18008209356928

Names of 18008209356928

• Cardinal: 18008209356928 can be written as Eighteen trillion, eight billion, two hundred nine million, three hundred fifty-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8008209356928 × 10¹³

Factors of 18008209356928

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 752

Divisors of 18008209356928

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 343 392 448 686 743 784 896 1372 1486 1568 2744 2972 3136 5201 5488 5944 6272 10402 10976 11888 20804 21952 23776 36407 41608 43904 47552 72814 83216 95104 145628 166432 254849 291256 332864 509698 552049 582512 665728 1019396 1104098 1165024 2038792 2208196 2330048 3864343 4077584 4416392 4660096 7728686 8155168 8832784 15457372 16310336 17665568 27050401 30914744 32620672 35331136 54100802 61829488 70662272 108201604 123658976 189352807 216403208 247317952 378705614 410172407 432806416 494635904 757411228 820344814 865612832 1514822456 1640689628 1731225664 2871206849 3029644912 3281379256 3462451328 5742413698 6059289824 6562758512 11484827396 12118579648 13125517024 20098447943 22969654792 24237159296 26251034048 40196895886 45939309584 52502068096 80393791772 91878619168 140689135601 160787583544 183757238336 281378271202 321575167088 367514476672 562756542404 643150334176 1125513084808 1286300668352 2251026169616 2572601336704 4502052339232 9004104678464 18008209356928
• Sum of all divisors σ(n): 41893970400000
• Sum of proper divisors (its aliquot sum) s(n): 23885761043072
• 18008209356928 is an abundant number, because the sum of its proper divisors (23885761043072) is greater than itself. Its abundance is 5877551686144

Bases of 18008209356928

• Binary: 100000110000011011100111010111111100010000000₂
• Hexadecimal: 0x1060DCEBF880
• Base-36: 6DSUUW58G

Squares and roots of 18008209356928

• 18008209356928 squared (18008209356928²) is 324295604242949171301597184
• 18008209356928 cubed (18008209356928³) is 5839983134738496884403325937619935690752
• The square root of 18008209356928 is 4243608.0588254141
• The cube root of 18008209356928 is 26211.3975220129

Scales and comparisons

• 18,008,209,356,928 seconds is equal to 572,605 years, 18 weeks, 3 days, 55 minutes, 28 seconds.
• To count from 1 to 18,008,209,356,928 would take you about one million, four hundred thirty-one thousand, five hundred thirteen 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 18008209356928 cubic inches would be around 2184.3 feet tall.

Recreational maths with 18008209356928

• 18008209356928 backwards is 82965390280081
• The number of decimal digits it has is: 14
• The sum of 18008209356928's digits is 61
• More coming soon!