9721972848

Names of 9721972848

• Cardinal: 9721972848 can be written as Nine billion, seven hundred twenty-one million, nine hundred seventy-two thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 9.721972848 × 10⁹

Factors of 9721972848

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 319

Divisors of 9721972848

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 307 336 614 921 1228 1842 2149 2456 3684 4298 4912 6447 7368 8596 12894 14736 17192 25788 34384 51576 94249 103152 188498 282747 376996 565494 659743 753992 1130988 1319486 1507984 1979229 2261976 2638972 3958458 4523952 5277944 7916916 10555888 15833832 28934443 31667664 57868886 86803329 115737772 173606658 202541101 231475544 347213316 405082202 462951088 607623303 694426632 810164404 1215246606 1388853264 1620328808 2430493212 3240657616 4860986424 9721972848
• Sum of all divisors σ(n): 28796768000
• Sum of proper divisors (its aliquot sum) s(n): 19074795152
• 9721972848 is an abundant number, because the sum of its proper divisors (19074795152) is greater than itself. Its abundance is 9352822304

Bases of 9721972848

• Binary: 1001000011011110011000100001110000₂
• Hexadecimal: 0x243798870
• Base-36: 4GS7M9C

Squares and roots of 9721972848

• 9721972848 squared (9721972848²) is 94516756057249231104
• 9721972848 cubed (9721972848³) is 918889336069616558361965064192
• The square root of 9721972848 is 98600.0651521081
• The cube root of 9721972848 is 2134.2803599603

Scales and comparisons

• 9,721,972,848 seconds is equal to 309 years, 6 weeks, 4 days, 20 hours, 48 seconds.
• To count from 1 to 9,721,972,848 would take you about six hundred eighteen 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 9721972848 cubic inches would be around 177.9 feet tall.

Recreational maths with 9721972848

• 9721972848 backwards is 8482791279
• The number of decimal digits it has is: 10
• The sum of 9721972848's digits is 57
• More coming soon!