18535138713

Names of 18535138713

• Cardinal: 18535138713 can be written as Eighteen billion, five hundred thirty-five million, one hundred thirty-eight thousand, seven hundred thirteen.

Scientific notation

• Scientific notation: 1.8535138713 × 10¹⁰

Factors of 18535138713

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 235

Divisors of 18535138713

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 61 63 81 91 117 147 151 169 183 189 243 273 351 427 441 453 507 549 567 637 793 819 1053 1057 1183 1281 1323 1359 1521 1647 1701 1911 1963 2379 2457 2989 3159 3171 3549 3843 3969 4077 4563 4941 5551 5733 5889 7137 7371 7399 8281 8967 9211 9513 10309 10647 11529 11907 12231 13689 13741 14823 16653 17199 17667 21411 22113 22197 24843 25519 26901 27633 28539 30927 31941 34587 36693 38857 41067 41223 49959 51597 53001 64233 64477 66591 72163 74529 76557 80703 82899 85617 92781 95823 96187 103761 116571 119743 123669 149877 154791 159003 178633 192699 193431 199773 216489 223587 229671 242109 248697 256851 278343 287469 288561 349713 359229 371007 449631 451339 477009 505141 535899 580293 599319 649467 670761 689013 726327 746091 835029 838201 865683 1049139 1077687 1113021 1250431 1348893 1354017 1515423 1556659 1607697 1740879 1797957 1948401 2012283 2067039 2238273 2505087 2514603 2597049 3147417 3233061 3339063 3751293 4062051 4546269 4669977 4823091 5222637 5845203 5867407 6201117 7543809 7791147 9442251 9699183 10896613 11253879 12186153 13638807 14009931 14469273 15667911 17535609 17602221 22631427 23373441 29097549 32689839 33761637 36558459 40916421 42029793 43407819 52806663 67894281 76276291 98069517 101284911 109675377 122749263 126089379 158419989 203682843 228828873 294208551 303854733 378268137 475259967 686486619 882625653 1425779901 2059459857 2647876959 6178379571 18535138713
• Sum of all divisors σ(n): 35781834816
• Sum of proper divisors (its aliquot sum) s(n): 17246696103
• 18535138713 is a deficient number, because the sum of its proper divisors (17246696103) is less than itself. Its deficiency is 1288442610

Bases of 18535138713

• Binary: 10001010000110001111100010110011001₂
• Hexadecimal: 0x450C7C599
• Base-36: 8IJCCK9

Squares and roots of 18535138713

• 18535138713 squared (18535138713²) is 343551367110151296369
• 18535138713 cubed (18535138713³) is 6367772244427440228616188233097
• The square root of 18535138713 is 136143.8162863081
• The cube root of 18535138713 is 2646.4596707069

Scales and comparisons

• 18,535,138,713 seconds is equal to 589 years, 18 weeks, 5 days, 1 hour, 38 minutes, 33 seconds.
• To count from 1 to 18,535,138,713 would take you about one thousand, one hundred seventy-eight 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 18535138713 cubic inches would be around 220.5 feet tall.

Recreational maths with 18535138713

• 18535138713 backwards is 31783153581
• The number of decimal digits it has is: 11
• The sum of 18535138713's digits is 45
• More coming soon!