7428188130631128

Names of 7428188130631128

• Cardinal: 7428188130631128 can be written as Seven quadrillion, four hundred twenty-eight trillion, one hundred eighty-eight billion, one hundred thirty million, six hundred thirty-one thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.428188130631128 × 10¹⁵

Factors of 7428188130631128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 19596

Divisors of 7428188130631128

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 53 54 56 63 72 81 84 106 108 126 159 162 168 189 212 216 243 252 318 324 371 378 424 477 486 504 567 636 648 729 742 756 954 972 1113 1134 1272 1431 1458 1484 1512 1701 1908 1944 2187 2226 2268 2862 2916 2968 3339 3402 3816 4293 4374 4452 4536 5103 5724 5832 6561 6678 6804 8586 8748 8904 10017 10206 11448 12879 13122 13356 13608 15309 17172 17496 19531 20034 20412 25758 26244 26712 30051 30618 34344 38637 39062 40068 40824 45927 51516 52488 58593 60102 61236 77274 78124 80136 90153 91854 103032 115911 117186 120204 122472 136717 154548 156248 175779 180306 183708 231822 234372 240408 270459 273434 309096 347733 351558 360612 367416 410151 463644 468744 527337 540918 546868 695466 703116 721224 811377 820302 927288 1035143 1054674 1081836 1093736 1230453 1390932 1406232 1582011 1622754 1640604 2070286 2109348 2163672 2434131 2460906 2781864 3105429 3164022 3245508 3281208 3691359 4140572 4218696 4746033 4868262 4921812 6210858 6328044 6491016 7246001 7382718 8281144 9316287 9492066 9736524 9843624 11074077 12421716 12656088 14238099 14492002 14765436 18632574 18984132 19473048 21738003 22148154 24843432 27948861 28476198 28984004 29530872 33222231 37265148 37968264 42714297 43476006 44296308 55897722 56952396 57968008 65214009 66444462 74530296 83846583 85428594 86952012 88592616 99666693 111795444 113904792 128142891 130428018 132888924 167693166 170857188 173904024 195642027 199333386 223590888 251539749 256285782 260856036 265777848 299000079 335386332 341714376 381459961 391284054 398666772 503079498 512571564 521712072 586926081 598000158 670772664 754619247 762919922 782568108 797333544 897000237 1006158996 1025143128 1144379883 1173852162 1196000316 1509238494 1525839844 1565136216 1760778243 1794000474 2012317992 2263857741 2288759766 2347704324 2392000632 2670219727 3018476988 3051679688 3433139649 3521556486 3588000948 4527715482 4577519532 4695408648 5282334729 5340439454 6036953976 6791573223 6866279298 7043112972 7176001896 8010659181 9055430964 9155039064 10299418947 10564669458 10680878908 13583146446 13732558596 14086225944 15847004187 16021318362 18110861928 20217377933 20598837894 21129338916 21361757816 24031977543 27166292892 27465117192 30898256841 31694008374 32042636724 40434755866 41197675788 42258677832 47541012561 48063955086 54332585784 60652133799 61796513682 63388016748 64085273448 72095932629 80869511732 82395351576 92694770523 95082025122 96127910172 121304267598 123593027364 126776033496 141521645531 144191865258 161739023464 181956401397 185389541046 190164050244 192255820344 216287797887 242608535196 247186054728 278084311569 283043291062 288383730516 363912802794 370779082092 380328100488 424564936593 432575595774 485217070392 545869204191 556168623138 566086582124 576767461032 648863393661 727825605588 741558164184 834252934707 849129873186 865151191548 1091738408382 1112337246276 1132173164248 1273694809779 1297726787322 1455651211176 1637607612573 1668505869414 1698259746372 1730302383096 1946590180983 2183476816764 2224674492552 2502758804121 2547389619558 2595453574644 3275215225146 3337011738828 3396519492744 3821084429337 3893180361966 4366953633528 4912822837719 5005517608242 5094779239116 5190907149288 5839770542949 6550430450292 6674023477656 7642168858674 7786360723932 9825645675438 10011035216484 10189558478232 11463253288011 11679541085898 13100860900584 14738468513157 15284337717348 15572721447864 17519311628847 19651291350876 20022070432968 22926506576022 23359082171796 29476937026314 30568675434696 34389759864033 35038623257694 39302582701752 44215405539471 45853013152044 46718164343592 58953874052628 68779519728066 70077246515388 88430811078942 91706026304088 103169279592099 117907748105256 132646216618413 137559039456132 140154493030776 176861622157884 206338559184198 265292433236826 275118078912264 309507838776297 353723244315768 412677118368396 530584866473652 619015677552594 825354236736792 928523516328891 1061169732947304 1238031355105188 1857047032657782 2476062710210376 3714094065315564 7428188130631128
• Sum of all divisors σ(n): 24326825195172240
• Sum of proper divisors (its aliquot sum) s(n): 16898637064541112
• 7428188130631128 is an abundant number, because the sum of its proper divisors (16898637064541112) is greater than itself. Its abundance is 9470448933909984

Bases of 7428188130631128

• Binary: 11010011000111110010111010010110110011101110111011000₂
• Hexadecimal: 0x1A63E5D2D9DDD8
• Base-36: 2152MIMUDI0

Squares and roots of 7428188130631128

• 7428188130631128 squared (7428188130631128²) is 55177978904049171936619602552384
• 7428188130631128 cubed (7428188130631128³) is 409872407967272835385681589790951388521601009152
• The square root of 7428188130631128 is 86186937.1229255831
• The cube root of 7428188130631128 is 195116.6352910509

Scales and comparisons

• 7,428,188,130,631,128 seconds is equal to 236,193,405 years, 34 weeks, 2 days, 1 hour, 58 minutes, 48 seconds.
• To count from 1 to 7,428,188,130,631,128 would take you about seven hundred eight million, five hundred eighty thousand, two hundred sixteen 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 7428188130631128 cubic inches would be around 16259.7 feet tall.

Recreational maths with 7428188130631128

• 7428188130631128 backwards is 8211360318818247
• 7428188130631128 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 7428188130631128's digits is 63
• More coming soon!