728120151332

Names of 728120151332

• Cardinal: 728120151332 can be written as Seven hundred twenty-eight billion, one hundred twenty million, one hundred fifty-one thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 7.28120151332 × 10¹¹

Factors of 728120151332

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 59506438

Divisors of 728120151332

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 14 19 23 28 38 46 76 92 133 161 266 322 437 532 644 874 1748 3059 6118 12236 59506387 119012774 238025548 416544709 833089418 1130621353 1368646901 1666178836 2261242706 2737293802 4522485412 5474587604 7914349471 9580528307 15828698942 19161056614 26004291119 31657397884 38322113228 52008582238 104017164476 182030037833 364060075666 728120151332
• Sum of all divisors σ(n): 1599531709440
• Sum of proper divisors (its aliquot sum) s(n): 871411558108
• 728120151332 is an abundant number, because the sum of its proper divisors (871411558108) is greater than itself. Its abundance is 143291406776

Bases of 728120151332

• Binary: 1010100110000111010101111100110100100100₂
• Hexadecimal: 0xA98757CD24
• Base-36: 9AHRXSF8

Squares and roots of 728120151332

• 728120151332 squared (728120151332²) is 530158954775734581374224
• 728120151332 cubed (728120151332³) is 386019418381322807511665647404066368
• The square root of 728120151332 is 853299.5671697015
• The cube root of 728120151332 is 8996.3777659419

Scales and comparisons

• 728,120,151,332 seconds is equal to 23,151 years, 50 weeks, 2 days, 13 hours, 35 minutes, 32 seconds.
• To count from 1 to 728,120,151,332 would take you about forty-six thousand, three hundred 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 728120151332 cubic inches would be around 749.7 feet tall.

Recreational maths with 728120151332

• 728120151332 backwards is 233151021827
• The number of decimal digits it has is: 12
• The sum of 728120151332's digits is 35
• More coming soon!