18345350816

Names of 18345350816

• Cardinal: 18345350816 can be written as Eighteen billion, three hundred forty-five million, three hundred fifty thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8345350816 × 10¹⁰

Factors of 18345350816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 459

Divisors of 18345350816

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 13 16 26 29 32 52 58 61 97 104 116 122 194 208 232 244 257 377 388 416 464 488 514 754 776 793 928 976 1028 1261 1508 1552 1586 1769 1952 2056 2522 2813 3016 3104 3172 3341 3538 4112 5044 5626 5917 6032 6344 6682 7076 7453 8224 10088 11252 11834 12064 12688 13364 14152 14906 15677 20176 22504 22997 23668 24929 25376 26728 28304 29812 31354 36569 40352 45008 45994 47336 49858 53456 56608 59624 62708 73138 76921 90016 91988 94672 96889 99716 106912 119248 125416 146276 153842 171593 183976 189344 193778 199432 203801 238496 250832 292552 307684 324077 343186 367952 387556 398864 407602 454633 501664 585104 615368 648154 686372 722941 735904 775112 797728 815204 909266 1170208 1230736 1296308 1372744 1445882 1520669 1550224 1630408 1818532 2230709 2461472 2592616 2745488 2891764 3041338 3100448 3260816 3637064 4461418 5185232 5490976 5783528 5910229 6082676 6521632 7274128 8922836 9398233 10370464 11567056 11820458 12165352 14548256 17845672 18796466 19768697 23134112 23640916 24330704 35691344 37592932 39537394 44099401 47281832 48661408 71382688 75185864 79074788 88198802 94563664 150371728 158149576 176397604 189127328 300743456 316299152 352795208 573292213 632598304 705590416 1146584426 1411180832 2293168852 4586337704 9172675408 18345350816
• Sum of all divisors σ(n): 41478907680
• Sum of proper divisors (its aliquot sum) s(n): 23133556864
• 18345350816 is an abundant number, because the sum of its proper divisors (23133556864) is greater than itself. Its abundance is 4788206048

Bases of 18345350816

• Binary: 10001000101011101111101011010100000₂
• Hexadecimal: 0x44577D6A0
• Base-36: 8FECJA8

Squares and roots of 18345350816

• 18345350816 squared (18345350816²) is 336551896562111865856
• 18345350816 cubed (18345350816³) is 6174162610222086512964652138496
• The square root of 18345350816 is 135445.0103030747
• The cube root of 18345350816 is 2637.3959829781

Scales and comparisons

• 18,345,350,816 seconds is equal to 583 years, 16 weeks, 6 days, 10 hours, 46 minutes, 56 seconds.
• To count from 1 to 18,345,350,816 would take you about one thousand, one hundred sixty-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 18345350816 cubic inches would be around 219.8 feet tall.

Recreational maths with 18345350816

• 18345350816 backwards is 61805354381
• The number of decimal digits it has is: 11
• The sum of 18345350816's digits is 44
• More coming soon!