28739452672

Names of 28739452672

• Cardinal: 28739452672 can be written as Twenty-eight billion, seven hundred thirty-nine million, four hundred fifty-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.8739452672 × 10¹⁰

Factors of 28739452672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 302659

Divisors of 28739452672

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 53 56 64 106 112 128 212 224 256 371 424 448 742 848 896 1484 1696 1792 2968 3392 5936 6784 11872 13568 23744 47488 94976 302597 605194 1210388 2118179 2420776 4236358 4841552 8472716 9683104 16037641 16945432 19366208 32075282 33890864 38732416 64150564 67781728 77464832 112263487 128301128 135563456 224526974 256602256 271126912 449053948 513204512 542253824 898107896 1026409024 1796215792 2052818048 3592431584 4105636096 7184863168 14369726336 28739452672
• Sum of all divisors σ(n): 66799113696
• Sum of proper divisors (its aliquot sum) s(n): 38059661024
• 28739452672 is an abundant number, because the sum of its proper divisors (38059661024) is greater than itself. Its abundance is 9320208352

Bases of 28739452672

• Binary: 11010110001000000010011111100000000₂
• Hexadecimal: 0x6B1013F00
• Base-36: D7AQ7LS

Squares and roots of 28739452672

• 28739452672 squared (28739452672²) is 825956139886127939584
• 28739452672 cubed (28739452672³) is 23737527391405185389011243368448
• The square root of 28739452672 is 169527.1443515759
• The cube root of 28739452672 is 3063.0881674755

Scales and comparisons

• 28,739,452,672 seconds is equal to 913 years, 42 weeks, 6 days, 13 hours, 17 minutes, 52 seconds.
• To count from 1 to 28,739,452,672 would take you about one thousand, eight hundred twenty-seven 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 28739452672 cubic inches would be around 255.3 feet tall.

Recreational maths with 28739452672

• 28739452672 backwards is 27625493782
• The number of decimal digits it has is: 11
• The sum of 28739452672's digits is 55
• More coming soon!