21698697978672

Names of 21698697978672

• Cardinal: 21698697978672 can be written as Twenty-one trillion, six hundred ninety-eight billion, six hundred ninety-seven million, nine hundred seventy-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1698697978672 × 10¹³

Factors of 21698697978672

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 26543

Divisors of 21698697978672

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 31 33 39 44 48 52 53 62 66 73 78 88 93 104 106 124 132 143 146 156 159 176 186 208 212 219 248 264 286 292 312 318 341 372 403 424 429 438 496 528 572 583 584 624 636 682 689 744 803 806 848 858 876 949 1023 1144 1166 1168 1209 1272 1364 1378 1488 1606 1612 1643 1716 1749 1752 1898 2046 2067 2263 2288 2332 2409 2418 2544 2728 2756 2847 3212 3224 3286 3432 3498 3504 3796 3869 4092 4134 4433 4526 4664 4818 4836 4929 5456 5512 5694 6424 6448 6572 6789 6864 6996 7579 7592 7738 8184 8268 8866 9052 9328 9636 9672 9858 10439 11024 11388 11607 12848 13144 13299 13578 13992 15158 15184 15476 16368 16536 17732 18073 18104 19272 19344 19716 20878 21359 22737 22776 23214 24893 26288 26357 26598 27156 27984 29419 30316 30952 31317 33072 35464 36146 36208 38544 39432 41756 42559 42718 45474 45552 46428 49786 50297 52714 53196 54219 54312 58838 60632 61904 62634 64077 70928 72292 74679 78864 79071 83512 85118 85436 88257 90948 92856 99572 100594 105428 106392 108438 108624 117676 119939 121264 125268 127677 128154 144584 149358 150891 158142 167024 170236 170872 176514 181896 185712 199144 201188 210856 212784 216876 234949 235352 239878 250536 255354 256308 289168 289927 298716 301782 316284 323609 340472 341744 342641 353028 359817 363792 398288 402376 421712 433752 469898 470704 479756 501072 510708 512616 553267 579854 597432 603564 632568 647218 680944 685282 704847 706056 719634 804752 817067 867504 869781 939796 959512 970827 1021416 1025232 1027923 1106534 1159708 1194864 1207128 1265136 1294436 1319329 1370564 1396921 1409694 1412112 1439268 1559207 1634134 1659801 1739562 1879592 1919024 1924061 1941654 2042832 2055846 2213068 2319416 2414256 2451201 2588872 2638658 2741128 2793842 2819388 2878536 3118414 3268268 3319602 3479124 3759184 3769051 3848122 3883308 3957987 4111692 4190763 4426136 4638832 4677621 4902402 5177744 5277316 5482256 5587684 5638776 5757072 5772183 6236828 6536536 6639204 6958248 7538102 7696244 7766616 7915974 8223384 8381526 8852272 8987737 9355242 9804804 10554632 10621871 11175368 11277552 11307153 11544366 12473656 13073072 13278408 13916496 15076204 15366131 15392488 15533232 15831948 16446768 16763052 17151277 17975474 18159973 18710484 19609608 21109264 21164671 21243742 22350736 22614306 23088732 24947312 25012793 26556816 26963211 30152408 30732262 30784976 31663896 31865613 33526104 34302554 35950948 36319946 37420968 39219216 42329342 42487484 43304551 45228612 46098393 46177464 50025586 51453831 53926422 54479919 59645891 60304816 61464524 63327792 63494013 63731226 67052208 68605108 71901896 72639892 74841936 75038379 84658684 84974968 86609102 90457224 92196786 92354928 100051172 101975233 102907662 107852844 108959838 116840581 119291782 122929048 126988026 127462452 129913653 137210216 143803792 145279784 150076758 169317368 169949936 173218204 178937673 180914448 184393572 199759703 200102344 203950466 205815324 215705688 217919676 233681162 238583564 245858096 253976052 254924904 259827306 274420432 275140723 290559568 300153516 305925699 338634736 346436408 350521743 357875346 368787144 399519406 400204688 407900932 411630648 431411376 435839352 467362324 476350061 477167128 507952104 509849808 519654612 550281446 562959163 599279109 600307032 611851398 656104801 692872816 701043486 715750692 737574288 775396583 799038812 815801864 823261296 825422169 871678704 934724648 952700122 954334256 1015904208 1039309224 1100562892 1121727563 1125918326 1198558218 1200614064 1223702796 1312209602 1325678029 1402086972 1429050183 1431501384 1550793166 1598077624 1631603728 1650844338 1688877489 1869449296 1905400244 1968314403 2078618448 2201125784 2243455126 2251836652 2326189749 2397116436 2447405592 2624419204 2651356058 2804173944 2858100366 2863002768 3101586332 3161232223 3196155248 3301688676 3365182689 3377754978 3810800488 3936628806 3977034087 4402251568 4486910252 4503673304 4652379498 4794232872 4894811184 5248838408 5302712116 5608347888 5716200732 6192550793 6203172664 6322464446 6603377352 6730365378 6755509956 7621600976 7873257612 7954068174 8529362413 8973820504 9007346608 9304758996 9483696669 9588465744 10497676816 10605424232 11432401464 12385101586 12406345328 12644928892 13206754704 13460730756 13511019912 14582458319 15746515224 15908136348 17058724826 17947641008 18577652379 18609517992 18967393338 21210848464 22864802928 24770203172 25289857784 25588087239 26921461512 27022039824 29164916638 31493030448 31816272696 34117449652 34773554453 37155304758 37219035984 37934786676 41096018899 43747374957 49540406344 50579715568 51176174478 53842923024 58329833276 63632545392 68234899304 69547108906 74310609516 75869573352 82192037798 87494749914 99080812688 102352348956 104320663359 116659666552 123288056697 136469798608 139094217812 148621219032 151739146704 164384075596 174989499828 204704697912 208641326718 233319333104 246576113394 278188435624 297242438064 328768151192 349978999656 409409395824 417282653436 452056207889 493152226788 556376871248 657536302384 699957999312 834565306872 904112415778 986304453576 1356168623667 1669130613744 1808224831556 1972608907152 2712337247334 3616449663112 5424674494668 7232899326224 10849348989336 21698697978672
• Sum of all divisors σ(n): 70213218066432
• Sum of proper divisors (its aliquot sum) s(n): 48514520087760
• 21698697978672 is an abundant number, because the sum of its proper divisors (48514520087760) is greater than itself. Its abundance is 26815822109088

Bases of 21698697978672

• Binary: 100111011110000011111001011110110001100110000₂
• Hexadecimal: 0x13BC1F2F6330
• Base-36: 7OW8SJ6EO

Squares and roots of 21698697978672

• 21698697978672 squared (21698697978672²) is 470833493969624338566883584
• 21698697978672 cubed (21698697978672³) is 10216473783889762936628411797419138920448
• The square root of 21698697978672 is 4658186.1253788477
• The cube root of 21698697978672 is 27891.8866533647

Scales and comparisons

• 21,698,697,978,672 seconds is equal to 689,951 years, 24 weeks, 5 days, 17 hours, 11 minutes, 12 seconds.
• To count from 1 to 21,698,697,978,672 would take you about one million, seven hundred twenty-four thousand, eight hundred seventy-eight 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 21698697978672 cubic inches would be around 2324.3 feet tall.

Recreational maths with 21698697978672

• 21698697978672 backwards is 27687979689612
• The number of decimal digits it has is: 14
• The sum of 21698697978672's digits is 87
• More coming soon!