28135832790

Names of 28135832790

• Cardinal: 28135832790 can be written as Twenty-eight billion, one hundred thirty-five million, eight hundred thirty-two thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.813583279 × 10¹⁰

Factors of 28135832790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 398785

Divisors of 28135832790

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 65 78 130 181 195 362 390 543 905 1086 1810 2353 2715 4706 5430 7059 11765 14118 23530 35295 70590 398581 797162 1195743 1992905 2391486 3985810 5181553 5978715 10363106 11957430 15544659 25907765 31089318 51815530 72143161 77723295 144286322 155446590 216429483 360715805 432858966 721431610 937861093 1082147415 1875722186 2164294830 2813583279 4689305465 5627166558 9378610930 14067916395 28135832790
• Sum of all divisors σ(n): 73122259392
• Sum of proper divisors (its aliquot sum) s(n): 44986426602
• 28135832790 is an abundant number, because the sum of its proper divisors (44986426602) is greater than itself. Its abundance is 16850593812

Bases of 28135832790

• Binary: 11010001101000001101011110011010110₂
• Hexadecimal: 0x68D06BCD6
• Base-36: CXBCJIU

Squares and roots of 28135832790

• 28135832790 squared (28135832790²) is 791625086786839184100
• 28135832790 cubed (28135832790³) is 22273031074203745656457626639000
• The square root of 28135832790 is 167737.3923429121
• The cube root of 28135832790 is 3041.4913904361

Scales and comparisons

• 28,135,832,790 seconds is equal to 894 years, 32 weeks, 6 days, 5 hours, 6 minutes, 30 seconds.
• To count from 1 to 28,135,832,790 would take you about one thousand, seven hundred eighty-nine 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 28135832790 cubic inches would be around 253.5 feet tall.

Recreational maths with 28135832790

• 28135832790 backwards is 09723853182
• The number of decimal digits it has is: 11
• The sum of 28135832790's digits is 48
• More coming soon!