128807850080

Names of 128807850080

• Cardinal: 128807850080 can be written as One hundred twenty-eight billion, eight hundred seven million, eight hundred fifty thousand and eighty.

Scientific notation

• Scientific notation: 1.2880785008 × 10¹¹

Factors of 128807850080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1894

Divisors of 128807850080

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 41 52 56 65 70 80 82 91 104 112 127 130 140 160 164 182 205 208 224 254 260 280 287 328 364 410 416 455 508 520 533 560 574 635 656 728 820 889 910 1016 1040 1066 1120 1148 1270 1312 1435 1456 1640 1651 1699 1778 1820 2032 2080 2132 2296 2540 2665 2870 2912 3280 3302 3398 3556 3640 3731 4064 4264 4445 4592 5080 5207 5330 5740 6560 6604 6796 7112 7280 7462 8255 8495 8528 8890 9184 10160 10414 10660 11480 11557 11893 13208 13592 14224 14560 14924 16510 16990 17056 17780 18655 20320 20828 21320 22087 22960 23114 23786 26035 26416 27184 28448 29848 33020 33980 35560 36449 37310 41656 42640 44174 45920 46228 47572 52070 52832 54368 57785 59465 59696 66040 67691 67960 69659 71120 72898 74620 83312 85280 88348 92456 95144 104140 110435 115570 118930 119392 132080 135382 135920 139318 142240 145796 149240 154609 166624 176696 182245 184912 190288 208280 215773 220870 231140 237860 264160 270764 271840 278636 291592 298480 309218 338455 348295 353392 364490 369824 380576 416560 431546 441740 462280 473837 475720 487613 541528 557272 583184 596960 618436 676910 696590 706784 728980 773045 833120 863092 883480 905567 924560 947674 951440 975226 1078865 1083056 1114544 1166368 1236872 1353820 1393180 1457960 1510411 1546090 1726184 1766960 1811134 1849120 1895348 1902880 1950452 2157730 2166112 2229088 2369185 2438065 2473744 2707640 2786360 2805049 2915920 3020822 3092180 3452368 3533920 3622268 3790696 3900904 4315460 4527835 4738370 4876130 4947488 5415280 5572720 5610098 5831840 6041644 6184360 6338969 6904736 7244536 7552055 7581392 7801808 8630920 8846693 9055670 9476740 9752260 10830560 11145440 11220196 12083288 12368720 12677938 14025245 14489072 15104110 15162784 15603616 17261840 17693386 18111340 18953480 19504520 19635343 22440392 24166576 24737440 25355876 28050490 28978144 30208220 31694845 34523680 35386772 36222680 37906960 39009040 39270686 44233465 44880784 48333152 50711752 56100980 60416440 61926851 63389690 70773544 72445360 75813920 78018080 78541372 88466930 89761568 98176715 101423504 112201960 115007009 120832880 123853702 126779380 141547088 144890720 157082744 176933860 196353430 202847008 224403920 230014018 241665760 247707404 253558760 283094176 309634255 314165488 353867720 392706860 448807840 460028036 495414808 507117520 575035045 619268510 628330976 707735440 785413720 805049063 920056072 990829616 1014235040 1150070090 1238537020 1415470880 1570827440 1610098126 1840112144 1981659232 2300140180 2477074040 3141654880 3220196252 3680224288 4025245315 4600280360 4954148080 6440392504 8050490630 9200560720 9908296160 12880785008 16100981260 18401121440 25761570016 32201962520 64403925040 128807850080
• Sum of all divisors σ(n): 386917171200
• Sum of proper divisors (its aliquot sum) s(n): 258109321120
• 128807850080 is an abundant number, because the sum of its proper divisors (258109321120) is greater than itself. Its abundance is 129301471040

Bases of 128807850080

• Binary: 1110111111101100010111101000001100000₂
• Hexadecimal: 0x1DFD8BD060
• Base-36: 1N68V97K

Squares and roots of 128807850080

• 128807850080 squared (128807850080²) is 16591462242231756006400
• 128807850080 cubed (128807850080³) is 2137110581105368672287510720512000
• The square root of 128807850080 is 358898.1054282677
• The cube root of 128807850080 is 5050.2643403765

Scales and comparisons

• 128,807,850,080 seconds is equal to 4,095 years, 35 weeks, 6 days, 14 hours, 21 minutes, 20 seconds.
• To count from 1 to 128,807,850,080 would take you about eight thousand, one hundred ninety-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 128807850080 cubic inches would be around 420.9 feet tall.

Recreational maths with 128807850080

• 128807850080 backwards is 080058708821
• The number of decimal digits it has is: 12
• The sum of 128807850080's digits is 47
• More coming soon!