20938420620

Names of 20938420620

• Cardinal: 20938420620 can be written as Twenty billion, nine hundred thirty-eight million, four hundred twenty thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.093842062 × 10¹⁰

Factors of 20938420620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 113

Divisors of 20938420620

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 37 39 45 52 53 54 60 65 74 78 81 90 106 108 111 117 130 135 148 156 159 162 169 180 185 195 212 222 234 243 260 265 270 318 324 333 338 351 370 390 405 444 468 477 481 486 507 530 540 555 585 636 666 676 689 702 740 780 795 810 845 954 962 972 999 1014 1053 1060 1110 1170 1215 1332 1378 1404 1431 1443 1521 1590 1620 1665 1690 1755 1908 1924 1961 1998 2028 2067 2106 2197 2220 2340 2385 2405 2430 2535 2756 2862 2886 2997 3042 3159 3180 3330 3380 3445 3510 3922 3996 4134 4212 4293 4329 4394 4563 4770 4810 4860 4995 5070 5265 5724 5772 5883 5994 6084 6201 6253 6318 6591 6660 6890 7020 7155 7215 7605 7844 8268 8586 8658 8788 8957 8991 9126 9540 9620 9805 9990 10140 10335 10530 10985 11766 11988 12402 12506 12636 12879 12987 13182 13689 13780 14310 14430 14985 15210 15795 17172 17316 17649 17914 17982 18252 18603 18759 19610 19773 19980 20670 21060 21465 21645 21970 22815 23532 24804 25012 25493 25758 25974 26364 26871 27378 28620 28860 29415 29970 30420 31005 31265 31590 32955 35298 35828 35964 37206 37518 38961 39220 39546 41067 41340 42930 43290 43940 44785 44955 45630 50986 51516 51948 52947 53742 54756 55809 56277 58830 59319 59940 62010 62530 63180 64395 64935 65910 68445 70596 74412 75036 76479 77922 79092 80613 81289 82134 85860 86580 88245 89570 89910 91260 93015 93795 98865 101972 105894 107484 111618 112554 116441 116883 117660 118638 124020 125060 127465 128790 129870 131820 134355 136890 152958 155844 158841 161226 162578 164268 167427 168831 176490 177957 179140 179820 186030 187590 194805 197730 205335 211788 223236 225108 229437 232882 233766 237276 241839 243867 254930 257580 259740 264735 268710 273780 279045 281385 296595 305916 317682 322452 325156 331409 334854 337662 349323 352980 355914 372060 375180 382395 389610 395460 403065 406445 410670 458874 465764 467532 476523 483678 487734 506493 509860 529470 533871 537420 558090 562770 582205 584415 593190 635364 662818 669708 675324 688311 698646 711828 725517 731601 764790 779220 794205 806130 812890 821340 837135 844155 889785 917748 953046 967356 975468 994227 1012986 1047969 1058940 1067742 1116180 1125540 1147185 1164410 1168830 1186380 1209195 1219335 1325636 1376622 1397292 1451034 1463202 1519479 1529580 1588410 1612260 1625780 1657045 1674270 1688310 1746615 1779570 1906092 1988454 2025972 2064933 2095938 2135484 2176551 2194803 2294370 2328820 2337660 2382615 2418390 2438670 2532465 2669355 2753244 2902068 2926404 2982681 3038958 3143907 3176820 3314090 3348540 3376620 3441555 3493230 3559140 3627585 3658005 3976908 4129866 4191876 4308317 4353102 4389606 4588740 4765230 4836780 4877340 4971135 5064930 5239845 5338710 5965362 6077916 6194799 6287814 6584409 6628180 6883110 6986460 7255170 7316010 7597395 8259732 8616634 8706204 8779212 8948043 9431721 9530460 9942270 10129860 10324665 10479690 10677420 10882755 10974015 11930724 12389598 12575628 12924951 13168818 13766220 14510340 14632020 14913405 15194790 15719535 17233268 17896086 18863442 19753227 19884540 20649330 20959380 21541585 21765510 21948030 24779196 25849902 26337636 26844129 28295163 29826810 30389580 30973995 31439070 32922045 35792172 37726884 38774853 39506454 41298660 43083170 43531020 43896060 44740215 47158605 51699804 53688258 56590326 59653620 61947990 62878140 64624755 65844090 77549706 79012908 80532387 86166340 89480430 94317210 98766135 107376516 113180652 116324559 123895980 129249510 131688180 134220645 141475815 155099412 161064774 178960860 188634420 193874265 197532270 232649118 258499020 268441290 282951630 322129548 348973677 387748530 395064540 402661935 465298236 536882580 565903260 581622795 697947354 775497060 805323870 1046921031 1163245590 1395894708 1610647740 1744868385 2093842062 2326491180 3489736770 4187684124 5234605155 6979473540 10469210310 20938420620
• Sum of all divisors σ(n): 74662922880
• Sum of proper divisors (its aliquot sum) s(n): 53724502260
• 20938420620 is an abundant number, because the sum of its proper divisors (53724502260) is greater than itself. Its abundance is 32786081640

Bases of 20938420620

• Binary: 10011100000000001101111000110001100₂
• Hexadecimal: 0x4E006F18C
• Base-36: 9MA70R0

Squares and roots of 20938420620

• 20938420620 squared (20938420620²) is 438417458060041184400
• 20938420620 cubed (20938420620³) is 9179769144012351533490182328000
• The square root of 20938420620 is 144701.1424281093
• The cube root of 20938420620 is 2756.2248244265

Scales and comparisons

• 20,938,420,620 seconds is equal to 665 years, 40 weeks, 2 days, 19 hours, 57 minutes.
• To count from 1 to 20,938,420,620 would take you about one thousand, three hundred thirty-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 20938420620 cubic inches would be around 229.7 feet tall.

Recreational maths with 20938420620

• 20938420620 backwards is 02602483902
• 20938420620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20938420620's digits is 36
• More coming soon!