18088931380

Names of 18088931380

• Cardinal: 18088931380 can be written as Eighteen billion, eighty-eight million, nine hundred thirty-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.808893138 × 10¹⁰

Factors of 18088931380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 41271

Divisors of 18088931380

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 13 19 20 26 38 52 65 76 89 95 130 178 190 247 260 356 380 445 494 890 988 1157 1235 1691 1780 2314 2470 3382 4628 4940 5785 6764 8455 11570 16910 21983 23140 33820 41143 43966 82286 87932 109915 164572 205715 219830 411430 439660 534859 781717 822860 1069718 1563434 2139436 2674295 3126868 3661727 3908585 5348590 7323454 7817170 10162321 10697180 14646908 15634340 18308635 20324642 36617270 40649284 47602451 50811605 69572813 73234540 95204902 101623210 139145626 190409804 203246420 238012255 278291252 347864065 476024510 695728130 904446569 952049020 1391456260 1808893138 3617786276 4522232845 9044465690 18088931380
• Sum of all divisors σ(n): 43546809600
• Sum of proper divisors (its aliquot sum) s(n): 25457878220
• 18088931380 is an abundant number, because the sum of its proper divisors (25457878220) is greater than itself. Its abundance is 7368946840

Bases of 18088931380

• Binary: 10000110110001011110011000000110100₂
• Hexadecimal: 0x4362F3034
• Base-36: 8B5OKS4

Squares and roots of 18088931380

• 18088931380 squared (18088931380²) is 327209438470348704400
• 18088931380 cubed (18088931380³) is 5918869079378469878563504072000
• The square root of 18088931380 is 134495.0979775843
• The cube root of 18088931380 is 2625.0503454591

Scales and comparisons

• 18,088,931,380 seconds is equal to 575 years, 8 weeks, 6 days, 15 hours, 9 minutes, 40 seconds.
• To count from 1 to 18,088,931,380 would take you about one thousand, one hundred fifty 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 18088931380 cubic inches would be around 218.8 feet tall.

Recreational maths with 18088931380

• 18088931380 backwards is 08313988081
• The number of decimal digits it has is: 11
• The sum of 18088931380's digits is 49
• More coming soon!