825264 848672 856524 867960 868032 916960 925824 954756 964480 990921 1000320 1031580 1060840 1070655 1085040 1100352 1142032 1157280 1157376 1193445 1200384 1256131 1273008 1284786 1321228 1375440 1388736 1427540 1446720 1467136 1500480 1543040 1570294 1578240 1591260 1650528 1651535 1697344 1713048 1735920 1736064 1833920 1851648 1909512 1928960 1981842 2000640 2063160 2121680 2141310 2170080 2200704 2284064 2314560 2355441 2386890 2512262 2546016 2569572 2642456 2750880 2777472 2855080 2893440 2972763 3000960 3086080 3140588 3182520 3211965 3301056 3303070 3394688 3426096 3471840 3472128 3633377 3667840 3768393 3819024 3925735 3963684 4126320 4243360 4282620 4340160 4401408 4568128 4629120 4710882 4773780 4954605 5024524 5092032 5139144 5284912 5501760 5554944 5710160 5786880 5945526 6001920 6280655 6281176 6365040 6423930 6602112 6606140 6789376 6852192 6943680 7066323 7266754 7335680 7536786 7638048 7851470 7927368 8252640 8486720 8565240 8680320 9136256 9258240 9421764 9547560 9909210 10049048 10184064 10278288 10569824 10900131 11003520 11305179 11420320 11777205 11891052 12561310 12562352 12730080 12847860 13204224 13212280 13704384 13817441 13887360 14132646 14533508 14863815 15073572 15276096 15702940 15854736 16505280 16973440 17130480 17360640 18166885 18272512 18841965 18843528 19095120 19818420 20098096 20368128 20556576 21139648 21800262 22007040 22610358 22840640 23554410 23782104 25122620 25124704 25460160 25695720 26424560 27408768 27634882 27774720 28265292 29067016 29727630 30147144 30552192 31405880 31709472 32700393 33010560 33946880 34260960 35331615 36333770 37683930 37687056 38190240 39636840 40196192 41113152 41452323 42279296 43600524 45220716 45681280 47108820 47564208 50245240 50249408 50920320 51391440 52849120 54500655 54817536 55269764 56525895 56530584 58134032 59455260 60294288 61104384 62811760 63418944 65400786 66021120 68521920 69087205 70663230 72667540 75367860 75374112 76380480 79273680 80392384 82226304 82904646 84558592 87201048 90441432 91362560 94217640 95128416 100490480 100498816 101840640 102782880 105698240 109001310 110539528 113051790 113061168 116268064 118910520 120588576 124356969 125623520 126837888 130801572 137043840 138174410 141326460 145335080 150735720 150748224 152760960 158547360 160784768 163501965 164452608 165809292 172089947 174402096 180882864 188435280 190256832 200980960 200997632 205565760 207261615 211396480 218002620 221079056 226103580 226122336 232536128 237821040 241177152 248713938 251247040 253675776 261603144 274087680 276348820 282652920 290670160 301471440 301496448 305521920 317094720 321569536 327003930 331618584 344179894 348804192 361765728 376870560 380513664 401961920 411131520 414523230 422792960 436005240 442158112 452207160 452244672 465072256 475642080 482354304 497427876 502494080 516269841 523206288 552697640 565305840 581340320 602942880 602992896 621784845 634189440 654007860 663237168 688359788 697608384 723531456 753741120 761027328 803923840 822263040 829046460 860449735 872010480 884316224 904414320 904489344 930144512 951284160 964708608 994855752 1004988160 1032539682 1046412576 1105395280 1130611680 1162680640 1205885760 1243569690 1268378880 1308015720 1326474336 1376719576 1395216768 1447062912 1507482240 1548809523 1607847680 1658092920 1720899470 1744020960 1768632448 1808828640 1808978688 1892989417 1902568320 1989711504 2065079364 2092825152 2210790560 2261223360 2325361280 2411771520 2487139380 2581349205 2616031440 2652948672 2753439152 2790433536 2894125824 3014964480 3097619046 3316185840 3441798940 3488041920 3537264896 3617657280 3785978834 3805136640 3979423008 4130158728 4185650304 4421581120 4522446720 4650722560 4823543040 4974278760 5162698410 5232062880 5305897344 5506878304 5678968251 6195238092 6632371680 6883597880 6976083840 7235314560 7571957668 7744047615 7958846016 8260317456 8371300608 8843162240 9044893440 9464947085 9948557520 10325396820 10464125760 10611794688 11013756608 11357936502 12390476184 13264743360 13767195760 13952167680 14470629120 15143915336 15488095230 15917692032 16520634912 17036904753 17686324480 18929894170 19897115040 20650793640 20928251520 22027513216 22715873004 24780952368 26529486720 27534391520 28394841255 30287830672 30976190460 31835384064 33041269824 34073809506 37859788340 39794230080 41301587280 41856503040 44055026432 45431746008 49561904736 53058973440 55068783040 56789682510 60575661344 61952380920 66082539648 68147619012 75719576680 79588460160 82603174560 85184523765 90863492016 99123809472 110137566080 113579365020 121151322688 123904761840 132165079296 136295238024 151439153360 159176920320 165206349120 170369047530 181726984032 198247618944 220275132160 227158730040 242302645376 247809523680 272590476048 302878306720 330412698240 340738095060 363453968064 396495237888 454317460080 484605290752 495619047360 545180952096 605756613440 660825396480 681476190120 726907936128 908634920160 991238094720 1090361904192 1211513226880 1362952380240 1453815872256 1817269840320 1982476189440 2180723808384 2423026453760 2725904760480 3634539680640 4361447616768 5451809520960 7269079361280 10903619041920 21807238083840
• Sum of all divisors σ(n): 83104327942272
• Sum of proper divisors (its aliquot sum) s(n): 61297089858432
• 21807238083840 is an abundant number, because the sum of its proper divisors (61297089858432) is greater than itself. Its abundance is 39489851774592

Bases of 21807238083840

• Binary: 100111101010101100100101011011111010100000000₂
• Hexadecimal: 0x13D564ADF500
• Base-36: 7QA3UIBK0

Squares and roots of 21807238083840

• 21807238083840 squared (21807238083840²) is 475555632845281674869145600
• 21807238083840 cubed (21807238083840³) is 10370554907568258918658492576881967104000
• The square root of 21807238083840 is 4669822.0612610069
• The cube root of 21807238083840 is 27938.3157752055

Scales and comparisons

• 21,807,238,083,840 seconds is equal to 693,402 years, 37 weeks, 1 day, 22 hours, 24 minutes.
• To count from 1 to 21,807,238,083,840 would take you about one million, seven hundred thirty-three thousand, five hundred six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21807238083840 cubic inches would be around 2328.2 feet tall.

Recreational maths with 21807238083840

• 21807238083840 backwards is 04838083270812
• The number of decimal digits it has is: 14
• The sum of 21807238083840's digits is 54
• More coming soon!