128641966080

Names of 128641966080

• Cardinal: 128641966080 can be written as One hundred twenty-eight billion, six hundred forty-one million, nine hundred sixty-six thousand and eighty.

Scientific notation

• Scientific notation: 1.2864196608 × 10¹¹

Factors of 128641966080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 2012

Divisors of 128641966080

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 128 138 160 184 192 230 240 256 276 320 345 368 384 460 480 512 529 552 640 690 736 768 920 960 1024 1058 1104 1280 1380 1472 1536 1587 1840 1920 1979 2048 2116 2208 2560 2645 2760 2944 3072 3174 3680 3840 3958 4096 4232 4416 5120 5290 5520 5888 5937 6144 6348 7360 7680 7916 7935 8192 8464 8832 9895 10240 10580 11040 11776 11874 12288 12696 14720 15360 15832 15870 16928 17664 19790 20480 21160 22080 23552 23748 24576 25392 29440 29685 30720 31664 31740 33856 35328 39580 40960 42320 44160 45517 47104 47496 50784 58880 59370 61440 63328 63480 67712 70656 79160 84640 88320 91034 94208 94992 101568 117760 118740 122880 126656 126960 135424 136551 141312 158320 169280 176640 182068 188416 189984 203136 227585 235520 237480 253312 253920 270848 273102 282624 316640 338560 353280 364136 379968 406272 455170 471040 474960 506624 507840 541696 546204 565248 633280 677120 682755 706560 728272 759936 812544 910340 942080 949920 1013248 1015680 1046891 1083392 1092408 1266560 1354240 1365510 1413120 1456544 1519872 1625088 1820680 1899840 2026496 2031360 2093782 2166784 2184816 2533120 2708480 2731020 2826240 2913088 3039744 3140673 3250176 3641360 3799680 4052992 4062720 4187564 4333568 4369632 5066240 5234455 5416960 5462040 5826176 6079488 6281346 6500352 7282720 7599360 8105984 8125440 8375128 8739264 10132480 10468910 10833920 10924080 11652352 12158976 12562692 13000704 14565440 15198720 15703365 16211968 16250880 16750256 17478528 20264960 20937820 21667840 21848160 23304704 24317952 25125384 29130880 30397440 31406730 32501760 33500512 34957056 40529920 41875640 43696320 46609408 48635904 50250768 58261760 60794880 62813460 65003520 67001024 69914112 81059840 83751280 87392640 93218816 100501536 116523520 121589760 125626920 134002048 139828224 167502560 174785280 186437632 201003072 233047040 243179520 251253840 268004096 279656448 335005120 349570560 372875264 402006144 466094080 502507680 536008192 559312896 670010240 699141120 804012288 932188160 1005015360 1072016384 1118625792 1340020480 1398282240 1608024576 1864376320 2010030720 2144032768 2680040960 2796564480 3216049152 4020061440 4288065536 5360081920 5593128960 6432098304 8040122880 8576131072 10720163840 12864196608 16080245760 21440327680 25728393216 32160491520 42880655360 64320983040 128641966080
• Sum of all divisors σ(n): 430521648480
• Sum of proper divisors (its aliquot sum) s(n): 301879682400
• 128641966080 is an abundant number, because the sum of its proper divisors (301879682400) is greater than itself. Its abundance is 173237716320

Bases of 128641966080

• Binary: 1110111110011101010001010000000000000₂
• Hexadecimal: 0x1DF3A8A000
• Base-36: 1N3I3SAO

Squares and roots of 128641966080

• 128641966080 squared (128641966080²) is 16548755436927870566400
• 128641966080 cubed (128641966080³) is 2128864435583490704809459187712000
• The square root of 128641966080 is 358666.9291696685
• The cube root of 128641966080 is 5048.0954302783

Scales and comparisons

• 128,641,966,080 seconds is equal to 4,090 years, 21 weeks, 4 days, 15 hours, 28 minutes.
• To count from 1 to 128,641,966,080 would take you about eight thousand, one hundred eighty 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 128641966080 cubic inches would be around 420.7 feet tall.

Recreational maths with 128641966080

• 128641966080 backwards is 080669146821
• The number of decimal digits it has is: 12
• The sum of 128641966080's digits is 51
• More coming soon!