18158912929290

Names of 18158912929290

• Cardinal: 18158912929290 can be written as Eighteen trillion, one hundred fifty-eight billion, nine hundred twelve million, nine hundred twenty-nine thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.815891292929 × 10¹³

Factors of 18158912929290

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 49696

Divisors of 18158912929290

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 229 458 687 1145 1374 1603 2290 3206 3435 4809 6870 8015 9437 9618 16030 18874 24045 28311 40013 47185 48090 56622 66059 80026 94370 120039 132118 141555 198177 200065 240078 280091 283110 330295 396354 400130 560182 600195 660590 840273 990885 1200390 1400455 1680546 1981770 2161073 2800910 4201365 4322146 6483219 8402730 9162977 10805365 12966438 15127511 18325954 21610730 27488931 30255022 32416095 45382533 45814885 54977862 64140839 64832190 75637555 90765066 91629770 128281678 137444655 151275110 192422517 226912665 274889310 320704195 377602681 384845034 453825330 641408390 755205362 962112585 1132808043 1888013405 1924225170 2265616086 2643218767 3776026810 5286437534 5664040215 7929656301 11328080430 13216093835 15859312602 26432187670 39648281505 79296563010 86471013949 172942027898 259413041847 432355069745 518826083694 605297097643 864710139490 1210594195286 1297065209235 1815891292929 2594130418470 3026485488215 3631782585858 6052970976430 9079456464645 18158912929290
• Sum of all divisors σ(n): 50031354447360
• Sum of proper divisors (its aliquot sum) s(n): 31872441518070
• 18158912929290 is an abundant number, because the sum of its proper divisors (31872441518070) is greater than itself. Its abundance is 13713528588780

Bases of 18158912929290

• Binary: 100001000001111110011100011011111111000001010₂
• Hexadecimal: 0x1083F38DFE0A
• Base-36: 6FQ37WPVU

Squares and roots of 18158912929290

• 18158912929290 squared (18158912929290²) is 329746118773535528539904100
• 18158912929290 cubed (18158912929290³) is 5987831059579950306688438357186681089000
• The square root of 18158912929290 is 4261327.6017328215
• The cube root of 18158912929290 is 26284.3121027543

Scales and comparisons

• 18,158,912,929,290 seconds is equal to 577,397 years, 13 weeks, 4 days, 8 hours, 21 minutes, 30 seconds.
• To count from 1 to 18,158,912,929,290 would take you about one million, four hundred forty-three thousand, four hundred ninety-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 18158912929290 cubic inches would be around 2190.4 feet tall.

Recreational maths with 18158912929290

• 18158912929290 backwards is 09292921985181
• The number of decimal digits it has is: 14
• The sum of 18158912929290's digits is 66
• More coming soon!