128372514816

Names of 128372514816

• Cardinal: 128372514816 can be written as One hundred twenty-eight billion, three hundred seventy-two million, five hundred fourteen thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.28372514816 × 10¹¹

Factors of 128372514816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1027

Divisors of 128372514816

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 61 64 78 84 91 96 104 112 122 128 156 168 182 183 192 208 224 244 256 273 312 336 364 366 384 416 427 448 488 512 546 624 672 728 732 768 793 832 854 896 941 976 1024 1092 1248 1281 1344 1456 1464 1536 1586 1664 1708 1792 1882 1952 2048 2184 2379 2496 2562 2688 2823 2912 2928 3072 3172 3328 3416 3584 3764 3904 4096 4368 4758 4992 5124 5376 5551 5646 5824 5856 6144 6344 6587 6656 6832 7168 7528 7808 8192 8736 9516 9984 10248 10752 11102 11292 11648 11712 12233 12288 12688 13174 13312 13664 14336 15056 15616 16653 17472 19032 19761 19968 20496 21504 22204 22584 23296 23424 24466 24576 25376 26348 26624 27328 28672 30112 31232 33306 34944 36699 38064 39522 39936 40992 43008 44408 45168 46592 46848 48932 50752 52696 53248 54656 57344 57401 60224 62464 66612 69888 73398 76128 79044 79872 81984 85631 86016 88816 90336 93184 93696 97864 101504 105392 106496 109312 114802 120448 124928 133224 139776 146796 152256 158088 159744 163968 171262 172032 172203 177632 180672 186368 187392 195728 203008 210784 218624 229604 240896 249856 256893 266448 279552 293592 304512 316176 319488 327936 342524 344406 355264 361344 372736 374784 391456 401807 406016 421568 437248 459208 481792 499712 513786 532896 559104 587184 609024 632352 655872 685048 688812 710528 722688 745472 746213 749568 782912 803614 812032 843136 874496 918416 963584 1027572 1065792 1118208 1174368 1205421 1218048 1264704 1311744 1370096 1377624 1421056 1445376 1492426 1499136 1565824 1607228 1624064 1686272 1748992 1836832 1927168 2055144 2131584 2236416 2238639 2348736 2410842 2436096 2529408 2623488 2740192 2755248 2842112 2890752 2984852 3131648 3214456 3248128 3372544 3497984 3673664 3854336 4110288 4263168 4477278 4697472 4821684 4872192 5058816 5223491 5246976 5480384 5510496 5684224 5781504 5969704 6263296 6428912 6496256 6745088 7347328 7708672 8220576 8526336 8954556 9394944 9643368 9744384 10117632 10446982 10493952 10960768 11020992 11368448 11563008 11939408 12526592 12857824 13490176 14694656 15670473 16441152 17052672 17909112 18789888 19286736 19488768 20235264 20893964 21921536 22041984 22736896 23126016 23878816 25053184 25715648 26980352 29389312 31340946 32882304 34105344 35818224 37579776 38573472 40470528 41787928 43843072 44083968 45473792 47757632 50106368 51431296 53960704 58778624 62681892 65764608 68210688 71636448 75159552 77146944 80941056 83575856 87686144 88167936 95515264 100212736 102862592 117557248 125363784 131529216 136421376 143272896 150319104 154293888 161882112 167151712 175372288 176335872 191030528 205725184 235114496 250727568 263058432 286545792 300638208 308587776 334303424 350744576 352671744 382061056 411450368 470228992 501455136 526116864 573091584 617175552 668606848 701489152 705343488 764122112 822900736 1002910272 1052233728 1146183168 1234351104 1337213696 1410686976 1528244224 1645801472 2005820544 2104467456 2292366336 2468702208 2674427392 3056488448 3291602944 4011641088 4584732672 4937404416 5348854784 6112976896 8023282176 9169465344 9874808832 10697709568 16046564352 18338930688 21395419136 32093128704 42790838272 64186257408 128372514816
• Sum of all divisors σ(n): 428661063936
• Sum of proper divisors (its aliquot sum) s(n): 300288549120
• 128372514816 is an abundant number, because the sum of its proper divisors (300288549120) is greater than itself. Its abundance is 171916034304

Bases of 128372514816

• Binary: 1110111100011100110010010000000000000₂
• Hexadecimal: 0x1DE3992000
• Base-36: 1MZ1OIDC

Squares and roots of 128372514816

• 128372514816 squared (128372514816²) is 16479502560184139513856
• 128372514816 cubed (128372514816³) is 2115515186567548381430690397290496
• The square root of 128372514816 is 358291.1034563935
• The cube root of 128372514816 is 5044.5684151123

Scales and comparisons

• 128,372,514,816 seconds is equal to 4,081 years, 44 weeks, 23 hours, 53 minutes, 36 seconds.
• To count from 1 to 128,372,514,816 would take you about eight thousand, one hundred sixty-three 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 128372514816 cubic inches would be around 420.4 feet tall.

Recreational maths with 128372514816

• 128372514816 backwards is 618415273821
• 128372514816 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128372514816's digits is 48
• More coming soon!