72076640640

Names of 72076640640

• Cardinal: 72076640640 can be written as Seventy-two billion, seventy-six million, six hundred forty thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.207664064 × 10¹⁰

Factors of 72076640640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13468

Divisors of 72076640640

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 3947 7894 9511 11841 15788 19022 19735 23682 28533 31576 38044 39470 47364 47555 57066 59205 63152 76088 78940 94728 95110 114132 118410 126304 142665 152176 157880 189456 190220 228264 236820 252608 285330 304352 315760 378912 380440 456528 473640 505216 570660 608704 631520 757824 760880 913056 947280 1141320 1217408 1263040 1515648 1521760 1826112 1894560 2282640 2526080 3043520 3652224 3789120 4565280 6087040 7578240 9130560 18261120 37539917 75079834 112619751 150159668 187699585 225239502 300319336 375399170 450479004 563098755 600638672 750798340 900958008 1126197510 1201277344 1501596680 1801916016 2252395020 2402554688 3003193360 3603832032 4504790040 4805109376 6006386720 7207664064 9009580080 12012773440 14415328128 18019160160 24025546880 36038320320 72076640640
• Sum of all divisors σ(n): 229826661120
• Sum of proper divisors (its aliquot sum) s(n): 157750020480
• 72076640640 is an abundant number, because the sum of its proper divisors (157750020480) is greater than itself. Its abundance is 85673379840

Bases of 72076640640

• Binary: 1000011001000000110100100000110000000₂
• Hexadecimal: 0x10C81A4180
• Base-36: X40KJUO

Squares and roots of 72076640640

• 72076640640 squared (72076640640²) is 5195042125947699609600
• 72076640640 cubed (72076640640³) is 374441184421593964195807494144000
• The square root of 72076640640 is 268470.9307169027
• The cube root of 72076640640 is 4161.6432241057

Scales and comparisons

• 72,076,640,640 seconds is equal to 2,291 years, 42 weeks, 2 days, 9 hours, 4 minutes.
• To count from 1 to 72,076,640,640 would take you about four thousand, five hundred eighty-three 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 72076640640 cubic inches would be around 346.8 feet tall.

Recreational maths with 72076640640

• 72076640640 backwards is 04604667027
• The number of decimal digits it has is: 11
• The sum of 72076640640's digits is 42
• More coming soon!