21642338718

Names of 21642338718

• Cardinal: 21642338718 can be written as Twenty-one billion, six hundred forty-two million, three hundred thirty-eight thousand, seven hundred eighteen.

Scientific notation

• Scientific notation: 2.1642338718 × 10¹⁰

Factors of 21642338718

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 223

Divisors of 21642338718

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 18 21 22 26 29 33 39 42 49 58 61 63 66 77 78 87 91 97 98 99 117 122 126 143 147 154 174 182 183 194 198 203 231 234 261 273 286 291 294 319 366 377 406 427 429 441 462 522 539 546 549 582 609 637 638 671 679 693 754 793 819 854 858 873 882 957 1001 1067 1078 1098 1131 1218 1261 1274 1281 1287 1342 1358 1386 1421 1586 1617 1638 1746 1769 1827 1911 1914 2002 2013 2037 2134 2233 2262 2379 2522 2562 2574 2639 2813 2842 2871 2989 3003 3201 3234 3393 3538 3654 3783 3822 3843 4026 4074 4147 4263 4466 4697 4753 4758 4851 5278 5307 5551 5626 5733 5742 5917 5978 6006 6039 6111 6402 6699 6786 7007 7137 7469 7566 7686 7917 8294 8439 8526 8723 8827 8967 9009 9394 9506 9603 9702 10614 11102 11349 11466 11834 12078 12222 12383 12441 12789 13398 13871 14014 14091 14259 14274 14938 15631 15834 15921 16653 16878 17446 17654 17751 17934 18018 18473 19206 19459 19691 20097 21021 22407 22698 22997 23751 24766 24882 25317 25578 26169 26481 26901 27742 28182 28518 29029 30943 31262 31842 32879 33306 35502 36569 36946 37149 37323 38857 38918 39382 40194 41419 41613 42042 42273 42777 44814 45994 46893 47502 49959 50634 52283 52338 52962 53253 53802 55419 58058 58377 59073 61061 61789 61886 63063 65087 65758 67221 68991 73138 74298 74646 76921 77714 78507 79443 82838 83226 84546 85554 86681 87087 92829 93786 97097 98637 99918 104566 106506 109707 110838 111447 116571 116754 118146 122122 123578 124257 124839 126126 130174 134442 136213 137837 137982 140679 153842 156849 157014 158886 160979 166257 171593 173362 174174 175131 177219 183183 185367 185658 194194 195261 197274 203203 206973 216601 219414 222894 230763 233142 248514 249678 252967 255983 260043 261261 272426 275674 278487 281358 289933 291291 295911 313698 321958 329121 332514 343186 349713 350262 354438 366366 370734 372771 390522 402259 406406 408639 413511 413946 427427 433202 455609 461526 470547 482937 505934 511966 514779 520086 522522 538447 549549 556101 556974 579866 582582 585783 591822 609609 649803 658242 679679 692289 699426 745542 758901 767949 780129 804518 817278 827022 846131 854854 869799 873873 911218 941094 953491 965874 1029558 1076894 1099098 1112202 1126853 1171566 1201151 1206777 1219218 1225917 1240533 1282281 1299606 1359358 1366827 1384578 1448811 1516207 1517802 1535898 1544337 1560258 1615341 1692262 1739598 1747746 1770769 1791881 1828827 1887523 1906982 1949409 2039037 2230709 2253706 2276703 2303847 2402302 2413554 2451834 2481066 2538393 2564562 2609397 2733654 2815813 2860473 2897622 3032414 3088674 3189263 3230682 3380559 3541538 3583762 3603453 3620331 3657654 3769129 3775046 3846843 3898818 4078074 4100481 4461418 4548621 4553406 4607694 4846023 5076786 5218794 5312307 5375643 5631626 5662569 5720946 5922917 6117111 6378526 6692127 6761118 7206906 7240662 7538258 7615179 7693686 8200962 8408057 8447439 8581419 9097242 9567789 9692046 10141677 10624614 10751286 10810359 11307387 11325138 11845834 12234222 12395383 13212661 13384254 13645863 15230358 15614963 15936921 16126929 16816114 16894878 16987707 17162838 17768751 19135578 19710691 20076381 20283354 21620718 22614774 24537799 24790766 25224171 25342317 26425322 27291726 28703367 31229926 31873842 32253858 33922161 33975414 35537502 37186149 39421382 39637983 40152762 41460419 46844889 49075598 50448342 50684634 53306253 57406734 59132073 67844322 73613397 74372298 75672513 79275966 82920838 92488627 93689778 106612506 109304741 111558447 118264146 118913949 124381257 140534667 147226794 151345026 171764593 177396219 184977254 218609482 220840191 223116894 237827898 248762514 277465881 281069334 327914223 343529186 354792438 373143771 441680382 515293779 554931762 655828446 746287542 832397643 983742669 1030587558 1202352151 1545881337 1664795286 1967485338 2404704302 3091762674 3607056453 7214112906 10821169359 21642338718
• Sum of all divisors σ(n): 68075017920
• Sum of proper divisors (its aliquot sum) s(n): 46432679202
• 21642338718 is an abundant number, because the sum of its proper divisors (46432679202) is greater than itself. Its abundance is 24790340484

Bases of 21642338718

• Binary: 10100001001111110111110000110011110₂
• Hexadecimal: 0x509FBE19E
• Base-36: 9XXAFFI

Squares and roots of 21642338718

• 21642338718 squared (21642338718²) is 468390825184641883524
• 21642338718 cubed (21642338718³) is 10137072891049544534755911482232
• The square root of 21642338718 is 147113.3532960213
• The cube root of 21642338718 is 2786.7717322023

Scales and comparisons

• 21,642,338,718 seconds is equal to 688 years, 8 weeks, 2 days, 45 minutes, 18 seconds.
• To count from 1 to 21,642,338,718 would take you about one thousand, three hundred seventy-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 21642338718 cubic inches would be around 232.2 feet tall.

Recreational maths with 21642338718

• 21642338718 backwards is 81783324612
• The number of decimal digits it has is: 11
• The sum of 21642338718's digits is 45
• More coming soon!