18449473245440

Names of 18449473245440

• Cardinal: 18449473245440 can be written as Eighteen trillion, four hundred forty-nine billion, four hundred seventy-three million, two hundred forty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.844947324544 × 10¹³

Factors of 18449473245440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6939754

Divisors of 18449473245440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 64 67 80 124 128 134 155 160 248 256 268 310 320 335 496 536 620 640 670 992 1072 1240 1280 1340 1984 2077 2144 2480 2680 3968 4154 4288 4960 5360 7936 8308 8576 9920 10385 10720 16616 17152 19840 20770 21440 33232 39680 41540 42880 66464 83080 85760 132928 166160 265856 332320 531712 664640 1329280 2658560 6939649 13879298 27758596 34698245 55517192 69396490 111034384 138792980 215129119 222068768 277585960 430258238 444137536 464956483 555171920 860516476 888275072 929912966 1075645595 1110343840 1721032952 1776550144 1859825932 2151291190 2220687680 2324782415 3442065904 3719651864 4302582380 4441375360 4649564830 6884131808 7439303728 8605164760 8882750720 9299129660 13768263616 14413650973 14878607456 17210329520 18598259320 27536527232 28827301946 29757214912 34420659040 37196518640 55073054464 57654603892 59514429824 68841318080 72068254865 74393037280 115309207784 119028859648 137682636160 144136509730 148786074560 230618415568 275365272320 288273019460 297572149120 461236831136 576546038920 595144298240 922473662272 1153092077840 1844947324544 2306184155680 3689894649088 4612368311360 9224736622720 18449473245440
• Sum of all divisors σ(n): 46298679974400
• Sum of proper divisors (its aliquot sum) s(n): 27849206728960
• 18449473245440 is an abundant number, because the sum of its proper divisors (27849206728960) is greater than itself. Its abundance is 9399733483520

Bases of 18449473245440

• Binary: 100001100011110011010010011001001000100000000₂
• Hexadecimal: 0x10C79A4C9100
• Base-36: 6JFKK0OOW

Squares and roots of 18449473245440

• 18449473245440 squared (18449473245440²) is 340383063034206366480793600
• 18449473245440 cubed (18449473245440³) is 6279888214650507425931117130818781184000
• The square root of 18449473245440 is 4295285.0016547213
• The cube root of 18449473245440 is 26423.7624881769

Scales and comparisons

• 18,449,473,245,440 seconds is equal to 586,636 years, 9 weeks, 2 days, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 18,449,473,245,440 would take you about one million, four hundred sixty-six thousand, five hundred ninety 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 18449473245440 cubic inches would be around 2202 feet tall.

Recreational maths with 18449473245440

• 18449473245440 backwards is 04454237494481
• The number of decimal digits it has is: 14
• The sum of 18449473245440's digits is 59
• More coming soon!