18144665472

Names of 18144665472

• Cardinal: 18144665472 can be written as Eighteen billion, one hundred forty-four million, six hundred sixty-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8144665472 × 10¹⁰

Factors of 18144665472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 927

Divisors of 18144665472

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 269 384 538 653 807 1076 1306 1614 1959 2152 2612 3228 3918 4304 5224 6456 7836 8608 10448 12912 15672 17216 20896 25824 31344 34432 41792 51648 62688 72361 83584 103296 125376 144722 175657 217083 250752 289444 351314 434166 526971 578888 702628 868332 1053942 1157776 1405256 1736664 2107884 2315552 2810512 3473328 4215768 4631104 5621024 6946656 8431536 9262208 11242048 13893312 16863072 22484096 27786624 33726144 47251733 67452288 94503466 141755199 189006932 283510398 378013864 567020796 756027728 1134041592 1512055456 2268083184 3024110912 4536166368 6048221824 9072332736 18144665472
• Sum of all divisors σ(n): 48450687480
• Sum of proper divisors (its aliquot sum) s(n): 30306022008
• 18144665472 is an abundant number, because the sum of its proper divisors (30306022008) is greater than itself. Its abundance is 12161356536

Bases of 18144665472

• Binary: 10000111001100000011001111110000000₂
• Hexadecimal: 0x439819F80
• Base-36: 8C2V5HC

Squares and roots of 18144665472

• 18144665472 squared (18144665472²) is 329228885090788982784
• 18144665472 cubed (18144665472³) is 5973747983691894441158847234048
• The square root of 18144665472 is 134702.1361077841
• The cube root of 18144665472 is 2627.7436092825

Scales and comparisons

• 18,144,665,472 seconds is equal to 576 years, 49 weeks, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 18,144,665,472 would take you about one thousand, one hundred fifty-three 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 18144665472 cubic inches would be around 219 feet tall.

Recreational maths with 18144665472

• 18144665472 backwards is 27456644181
• 18144665472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18144665472's digits is 48
• More coming soon!