21225784320

Names of 21225784320

• Cardinal: 21225784320 can be written as Twenty-one billion, two hundred twenty-five million, seven hundred eighty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.122578432 × 10¹⁰

Factors of 21225784320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 181

Divisors of 21225784320

• Number of divisors d(n): 880
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 31 32 36 39 40 45 48 52 54 60 62 64 65 72 78 80 81 90 93 96 104 108 117 120 124 127 128 130 135 144 155 156 160 162 180 186 192 195 208 216 234 240 248 254 256 260 270 279 288 310 312 320 324 351 360 372 381 384 390 403 405 416 432 465 468 480 496 508 512 520 540 558 576 585 620 624 635 640 648 702 720 744 762 768 780 806 810 832 837 864 930 936 960 992 1016 1024 1040 1053 1080 1116 1143 1152 1170 1209 1240 1248 1270 1280 1296 1395 1404 1440 1488 1524 1536 1560 1612 1620 1651 1664 1674 1728 1755 1860 1872 1905 1920 1984 2015 2032 2080 2106 2160 2232 2286 2304 2340 2418 2480 2496 2511 2540 2560 2592 2790 2808 2880 2976 3048 3072 3120 3224 3240 3302 3328 3348 3429 3456 3510 3627 3720 3744 3810 3840 3937 3968 4030 4064 4160 4185 4212 4320 4464 4572 4608 4680 4836 4953 4960 4992 5022 5080 5120 5184 5265 5580 5616 5715 5760 5952 6045 6096 6240 6448 6480 6604 6656 6696 6858 6912 7020 7254 7440 7488 7620 7680 7874 7936 8060 8128 8255 8320 8370 8424 8640 8928 9144 9216 9360 9672 9906 9920 9984 10044 10160 10287 10368 10530 10881 11160 11232 11430 11520 11811 11904 12090 12192 12480 12555 12896 12960 13208 13312 13392 13716 13824 14040 14508 14859 14880 14976 15240 15360 15748 15872 16120 16256 16510 16640 16740 16848 17145 17280 17856 18135 18288 18720 19344 19685 19812 19840 19968 20088 20320 20574 20736 21060 21762 22320 22464 22860 23040 23622 23808 24180 24384 24765 24960 25110 25792 25920 26416 26784 27432 27648 28080 29016 29718 29760 29952 30480 31496 31744 32240 32512 32643 33020 33280 33480 33696 34290 34560 35433 35712 36270 36576 37440 38688 39370 39624 39680 39936 40176 40640 41148 41472 42120 43524 44577 44640 44928 45720 46080 47244 47616 48360 48768 49530 49920 50220 51181 51435 51584 51840 52832 53568 54405 54864 56160 58032 59055 59436 59520 59904 60960 62992 64480 65024 65286 66040 66560 66960 67392 68580 69120 70866 71424 72540 73152 74295 74880 77376 78740 79248 79360 80352 81280 82296 82944 84240 87048 89154 89280 89856 91440 94488 95232 96720 97536 99060 99840 100440 102362 102870 103168 103680 105664 106299 107136 108810 109728 112320 116064 118110 118872 119040 119808 121920 125984 128960 130048 130572 132080 133731 133920 134784 137160 138240 141732 142848 145080 146304 148590 149760 153543 154752 157480 158496 158720 160704 162560 163215 164592 168480 174096 177165 178308 178560 179712 182880 188976 193440 195072 198120 199680 200880 204724 205740 206336 207360 211328 212598 214272 217620 219456 222885 224640 232128 236220 237744 238080 243840 251968 255905 257920 261144 264160 267462 267840 269568 274320 283464 285696 290160 292608 297180 299520 307086 309504 314960 316992 318897 321408 325120 326430 329184 336960 348192 354330 356616 357120 359424 365760 377952 386880 390144 396240 401760 409448 411480 412672 414720 422656 425196 428544 435240 438912 445770 449280 460629 464256 472440 475488 476160 487680 503936 511810 515840 522288 528320 531495 534924 535680 539136 548640 566928 580320 585216 594360 599040 614172 619008 629920 633984 637794 642816 650240 652860 658368 668655 673920 696384 708660 713232 714240 731520 755904 767715 773760 792480 803520 818896 822960 845312 850392 857088 870480 877824 891540 898560 921258 928512 944880 950976 975360 1007872 1023620 1031680 1044576 1056640 1062990 