18540138222

Names of 18540138222

• Cardinal: 18540138222 can be written as Eighteen billion, five hundred forty million, one hundred thirty-eight thousand, two hundred twenty-two.

Scientific notation

• Scientific notation: 1.8540138222 × 10¹⁰

Factors of 18540138222

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1497

Divisors of 18540138222

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 17 18 27 34 47 51 54 94 102 141 153 282 306 423 431 459 799 846 862 918 997 1269 1293 1598 1994 2397 2538 2586 2991 3879 4794 5982 7191 7327 7758 8973 11637 14382 14654 16949 17946 20257 21573 21981 23274 26919 33898 40514 43146 43962 46859 50847 53838 60771 65943 93718 101694 121542 131886 140577 152541 182313 197829 281154 305082 344369 364626 395658 421731 429707 457623 546939 688738 796603 843462 859414 915246 1033107 1093878 1265193 1289121 1593206 2066214 2389809 2530386 2578242 3099321 3867363 4779618 6198642 7169427 7305019 7734726 9297963 11602089 14338854 14610038 18595926 20196229 21508281 21915057 23204178 40392458 43016562 43830114 60588687 65745171 121177374 131490342 181766061 197235513 343335893 363532122 394471026 545298183 686671786 1030007679 1090596366 2060015358 3090023037 6180046074 9270069111 18540138222
• Sum of all divisors σ(n): 44700180480
• Sum of proper divisors (its aliquot sum) s(n): 26160042258
• 18540138222 is an abundant number, because the sum of its proper divisors (26160042258) is greater than itself. Its abundance is 7619904036

Bases of 18540138222

• Binary: 10001010001000101000000111011101110₂
• Hexadecimal: 0x451140EEE
• Base-36: 8IMBI7I

Squares and roots of 18540138222

• 18540138222 squared (18540138222²) is 343736725290865321284
• 18540138222 cubed (18540138222³) is 6372926398870286210591798517048
• The square root of 18540138222 is 136162.1761797307
• The cube root of 18540138222 is 2646.6975937445

Scales and comparisons

• 18,540,138,222 seconds is equal to 589 years, 26 weeks, 6 days, 22 hours, 23 minutes, 42 seconds.
• To count from 1 to 18,540,138,222 would take you about one thousand, one hundred seventy-nine 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 18540138222 cubic inches would be around 220.6 feet tall.

Recreational maths with 18540138222

• 18540138222 backwards is 22283104581
• The number of decimal digits it has is: 11
• The sum of 18540138222's digits is 36
• More coming soon!