18108129780864

Names of 18108129780864

• Cardinal: 18108129780864 can be written as Eighteen trillion, one hundred eight billion, one hundred twenty-nine million, seven hundred eighty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8108129780864 × 10¹³

Factors of 18108129780864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 351932

Divisors of 18108129780864

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 197 227 288 384 394 454 576 591 681 788 908 1152 1182 1362 1576 1773 1816 2043 2364 2724 3152 3546 3632 4086 4728 5448 6304 7092 7264 8172 9456 10896 12608 14184 14528 16344 18912 21792 25216 28368 29056 32688 37824 43584 44719 56736 65376 75648 87168 89438 113472 130752 134157 178876 226944 261504 268314 351503 357752 402471 536628 703006 715504 804942 1054509 1073256 1406012 1431008 1609884 2109018 2146512 2812024 2862016 3163527 3219768 4218036 4293024 5624048 5724032 6327054 6439536 8436072 8586048 11248096 12654108 12879072 16872144 17172096 22496192 25308216 25758144 33744288 44992384 50616432 51516288 67488576 69246091 79791181 101232864 134977152 138492182 159582362 202465728 207738273 239373543 276984364 319164724 404931456 415476546 478747086 553968728 623214819 638329448 718120629 830953092 957494172 1107937456 1246429638 1276658896 1436241258 1661906184 1914988344 2215874912 2492859276 2553317792 2872482516 3323812368 3829976688 4431749824 4985718552 5106635584 5744965032 6647624736 7659953376 8863499648 9971437104 10213271168 11489930064 13295249472 15319906752 15718862657 19942874208 22979860128 26590498944 30639813504 31437725314 39885748416 45959720256 47156587971 62875450628 79771496832 91919440512 94313175942 125750901256 141469763913 188626351884 251501802512 282939527826 377252703768 503003605024 565879055652 754505407536 1006007210048 1131758111304 1509010815072 2012014420096 2263516222608 3018021630144 4527032445216 6036043260288 9054064890432 18108129780864
• Sum of all divisors σ(n): 52603403149440
• Sum of proper divisors (its aliquot sum) s(n): 34495273368576
• 18108129780864 is an abundant number, because the sum of its proper divisors (34495273368576) is greater than itself. Its abundance is 16387143587712

Bases of 18108129780864

• Binary: 100000111100000100000101001001010010010000000₂
• Hexadecimal: 0x107820A4A480
• Base-36: 6F2RCXLS0

Squares and roots of 18108129780864

• 18108129780864 squared (18108129780864²) is 327904364160613696660586496
• 18108129780864 cubed (18108129780864³) is 5937734781932082954210223114398197612544
• The square root of 18108129780864 is 4255364.8234744809
• The cube root of 18108129780864 is 26259.7870230895

Scales and comparisons

• 18,108,129,780,864 seconds is equal to 575,782 years, 26 weeks, 5 days, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,108,129,780,864 would take you about one million, four hundred thirty-nine thousand, four hundred fifty-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 18108129780864 cubic inches would be around 2188.3 feet tall.

Recreational maths with 18108129780864

• 18108129780864 backwards is 46808792180181
• The number of decimal digits it has is: 14
• The sum of 18108129780864's digits is 63
• More coming soon!