18838496740

Names of 18838496740

• Cardinal: 18838496740 can be written as Eighteen billion, eight hundred thirty-eight million, four hundred ninety-six thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.883849674 × 10¹⁰

Factors of 18838496740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15135

Divisors of 18838496740

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 71 127 140 142 254 284 355 497 508 635 710 889 994 1270 1420 1778 1988 2485 2540 3556 4445 4970 8890 9017 9940 14923 17780 18034 29846 36068 45085 59692 63119 74615 90170 104461 126238 149230 180340 208922 252476 298460 315595 417844 522305 631190 1044610 1059533 1262380 1895221 2089220 2119066 3790442 4238132 5297665 7416731 7580884 9476105 10595330 13266547 14833462 18952210 21190660 26533094 29666924 37083655 37904420 53066188 66332735 74167310 132665470 134560691 148334620 265330940 269121382 538242764 672803455 941924837 1345606910 1883849674 2691213820 3767699348 4709624185 9419248370 18838496740
• Sum of all divisors σ(n): 46213300224
• Sum of proper divisors (its aliquot sum) s(n): 27374803484
• 18838496740 is an abundant number, because the sum of its proper divisors (27374803484) is greater than itself. Its abundance is 8536306744

Bases of 18838496740

• Binary: 10001100010110111001010010111100100₂
• Hexadecimal: 0x462DCA5E4
• Base-36: 8NJYD44

Squares and roots of 18838496740

• 18838496740 squared (18838496740²) is 354888959422990627600
• 18838496740 cubed (18838496740³) is 6685574505152001219093154024000
• The square root of 18838496740 is 137253.4033822113
• The cube root of 18838496740 is 2660.8195008305

Scales and comparisons

• 18,838,496,740 seconds is equal to 599 years, 2 days, 3 hours, 45 minutes, 40 seconds.
• To count from 1 to 18,838,496,740 would take you about one thousand, one hundred ninety-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 18838496740 cubic inches would be around 221.7 feet tall.

Recreational maths with 18838496740

• 18838496740 backwards is 04769483881
• The number of decimal digits it has is: 11
• The sum of 18838496740's digits is 58
• More coming soon!