21621869939376

Names of 21621869939376

• Cardinal: 21621869939376 can be written as Twenty-one trillion, six hundred twenty-one billion, eight hundred sixty-nine million, nine hundred thirty-nine thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.1621869939376 × 10¹³

Factors of 21621869939376

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 36958

Divisors of 21621869939376

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 23 24 28 36 38 42 46 48 49 56 57 63 69 72 76 84 92 98 112 114 126 133 138 144 147 152 161 168 171 184 191 196 207 228 252 266 276 294 304 322 336 342 368 382 392 399 414 437 441 456 483 504 532 552 573 588 644 684 764 784 798 828 874 882 912 931 966 1008 1064 1104 1127 1146 1176 1197 1288 1311 1337 1368 1449 1528 1596 1656 1719 1748 1764 1862 1932 2128 2254 2292 2352 2394 2576 2622 2674 2736 2793 2898 3056 3059 3192 3312 3381 3438 3496 3528 3629 3724 3864 3933 4011 4393 4508 4584 4788 5244 5348 5586 5796 6118 6384 6762 6876 6992 7056 7258 7448 7728 7866 8022 8379 8786 9016 9168 9177 9359 9576 10143 10488 10696 10887 11172 11592 12033 12236 13179 13524 13752 14516 14896 15732 16044 16758 17572 18032 18354 18718 19152 20286 20976 21392 21413 21774 22344 23184 24066 24472 25403 26358 27048 27504 27531 28077 29032 30751 31464 32088 32661 33516 35144 36708 36713 37436 39537 40572 42826 43548 44688 48132 48944 50806 52716 54096 55062 56154 58064 61502 62928 64176 64239 65322 67032 70288 73416 73426 74872 76209 79074 81144 83467 84231 85652 87096 92253 96264 101612 105432 110124 110139 112308 123004 128478 130644 134064 146832 146852 149744 152418 158148 162288 166934 168462 171304 174192 177821 184506 192528 192717 203224 210864 215257 220248 220278 224616 228627 246008 250401 256956 256991 261288 276759 293704 304836 316296 330417 333868 336924 342608 355642 369012 385434 406448 430514 440496 440556 449232 457254 492016 500802 513912 513982 522576 533463 553518 584269 587408 609672 632592 645771 660834 667736 673848 697547 711284 738024 751203 770868 770973 844399 861028 881112 914508 1001604 1027824 1027964 1066926 1107036 1168538 1219344 1291542 1321668 1335472 1347696 1395094 1422568 1476048 1502406 1541736 1541946 1600389 1688798 1722056 1752807 1762224 1798937 1829016 1937313 2003208 2055928 2092641 2133852 2214072 2312919 2337076 2533197 2583084 2643336 2790188 2845136 3004812 3083472 3083892 3200778 3377596 3444112 3505614 3597874 3658032 3874626 4006416 4089883 4111856 4185282 4267704 4428144 4625838 4674152 4882829 5066394 5166168 5258421 5286672 5396811 5580376 5910793 6009624 6167784 6277923 6401556 6755192 7011228 7012183 7195748 7599591 7749252 8179766 8370564 8535408 9251676 9348304 9765658 10132788 10332336 10516842 10793622 11160752 11821586 12019248 12269649 12335568 12555846 12803112 13510384 14022456 14024366 14391496 14648487 15199182 15498504 16043581 16190433 16359532 16741128 17732379 18503352 19531316 20265576 21033684 21036549 21587244 23643172 24539298 25111692 25606224 28044912 28048732 28782992 29296974 30398364 30997008 32087162 32380866 32719064 33482256 34179803 35464758 36808947 37006704 39062632 40531152 41375551 42067368 42073098 43174488 43945461 47286344 48130743 49078596 49085281 50223384 53197137 56097464 58593948 60796728 63109647 64174324 64761732 65438128 68359606 70929516 73617894 78125264 82751102 84134736 84146196 86348976 87890922 94572688 96261486 98157192 98170562 100446768 102539409 106394274 112194928 112305067 117187896 121593456 124126653 126219294 128348648 129523464 133231477 136719212 141859032 144392229 147235788 147255843 161280209 165502204 168292392 175781844 192522972 196314384 196341124 205078818 212788548 224610134 234375792 248253306 252438588 256697296 259046928 266462954 273438424 283718064 288784458 294471576 294511686 307618227 