128306334720

Names of 128306334720

• Cardinal: 128306334720 can be written as One hundred twenty-eight billion, three hundred six million, three hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2830633472 × 10¹¹

Factors of 128306334720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 460

Divisors of 128306334720

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 53 60 64 80 96 106 120 128 159 160 192 212 240 256 265 318 320 384 397 424 480 512 530 636 640 768 794 795 848 960 1024 1060 1191 1272 1280 1536 1588 1590 1696 1920 1985 2120 2382 2544 2560 3072 3176 3180 3392 3840 3970 4240 4764 5088 5120 5955 6352 6360 6784 7680 7940 8480 9528 10176 11910 12704 12720 13568 15360 15880 16960 19056 20352 21041 23820 25408 25440 27136 31760 33920 38112 40704 42082 47640 50816 50880 54272 63123 63520 67840 76224 81408 84164 95280 101632 101760 105205 126246 127040 135680 152448 157609 162816 168328 190560 203264 203520 210410 252492 254080 271360 304896 315218 315615 336656 381120 406528 407040 420820 472827 504984 508160 609792 630436 631230 673312 762240 788045 814080 841640 945654 1009968 1016320 1219584 1260872 1262460 1346624 1524480 1576090 1683280 1891308 2019936 2032640 2364135 2521744 2524920 2693248 3048960 3152180 3366560 3782616 4039872 4728270 5043488 5049840 5386496 6097920 6304360 6733120 7565232 8079744 8353277 9456540 10086976 10099680 10772992 12608720 13466240 15130464 16159488 16706554 18913080 20173952 20199360 21545984 25059831 25217440 26932480 30260928 32318976 33413108 37826160 40347904 40398720 41766385 50119662 50434880 53864960 60521856 64637952 66826216 75652320 80695808 80797440 83532770 100239324 100869760 107729920 121043712 125299155 133652432 151304640 161391616 161594880 167065540 200478648 201739520 242087424 250598310 267304864 302609280 323189760 334131080 400957296 403479040 484174848 501196620 534609728 605218560 668262160 801914592 806958080 1002393240 1069219456 1210437120 1336524320 1603829184 2004786480 2138438912 2420874240 2673048640 3207658368 4009572960 4276877824 5346097280 6415316736 8019145920 8553755648 10692194560 12830633472 16038291840 21384389120 25661266944 32076583680 42768778240 64153167360 128306334720
• Sum of all divisors σ(n): 419178666384
• Sum of proper divisors (its aliquot sum) s(n): 290872331664
• 128306334720 is an abundant number, because the sum of its proper divisors (290872331664) is greater than itself. Its abundance is 162565996944

Bases of 128306334720

• Binary: 1110111011111101001110100110000000000₂
• Hexadecimal: 0x1DDFA74C00
• Base-36: 1MXYA1HC

Squares and roots of 128306334720

• 128306334720 squared (128306334720²) is 16462515529280677478400
• 128306334720 cubed (128306334720³) is 2112245027833084565371955970048000
• The square root of 128306334720 is 358198.7363461797
• The cube root of 128306334720 is 5043.7013878547

Scales and comparisons

• 128,306,334,720 seconds is equal to 4,079 years, 38 weeks, 5 days, 32 minutes.
• To count from 1 to 128,306,334,720 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 128306334720 cubic inches would be around 420.3 feet tall.

Recreational maths with 128306334720

• 128306334720 backwards is 027433603821
• The number of decimal digits it has is: 12
• The sum of 128306334720's digits is 39
• More coming soon!