21813397627840

Names of 21813397627840

• Cardinal: 21813397627840 can be written as Twenty-one trillion, eight hundred thirteen billion, three hundred ninety-seven million, six hundred twenty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.181339762784 × 10¹³

Factors of 21813397627840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 6292

Divisors of 21813397627840

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 19 20 26 28 32 35 38 40 49 52 56 64 65 70 76 80 91 95 98 104 112 130 133 140 152 160 182 190 196 208 224 245 247 260 266 280 304 320 364 380 392 416 448 455 490 494 520 532 560 608 637 665 728 760 784 832 910 931 980 988 1040 1064 1093 1120 1216 1235 1274 1330 1456 1520 1568 1729 1820 1862 1960 1976 2080 2128 2186 2240 2470 2548 2660 2912 3040 3136 3185 3458 3640 3724 3920 3952 4160 4256 4372 4655 4940 5096 5153 5320 5465 5824 6080 6370 6916 7280 7448 7651 7840 7904 8512 8645 8744 9310 9880 10192 10306 10640 10930 12103 12740 13832 14209 14560 14896 15302 15680 15808 17290 17488 18620 19760 20384 20612 20767 21280 21860 24206 25480 25765 27664 28418 29120 29792 30604 34580 34976 36071 37240 38255 39520 40768 41224 41534 42560 43720 48412 50960 51530 53557 55328 56836 59584 60515 61208 66989 69160 69952 71045 72142 74480 76510 79040 82448 83068 87440 96824 97907 99463 101920 103060 103835 107114 110656 113672 121030 122416 133978 138320 142090 144284 145369 148960 153020 164896 166136 174880 180355 193648 195814 198926 203840 206120 207670 214228 227344 242060 244832 252497 267785 267956 269971 276640 284180 288568 290738 297920 306040 329792 332272 334945 349760 360710 387296 391628 397852 412240 415340 428456 454688 468923 484120 489535 489664 497315 504994 535570 535912 539942 553280 568360 577136 581476 612080 664544 669890 685349 696241 721420 726845 774592 783256 795704 824480 830680 856912 909376 937846 968240 979070 994630 1009988 1017583 1071140 1071824 1079884 1136720 1154272 1162952 1224160 1262485 1272791 1329088 1339780 1349855 1370698 1392482 1442840 1453690 1566512 1591408 1648960 1661360 1713824 1875692 1889797 1936480 1958140 1989260 2019976 2035166 2142280 2143648 2159768 2273440 2308544 2325904 2344615 2448320 2524970 2545582 2679560 2699710 2741396 2784964 2885680 2907380 3133024 3182816 3282461 3322720 3426745 3427648 3481205 3751384 3779594 3872960 3916280 3978520 4039952 4070332 4284560 4287296 4319536 4546880 4651808 4689230 4797443 5049940 5087915 5091164 5359120 5399420 5482792 5569928 5632229 5771360 5814760 6266048 6363955 6365632 6564922 6645440 6853490 6962410 7502768 7559188 7832560 7957040 8079904 8140664 8569120 8639072 8909537 9303616 9378460 9448985 9594886 10099880 10175830 10182328 10718240 10798840 10965584 11139856 11264458 11542720 11629520 12727910 13129844 13228579 13706980 13924820 15005536 15118376 15665120 15914080 16159808 16281328 16412305 17138240 17278144 17819074 18756920 18897970 19189772 20199760 20351660 20364656 21436480 21597680 21931168 22279712 22528916 23259040 23987215 25455820 26259688 26457158 27413960 27849640 28161145 30011072 30236752 31330240 31828160 32562656 32824610 35638148 37513840 37795940 38379544 39425603 40399520 40703320 40729312 43195360 43862336 44547685 44559424 45057832 46518080 47974430 50911640 52519376 52914316 54827920 55699280 56322290 60473504 62366759 65125312 65649220 66142895 71276296 73218977 75027680 75591880 76759088 78851206 80799040 81406640 81458624 86390720 89095370 90115664 95948860 101823280 105038752 105828632 107012351 109655840 111398560 112644580 120947008 124733518 131298440 132285790 142552592 