128242136320

Names of 128242136320

• Cardinal: 128242136320 can be written as One hundred twenty-eight billion, two hundred forty-two million, one hundred thirty-six thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.2824213632 × 10¹¹

Factors of 128242136320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1157

Divisors of 128242136320

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 89 128 160 178 256 320 356 445 640 712 890 1061 1280 1424 1780 2122 2848 3560 4244 5305 5696 7120 8488 10610 11392 14240 16976 21220 22784 28480 33952 42440 56960 67904 84880 94429 113920 135808 169760 188858 271616 339520 377716 472145 679040 755432 944290 1125721 1358080 1510864 1888580 2251442 3021728 3777160 4502884 5628605 6043456 7554320 9005768 11257210 12086912 15108640 18011536 22514420 24173824 30217280 36023072 45028840 60434560 72046144 90057680 100189169 120869120 144092288 180115360 200378338 288184576 360230720 400756676 500945845 720461440 801513352 1001891690 1440922880 1603026704 2003783380 3206053408 4007566760 6412106816 8015133520 12824213632 16030267040 25648427264 32060534080 64121068160 128242136320
• Sum of all divisors σ(n): 310924501020
• Sum of proper divisors (its aliquot sum) s(n): 182682364700
• 128242136320 is an abundant number, because the sum of its proper divisors (182682364700) is greater than itself. Its abundance is 54440228380

Bases of 128242136320

• Binary: 1110111011011110100111011010100000000₂
• Hexadecimal: 0x1DDBD3B500
• Base-36: 1MWW21OG

Squares and roots of 128242136320

• 128242136320 squared (128242136320²) is 16446045527917463142400
• 128242136320 cubed (128242136320³) is 2109076012516117674016236371968000
• The square root of 128242136320 is 358109.1123107593
• The cube root of 128242136320 is 5042.8600379211

Scales and comparisons

• 128,242,136,320 seconds is equal to 4,077 years, 36 weeks, 3 days, 23 hours, 38 minutes, 40 seconds.
• To count from 1 to 128,242,136,320 would take you about eight thousand, one hundred fifty-five 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 128242136320 cubic inches would be around 420.2 feet tall.

Recreational maths with 128242136320

• 128242136320 backwards is 023631242821
• The number of decimal digits it has is: 12
• The sum of 128242136320's digits is 34
• More coming soon!