18027632640

Names of 18027632640

• Cardinal: 18027632640 can be written as Eighteen billion, twenty-seven million, six hundred thirty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.802763264 × 10¹⁰

Factors of 18027632640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 586847

Divisors of 18027632640

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2048 2560 3072 3840 5120 6144 7680 10240 15360 30720 586837 1173674 1760511 2347348 2934185 3521022 4694696 5868370 7042044 8802555 9389392 11736740 14084088 17605110 18778784 23473480 28168176 35210220 37557568 46946960 56336352 70420440 75115136 93893920 112672704 140840880 150230272 187787840 225345408 281681760 300460544 375575680 450690816 563363520 600921088 751151360 901381632 1126727040 1201842176 1502302720 1802763264 2253454080 3004605440 3605526528 4506908160 6009210880 9013816320 18027632640
• Sum of all divisors σ(n): 57674438640
• Sum of proper divisors (its aliquot sum) s(n): 39646806000
• 18027632640 is an abundant number, because the sum of its proper divisors (39646806000) is greater than itself. Its abundance is 21619173360

Bases of 18027632640

• Binary: 10000110010100001111101100000000000₂
• Hexadecimal: 0x43287D800
• Base-36: 8A56QDC

Squares and roots of 18027632640

• 18027632640 squared (18027632640²) is 324995538602793369600
• 18027632640 cubed (18027632640³) is 5858900179570097744976543744000
• The square root of 18027632640 is 134267.0199267115
• The cube root of 18027632640 is 2622.0817826835

Scales and comparisons

• 18,027,632,640 seconds is equal to 573 years, 11 weeks, 4 days, 3 hours, 44 minutes.
• To count from 1 to 18,027,632,640 would take you about one thousand, one hundred forty-six 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 18027632640 cubic inches would be around 218.5 feet tall.

Recreational maths with 18027632640

• 18027632640 backwards is 04623672081
• The number of decimal digits it has is: 11
• The sum of 18027632640's digits is 39
• More coming soon!