146437954 150055360 151183760 153518176 157702412 162813280 178190740 180231328 191897720 197128015 203646560 210077504 211657264 214024702 219311680 222797120 225289160 249467036 262596880 264571580 275979221 285105184 292875908 302367520 307036352 311833795 315404824 325626560 356381480 360462656 366094885 383795440 394256030 407293120 423314528 428049404 450578320 498934072 512532839 525193760 529143160 535061755 551958442 570210368 585751816 604735040 623667590 630809648 712762960 732189770 749086457 767590880 788512060 846629056 856098808 901156640 997868144 1025065678 1050387520 1058286320 1070123510 1103916884 1171503632 1247335180 1261619296 1379896105 1391160563 1425525920 1464379540 1498172914 1535181760 1577024120 1712197616 1802313280 1995736288 2050131356 2116572640 2140247020 2207833768 2343007264 2494670360 2523238592 2562664195 2759792210 2782321126 2851051840 2928759080 2996345828 3154048240 3424395232 3587729873 3745432285 3991472576 4100262712 4233145280 4280494040 4415667536 4686014528 4989340720 5125328390 5243605199 5519584420 5564642252 5857518160 5992691656 6308096480 6848790464 6955802815 7175459746 7490864570 8200525424 8560988080 8831335072 9738123941 9978681440 10250656780 10487210398 11039168840 11129284504 11715036320 11985383312 12616192960 13911605630 14350919492 14981729140 16401050848 17121976160 17662670144 17938649365 19476247882 19957362880 20501313560 20974420796 22078337680 22258569008 23430072640 23970766624 26218025995 27823211260 28701838984 29963458280 32802101696 34243952320 35877298730 38952495764 41002627120 41948841592 44156675360 44517138016 47941533248 48690619705 52436051990 55646422520 57403677968 59926916560 68166867587 71754597460 77904991528 82005254240 83897683184 88313350720 89034276032 97381239410 104872103980 111292845040 114807355936 119853833120 136333735174 143509194920 155809983056 164010508480 167795366368 194762478820 209744207960 222585690080 229614711872 239707666240 272667470348 287018389840 311619966112 335590732736 340834337935 389524957640 419488415920 445171380160 545334940696 574036779680 623239932224 681668675870 779049915280 838976831840 1090669881392 1148073559360 1363337351740 1558099830560 1677953663680 2181339762784 2726674703480 3116199661120 4362679525568 5453349406960 10906698813920 21813397627840
• Sum of all divisors σ(n): 68572438643520
• Sum of proper divisors (its aliquot sum) s(n): 46759041015680
• 21813397627840 is an abundant number, because the sum of its proper divisors (46759041015680) is greater than itself. Its abundance is 24945643387840

Bases of 21813397627840

• Binary: 100111101011011010011110100010010001111000000₂
• Hexadecimal: 0x13D6D3D123C0
• Base-36: 7QCXPQQ4G

Squares and roots of 21813397627840

• 21813397627840 squared (21813397627840²) is 475824316070255739143065600
• 21813397627840 cubed (21813397627840³) is 10379345007435506931005492993425506304000
• The square root of 21813397627840 is 4670481.5199120531
• The cube root of 21813397627840 is 27940.9459582809

Scales and comparisons

• 21,813,397,627,840 seconds is equal to 693,598 years, 29 weeks, 4 days, 22 hours, 50 minutes, 40 seconds.
• To count from 1 to 21,813,397,627,840 would take you about one million, seven hundred thirty-three thousand, nine hundred ninety-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 21813397627840 cubic inches would be around 2328.4 feet tall.

Recreational maths with 21813397627840

• 21813397627840 backwards is 04872679331812
• The number of decimal digits it has is: 14
• The sum of 21813397627840's digits is 61
• More coming soon!