640138113108

Names of 640138113108

• Cardinal: 640138113108 can be written as Six hundred forty billion, one hundred thirty-eight million, one hundred thirteen thousand, one hundred eight.

Scientific notation

• Scientific notation: 6.40138113108 × 10¹¹

Factors of 640138113108

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 366

Divisors of 640138113108

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 9 12 13 17 18 26 27 34 36 37 39 51 52 54 61 68 74 78 81 102 108 111 117 122 148 153 156 162 183 204 221 222 233 234 244 289 306 324 333 351 366 442 444 459 466 468 481 549 578 612 629 663 666 699 702 732 793 867 884 918 932 962 999 1037 1053 1098 1156 1258 1326 1332 1377 1398 1404 1443 1586 1647 1734 1836 1887 1924 1989 1998 2074 2097 2106 2196 2257 2379 2516 2601 2652 2754 2796 2886 2997 3029 3111 3172 3294 3468 3757 3774 3961 3978 3996 4148 4194 4212 4329 4514 4758 4941 5202 5508 5661 5772 5967 5994 6058 6222 6291 6588 6771 7137 7514 7548 7803 7922 7956 8177 8388 8621 8658 9028 9087 9333 9516 9882 10404 10693 11271 11322 11883 11934 11988 12116 12444 12582 12987 13481 13542 14213 14274 15028 15606 15844 16354 16983 17242 17316 17629 17901 18174 18666 18873 19764 20313 21386 21411 22542 22644 23409 23766 23868 24531 25164 25863 25974 26962 27084 27261 27999 28426 28548 29341 31212 32079 32708 33813 33966 34484 35258 35649 35802 36348 37332 37746 38369 38961 40443 40626 42639 42772 42822 45084 46818 47532 49062 50949 51493 51726 51948 52887 53924 54522 55998 56852 58682 60939 64158 64233 67337 67626 67932 70516 71298 71604 73593 75492 76738 77589 77922 80886 81252 81783 83997 85278 85644 88023 93636 96237 98124 101439 101898 102986 103452 105774 106947 109044 111996 112073 115107 117364 121329 121878 127917 128316 128466 134674 135252 139009 142596 146557 147186 153476 154479 155178 155844 158661 161772 163566 167994 170556 176046 182817 184769 192474 202011 202878 203796 205972 211548 213894 220779 224146 229177 230214 232767 241621 242658 243756 245349 255834 256932 264069 269348 278018 288711 293114 294372 304317 308958 310356 317322 320841 327132 335988 336219 345321 352092 363987 365634 369538 383751 384948 404022 405756 417027 427788 439671 441558 448292 458354 460428 463437 465534 475983 483242 485316 490698 498797 511668 525881 528138 554307 556036 577422 586228 606033 608634 617916 634644 641682 652273 662337 672438 687531 690642 698301 724863 727974 731268 739076 767502 792207 808044 834054 866133 875381 879342 883116 916708 926874 931068 951966 966484 981396 997594 1008657 1035963 1051762 1056276 1091961 1108614 1151253 1154844 1212066 1217268 1251081 1283364 1304546 1319013 1324674 1344876 1375062 1381284 1390311 1396602 1427949 1449726 1455948 1496391 1535004 1577643 1584414 1662921 1668108 1732266 1750762 1758684 1818099 1853748 1903932 1905241 1956819 1995188 2017314 2062593 2071926 2103524 2174589 2183922 2217228 2302506 2376621 2424132 2491469 2502162 2609092 2626143 2638026 2649348 2750124 2780622 2793204 2855898 2899452 2992782 3025971 3107889 3141073 3155286 3168828 3325842 3464532 3501524 3636198 3753243 3810482 3913638 3957039 4034628 4107557 4125186 4143852 4170933 4349178 4367844 4489173 4605012 4732929 4753242 4982938 4988763 5004324 5252286 5276052 5454297 5561244 5711796 5715723 5870457 5985564 6051942 6187779 6215778 6282146 6310572 6523767 6651684 6836453 7272396 7474407 7506486 7620964 7827276 7878429 7914078 8215114 8250372 8341866 8479549 8698356 8939977 