1069848 1071360 1078272 1097280 1133856 1160640 1170432 1188720 1228344 1238016 1259840 1267968 1275588 1285632 1305720 1316736 1337310 1347840 1381887 1392768 1417320 1426464 1428480 1463040 1511808 1535430 1547520 1584960 1594485 1607040 1637792 1645920 1690624 1700784 1740960 1755648 1783080 1797120 1842516 1857024 1889760 1901952 1950720 2015744 2047240 2063360 2089152 2113280 2125980 2139696 2142720 2194560 2267712 2303145 2321280 2377440 2456688 2519680 2535936 2551176 2571264 2611440 2633472 2674620 2695680 2763774 2785536 2834640 2852928 2926080 3023616 3070860 3095040 3169920 3188970 3214080 3275584 3291840 3401568 3481920 3511296 3566160 3685032 3714048 3779520 3803904 4031488 4094480 4145661 4178304 4226560 4251960 4279392 4285440 4389120 4535424 4606290 4642560 4754880 4913376 5039360 5071872 5102352 5222880 5266944 5349240 5391360 5527548 5571072 5669280 5705856 5852160 6047232 6141720 6190080 6339840 6377940 6428160 6551168 6583680 6803136 6909435 6963840 7132320 7370064 7559040 7607808 8188960 8291322 8356608 8453120 8503920 8558784 8778240 9070848 9212580 9285120 9509760 9826752 10078720 10204704 10445760 10533888 10698480 11055096 11142144 11338560 11411712 12094464 12283440 12679680 12755880 12856320 13102336 13167360 13606272 13818870 13927680 14264640 14740128 15118080 15215616 16377920 16582644 16713216 17007840 17117568 17556480 18141696 18425160 18570240 19019520 19653504 20157440 20409408 20728305 20891520 21396960 22110192 22677120 22823424 24566880 25359360 25511760 26204672 26334720 27212544 27637740 27855360 28529280 29480256 30236160 32755840 33165288 33426432 34015680 34235136 36283392 36850320 38039040 39307008 40818816 41456610 41783040 42793920 44220384 45354240 45646848 49133760 51023520 52409344 52669440 54425088 55275480 55710720 57058560 58960512 60472320 65511680 66330576 68031360 68470272 73700640 76078080 78614016 81637632 82913220 83566080 85587840 88440768 90708480 98267520 102047040 108850176 110550960 114117120 117921024 131023360 132661152 136062720 136940544 147401280 157228032 163275264 165826440 167132160 171175680 176881536 181416960 196535040 204094080 221101920 228234240 235842048 262046720 265322304 272125440 294802560 326550528 331652880 342351360 353763072 393070080 408188160 442203840 471684096 530644608 544250880 589605120 663305760 684702720 707526144 786140160 816376320 884407680 1061289216 1179210240 1326611520 1415052288 1632752640 1768815360 2122578432 2358420480 2653223040 3537630720 4245156864 5306446080 7075261440 10612892160 21225784320
• Sum of all divisors σ(n): 85220179968
• Sum of proper divisors (its aliquot sum) s(n): 63994395648
• 21225784320 is an abundant number, because the sum of its proper divisors (63994395648) is greater than itself. Its abundance is 42768611328

Bases of 21225784320

• Binary: 10011110001001001111100010000000000₂
• Hexadecimal: 0x4F127C400
• Base-36: 9R1A800

Squares and roots of 21225784320

• 21225784320 squared (21225784320²) is 450533919999157862400
• 21225784320 cubed (21225784320³) is 9562935814746259368934637568000
• The square root of 21225784320 is 145690.7145977395
• The cube root of 21225784320 is 2768.7765983377

Scales and comparisons

• 21,225,784,320 seconds is equal to 674 years, 47 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 21,225,784,320 would take you about one thousand, three hundred forty-nine 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 21225784320 cubic inches would be around 230.7 feet tall.

Recreational maths with 21225784320

• 21225784320 backwards is 02348752212
• 21225784320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21225784320's digits is 36
• More coming soon!