322560418 331004408 336584784 336915201 343596967 351563688 372379959 385045944 392682248 399694431 410157636 425577096 441767529 449220268 483840627 496506612 504877176 532925908 546876848 577568916 588943152 589023372 615236454 645120836 662008816 673830402 687193934 703127376 744759918 770091888 785364496 786135469 799388862 820315272 851154192 883535058 898440536 932620339 967681254 993013224 1009754352 1010745603 1030790901 1065851816 1128961463 1155137832 1178046744 1199083293 1230472908 1290241672 1347660804 1374387868 1451521881 1489519836 1572270938 1598777724 1640630544 1767070116 1796881072 1865240678 1935362508 1986026448 2021491206 2061581802 2131703632 2257922926 2310275664 2356093488 2358406407 2398166586 2460945816 2580483344 2695321608 2748775736 2797861017 2903043762 2979039672 3064323971 3092372703 3144541876 3197555448 3386884389 3534140232 3730481356 3870725016 4042982412 4123163604 4515845852 4716812814 4796333172 4921891632 5390643216 5497551472 5595722034 5806087524 5958079344 6128647942 6184745406 6289083752 6395110896 6528342373 6773768778 7068280464 7075219221 7460962712 7741450032 7902730241 8085964824 8246327208 8393583051 9031691704 9192971913 9433625628 9592666344 10160653167 11191444068 11612175048 12257295884 12369490812 12578167504 13056684746 13547537556 14150438442 14921925424 15805460482 16171929648 16492654416 16787166102 18063383408 18385943826 18867251256 19185332688 19585027119 20321306334 21450267797 22382888136 23224350096 23708190723 24514591768 24738981624 26113369492 27095075112 27578915739 28300876884 31610920964 33574332204 36771887652 37734502512 39170054238 40642612668 42900535594 44765776272 47416381446 49029183536 49477963248 52226738984 54190150224 55157831478 56601753768 58755081357 63221841928 64350803391 67148664408 71124572169 73543775304 78340108476 81285225336 85801071188 94832762892 104453477968 110315662956 113203507536 117510162714 126443683856 128701606782 134297328816 142249144338 147087550608 150151874579 156680216952 162570450672 171602142376 189665525784 193052410173 220631325912 235020325428 257403213564 284498288676 300303749158 313360433904 343204284752 379331051568 386104820346 441262651824 450455623737 470040650856 514806427128 568996577352 600607498316 772209640692 900911247474 940081301712 1029612854256 1137993154704 1201214996632 1351366871211 1544419281384 1801822494948 2402429993264 2702733742422 3088838562768 3603644989896 5405467484844 7207289979792 10810934969688 21621869939376
• Sum of all divisors σ(n): 77723808215040
• Sum of proper divisors (its aliquot sum) s(n): 56101938275664
• 21621869939376 is an abundant number, because the sum of its proper divisors (56101938275664) is greater than itself. Its abundance is 34480068336288

Bases of 21621869939376

• Binary: 100111010101000111011111000001000101010110000₂
• Hexadecimal: 0x13AA3BE08AB0
• Base-36: 7NWY73NW0

Squares and roots of 21621869939376

• 21621869939376 squared (21621869939376²) is 467505259675291509915269376
• 21621869939376 cubed (21621869939376³) is 10108337920673356376936792965749829349376
• The square root of 21621869939376 is 4649932.2510522667
• The cube root of 21621869939376 is 27858.9290225747

Scales and comparisons

• 21,621,869,939,376 seconds is equal to 687,508 years, 30 weeks, 2 days, 7 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,621,869,939,376 would take you about one million, seven hundred eighteen thousand, seven hundred seventy-one 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 21621869939376 cubic inches would be around 2321.6 feet tall.

Recreational maths with 21621869939376

• 21621869939376 backwards is 67393996812612
• 21621869939376 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21621869939376's digits is 72
• More coming soon!