128313528840

Names of 128313528840

• Cardinal: 128313528840 can be written as One hundred twenty-eight billion, three hundred thirteen million, five hundred twenty-eight thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2831352884 × 10¹¹

Factors of 128313528840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 246021

Divisors of 128313528840

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 23 24 27 28 30 35 36 40 42 45 46 54 56 60 63 69 70 72 81 84 90 92 105 108 115 120 126 135 138 140 161 162 168 180 184 189 207 210 216 230 252 270 276 280 315 322 324 345 360 378 405 414 420 460 483 504 540 552 567 621 630 644 648 690 756 805 810 828 840 920 945 966 1035 1080 1134 1242 1260 1288 1380 1449 1512 1610 1620 1656 1863 1890 1932 2070 2268 2415 2484 2520 2760 2835 2898 3105 3220 3240 3726 3780 3864 4140 4347 4536 4830 4968 5670 5796 6210 6440 7245 7452 7560 8280 8694 9315 9660 11340 11592 12420 13041 14490 14904 17388 18630 19320 21735 22680 24840 26082 28980 34776 37260 43470 52164 57960 65205 74520 86940 104328 130410 173880 245981 260820 491962 521640 737943 983924 1229905 1475886 1721867 1967848 2213829 2459810 2951772 3443734 3689715 4427658 4919620 5165601 5657563 5903544 6641487 6887468 7379430 8609335 8855316 9839240 10331202 11069145 11315126 13282974 13774936 14758860 15496803 16972689 17218670 17710632 19924461 20662404 22138290 22630252 25828005 26565948 28287815 29517720 30993606 33207435 33945378 34437340 39602941 39848922 41324808 44276580 45260504 46490409 50918067 51656010 53131896 56575630 61987212 66414870 67890756 68874680 77484015 79205882 79697844 84863445 88553160 92980818 99622305 101836134 103312020 113151260 118808823 123974424 132829740 135781512 139471227 152754201 154968030 158411764 159395688 169726890 185961636 198014705 199244610 203672268 206624040 226302520 232452045 237617646 254590335 265659480 278942454 305508402 309936060 316823528 339453780 356426469 371923272 396029410 398489220 407344536 458262603 464904090 475235292 509180670 557884908 594044115 611016804 619872120 678907560 697356135 712852938 763771005 792058820 796978440 916525206 929808180 950470584 1018361340 1069279407 1115769816 1188088230 1222033608 1394712270 1425705876 1527542010 1584117640 1782132345 1833050412 1859616360 2036722680 2138558814 2291313015 2376176460 2789424540 2851411752 3055084020 3207838221 3564264690 3666100824 4277117628 4582626030 4752352920 5346397035 5578849080 6110168040 6415676442 7128529380 8554235256 9165252060 10692794070 12831352884 14257058760 16039191105 18330504120 21385588140 25662705768 32078382210 42771176280 64156764420 128313528840
• Sum of all divisors σ(n): 514318844160
• Sum of proper divisors (its aliquot sum) s(n): 386005315320
• 128313528840 is an abundant number, because the sum of its proper divisors (386005315320) is greater than itself. Its abundance is 257691786480

Bases of 128313528840

• Binary: 1110111100000000101010001001000001000₂
• Hexadecimal: 0x1DE0151208
• Base-36: 1MY2K8I0

Squares and roots of 128313528840

• 128313528840 squared (128313528840²) is 16464361683373511745600
• 128313528840 cubed (128313528840³) is 2112600347691738047861124343104000
• The square root of 128313528840 is 358208.7782843965
• The cube root of 128313528840 is 5043.7956526595

Scales and comparisons

• 128,313,528,840 seconds is equal to 4,079 years, 50 weeks, 4 days, 6 hours, 54 minutes.
• To count from 1 to 128,313,528,840 would take you about eight thousand, one hundred fifty-nine 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 128313528840 cubic inches would be around 420.3 feet tall.

Recreational maths with 128313528840

• 128313528840 backwards is 048825313821
• 128313528840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128313528840's digits is 45
• More coming soon!