8978346 9077913 9423219 9465858 9506484 9965876 9977526 10504572 10908594 11259729 11431446 11740914 11871117 12103884 12322671 12375558 12431556 12564292 13047534 13467519 13672906 14198787 14948814 14966289 15012972 15756858 15828156 16430228 16683732 16959098 17147169 17611371 17879954 17956692 18155826 18563337 18846438 18931716 19571301 19955052 20509359 21817188 22423221 22519458 22862892 23481828 23635287 23742234 24645342 24751116 25438647 26095068 26819931 26935038 27345812 28269657 28397574 29897628 29932578 31513716 32389097 33918196 34294338 35222742 35759908 36311652 36968013 37126674 37692876 39142602 40402557 41018718 42596361 44846442 45038916 47270574 47484468 49290684 50877294 51441507 52834113 53398241 53639862 53870076 56539314 56795148 59865156 61528077 64778194 67269663 68588676 70445484 70905861 73936026 74253348 76315941 78285204 80459793 80805114 82037436 84808971 85192722 89692884 94541148 97167291 101754588 102883014 105668226 106796482 107279724 110904039 113078628 116219701 123056154 129556388 134539326 141811722 147872052 151979609 152631882 154324521 160194723 160919586 161610228 169617942 170385444 184584231 194334582 201808989 205766028 211336452 213592964 221808078 228947823 232439402 241379379 246112308 254426913 269078652 283623444 291501873 303959218 305263764 308649042 320389446 321839172 332712117 339235884 348659103 369168462 388669164 403617978 443616156 455938827 457895646 464878804 480584169 482758758 508853826 553752693 583003746 607918436 617298084 640778892 665424234 686843469 697318206 724138137 738336924 807235956 874505619 911877654 915791292 961168338 965517516 1017707652 1045977309 1107505386 1166007492 1330848468 1367816481 1373686938 1394636412 1441752507 1448276274 1749011238 1823755308 1922336676 1975734917 2091954618 2215010772 2623516857 2735632962 2747373876 2883505014 2896552548 3137931927 3498022476 3951469834 4103449443 4183909236 4325257521 5247033714 5471265924 5767010028 5927204751 6275863854 7902939668 8206898886 8650515042 9413795781 10494067428 11854409502 12310348329 12551727708 16413797772 17301030084 17781614253 18827591562 23708819004 24620696658 35563228506 37655183124 49241393316 53344842759 71126457012 106689685518 160034528277 213379371036 320069056554 640138113108
• Sum of all divisors σ(n): 2006970389424
• Sum of proper divisors (its aliquot sum) s(n): 1366832276316
• 640138113108 is an abundant number, because the sum of its proper divisors (1366832276316) is greater than itself. Its abundance is 726694163208

Bases of 640138113108

• Binary: 1001010100001011001101000111000001010100₂
• Hexadecimal: 0x950B347054
• Base-36: 862PPD90

Squares and roots of 640138113108

• 640138113108 squared (640138113108²) is 409776803853470601419664
• 640138113108 cubed (640138113108³) is 262313750014187694109933659007355712
• The square root of 640138113108 is 800086.3160359637
• The cube root of 640138113108 is 8618.3586231885

Scales and comparisons

• 640,138,113,108 seconds is equal to 20,354 years, 21 weeks, 2 days, 22 hours, 31 minutes, 48 seconds.
• To count from 1 to 640,138,113,108 would take you about forty thousand, seven hundred 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 640138113108 cubic inches would be around 718.2 feet tall.

Recreational maths with 640138113108

• 640138113108 backwards is 801311831046
• 640138113108 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640138113108's digits is 36
• More coming soon!