18378719148

Names of 18378719148

• Cardinal: 18378719148 can be written as Eighteen billion, three hundred seventy-eight million, seven hundred nineteen thousand, one hundred forty-eight.

Scientific notation

• Scientific notation: 1.8378719148 × 10¹⁰

Factors of 18378719148

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 236

Divisors of 18378719148

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 31 62 73 93 124 127 146 186 219 254 292 372 381 438 508 762 876 1524 2263 3937 4526 5329 6789 7874 9052 9271 10658 11811 13578 15748 15987 18542 21316 23622 27156 27813 31974 37084 47244 55626 63948 111252 165199 287401 330398 389017 495597 574802 660796 676783 778034 862203 991194 1149604 1167051 1353566 1556068 1724406 1982388 2030349 2334102 2707132 3448812 4060698 4668204 8121396 12059527 20980273 24119054 36178581 41960546 48238108 49405159 62940819 72357162 83921092 98810318 125881638 144714324 148215477 197620636 251763276 296430954 592861908 1531559929 3063119858 4594679787 6126239716 9189359574 18378719148
• Sum of all divisors σ(n): 45235240960
• Sum of proper divisors (its aliquot sum) s(n): 26856521812
• 18378719148 is an abundant number, because the sum of its proper divisors (26856521812) is greater than itself. Its abundance is 8477802664

Bases of 18378719148

• Binary: 10001000111011101001111111110101100₂
• Hexadecimal: 0x44774FFAC
• Base-36: 8FY7QGC

Squares and roots of 18378719148

• 18378719148 squared (18378719148²) is 337777317521061845904
• 18378719148 cubed (18378719148³) is 6207914453284415240608070169792
• The square root of 18378719148 is 135568.1347072387
• The cube root of 18378719148 is 2638.9940663621

Scales and comparisons

• 18,378,719,148 seconds is equal to 584 years, 20 weeks, 15 hours, 45 minutes, 48 seconds.
• To count from 1 to 18,378,719,148 would take you about one thousand, one hundred sixty-eight 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 18378719148 cubic inches would be around 219.9 feet tall.

Recreational maths with 18378719148

• 18378719148 backwards is 84191787381
• The number of decimal digits it has is: 11
• The sum of 18378719148's digits is 57
• More coming soon!