1128790272

Names of 1128790272

• Cardinal: 1128790272 can be written as One billion, one hundred twenty-eight million, seven hundred ninety thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.128790272 × 10⁹

Factors of 1128790272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 22009

Divisors of 1128790272

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 67 96 128 134 192 201 256 268 384 402 536 768 804 1072 1608 2144 3216 4288 6432 8576 12864 17152 21937 25728 43874 51456 65811 87748 131622 175496 263244 350992 526488 701984 1052976 1403968 1469779 2105952 2807936 2939558 4211904 4409337 5615872 5879116 8423808 8818674 11758232 16847616 17637348 23516464 35274696 47032928 70549392 94065856 141098784 188131712 282197568 376263424 564395136 1128790272
• Sum of all divisors σ(n): 3049206496
• Sum of proper divisors (its aliquot sum) s(n): 1920416224
• 1128790272 is an abundant number, because the sum of its proper divisors (1920416224) is greater than itself. Its abundance is 791625952

Bases of 1128790272

• Binary: 1000011010001111111100100000000₂
• Hexadecimal: 0x4347F900
• Base-36: IO1W5C

Squares and roots of 1128790272

• 1128790272 squared (1128790272²) is 1274167478161833984
• 1128790272 cubed (1128790272³) is 1438267854247850642818203648
• The square root of 1128790272 is 33597.4741907781
• The cube root of 1128790272 is 1041.2086146131

Scales and comparisons

• 1,128,790,272 seconds is equal to 35 years, 46 weeks, 2 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 1,128,790,272 would take you about seventy-one 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 1128790272 cubic inches would be around 86.8 feet tall.

Recreational maths with 1128790272

• 1128790272 backwards is 2720978211
• The number of decimal digits it has is: 10
• The sum of 1128790272's digits is 39
• More coming soon!