128013107940

Names of 128013107940

• Cardinal: 128013107940 can be written as One hundred twenty-eight billion, thirteen million, one hundred seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.2801310794 × 10¹¹

Factors of 128013107940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 690

Divisors of 128013107940

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 61 68 81 85 90 102 108 122 135 153 162 170 180 181 183 204 244 255 270 305 306 324 340 362 366 405 421 459 510 540 543 549 610 612 724 732 765 810 842 905 915 918 1020 1037 1086 1098 1220 1263 1377 1530 1620 1629 1647 1684 1810 1830 1836 2074 2105 2172 2196 2295 2526 2715 2745 2754 3060 3077 3111 3258 3294 3620 3660 3789 4148 4210 4590 4887 4941 5052 5185 5430 5490 5508 6154 6222 6315 6516 6588 6885 7157 7578 8145 8235 8420 9180 9231 9333 9774 9882 10370 10860 10980 11041 11367 12308 12444 12630 13770 14314 14661 15156 15385 15555 16290 16470 18462 18666 18945 19548 19764 20740 21471 22082 22734 24435 24705 25260 25681 27540 27693 27999 28628 29322 30770 31110 32580 32940 33123 34101 35785 36924 37332 37890 42942 44164 45468 46155 46665 48870 49410 51362 55205 55386 55998 56835 58644 61540 62220 64413 66246 68202 71570 73305 75780 76201 77043 83079 83997 85884 92310 93330 97740 98820 99369 102724 107355 110410 110772 111996 113670 128405 128826 132492 136404 138465 139995 143140 146610 152402 154086 165615 166158 167994 170505 184620 186660 187697 193239 198738 214710 220820 227340 228603 231129 249237 256810 257652 276930 279990 293220 298107 304804 308172 322065 331230 332316 335988 341010 375394 381005 385215 386478 397476 415395 419985 429420 436577 457206 462258 496845 498474 513620 553860 559980 563091 579717 596214 644130 662460 682020 685809 693387 750788 762010 770430 772956 830790 839970 873154 894321 914412 924516 938485 966195 993690 996948 1126182 1143015 1155645 1159434 1192428 1246185 1288260 1295417 1309731 1371618 1386774 1490535 1524020 1540860 1661580 1679940 1689273 1746308 1788642 1876970 1932390 1987380 2057427 2080161 2182885 2252364 2286030 2311290 2318868 2492370 2590834 2619462 2743236 2773548 2815455 2898585 2981070 3378546 3429045 3466935 3577284 3753940 3864780 3886251 3929193 4114854 4160322 4365770 4471605 4572060 4622580 4648261 4984740 5067819 5181668 5238924 5630910 5797170 5962140 6172281 6477085 6548655 6757092 6858090 6933870 7772502 7858386 8229708 8320644 8446365 8731540 8943210 9296522 10135638 10287135 10400805 11261820 11594340 11658753 11787579 12344562 12954170 13097310 13716180 13867740 13944783 15203457 15545004 15716772 16892730 17886420 18593044 19431255 19645965 20271276 20574270 20801610 23241305 23317506 23575158 24689124 25339095 25908340 26194620 27889566 30406914 30861405 33785460 34976259 35362737 38862510 39291930 41148540 41603220 41834349 46482610 46635012 47150316 50678190 55779132 58293765 58937895 60813828 61722810 69723915 69952518 70725474 76017285 77725020 78583860 79020437 83668698 92965220 101356380 104928777 116587530 117875790 123445620 125503047 139447830 139905036 141450948 152034570 158040874 167337396 174881295 176813685 209171745 209857554 233175060 235751580 237061311 251006094 278895660 304069140 316081748 349762590 353627370 376509141 395102185 418343490 419715108 474122622 502012188 524643885 627515235 699525180 707254740 711183933 753018282 790204370 836686980 948245244 1049287770 1185306555 1255030470 1422367866 1506036564 1580408740 1882545705 2098575540 2133551799 2370613110 2510060940 2844735732 3555919665 3765091410 4267103598 4741226220 6400655397 7111839330 7530182820 8534207196 10667758995 12801310794 14223678660 21335517990 25602621588 32003276985 42671035980 64006553970 128013107940
• Sum of all divisors σ(n): 435594807648
• Sum of proper divisors (its aliquot sum) s(n): 307581699708
• 128013107940 is an abundant number, because the sum of its proper divisors (307581699708) is greater than itself. Its abundance is 179568591768

Bases of 128013107940

• Binary: 1110111001110001011010000001011100100₂
• Hexadecimal: 0x1DCE2D02E4
• Base-36: 1MT3P690

Squares and roots of 128013107940

• 128013107940 squared (128013107940²) is 16387355804458091043600
• 128013107940 cubed (128013107940³) is 2097796347447279141970714046184000
• The square root of 128013107940 is 357789.1948340531
• The cube root of 128013107940 is 5039.8562246401

Scales and comparisons

• 128,013,107,940 seconds is equal to 4,070 years, 21 weeks, 6 days, 4 hours, 39 minutes.
• To count from 1 to 128,013,107,940 would take you about eight thousand, one hundred forty 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 128013107940 cubic inches would be around 420 feet tall.

Recreational maths with 128013107940

• 128013107940 backwards is 049701310821
• 128013107940 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128013107940's digits is 36
• More coming soon!