13165426638

Names of 13165426638

• Cardinal: 13165426638 can be written as Thirteen billion, one hundred sixty-five million, four hundred twenty-six thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3165426638 × 10¹⁰

Factors of 13165426638

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 30217

Divisors of 13165426638

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 89 91 117 126 178 182 189 234 267 273 351 378 534 546 623 702 801 819 1157 1246 1602 1638 1869 2314 2403 2457 3471 3738 4806 4914 5607 6942 8099 10413 11214 16198 16821 20826 24297 30103 31239 33642 48594 60206 62478 72891 90309 145782 180618 210721 218673 270927 391339 421442 437346 541854 632163 782678 812781 1174017 1264326 1625562 1896489 2348034 2679167 2739373 3522051 3792978 5358334 5478746 5689467 7044102 8037501 8218119 10566153 11378934 16075002 16436238 18754169 21132306 24112503 24654357 34829171 37508338 48225006 49308714 56262507 69658342 72337509 73963071 104487513 112525014 144675018 147926142 168787521 208975026 243804197 313462539 337575042 487608394 506362563 626925078 731412591 940387617 1012725126 1462825182 1880775234 2194237773 4388475546 6582713319 13165426638
• Sum of all divisors σ(n): 36413798400
• Sum of proper divisors (its aliquot sum) s(n): 23248371762
• 13165426638 is an abundant number, because the sum of its proper divisors (23248371762) is greater than itself. Its abundance is 10082945124

Bases of 13165426638

• Binary: 1100010000101110000111011111001110₂
• Hexadecimal: 0x310B877CE
• Base-36: 61QCS7I

Squares and roots of 13165426638

• 13165426638 squared (13165426638²) is 173328458560559983044
• 13165426638 cubed (13165426638³) is 2281943105456675536964305926072
• The square root of 13165426638 is 114740.6930343373
• The cube root of 13165426638 is 2361.2663555779

Scales and comparisons

• 13,165,426,638 seconds is equal to 418 years, 32 weeks, 1 day, 14 hours, 57 minutes, 18 seconds.
• To count from 1 to 13,165,426,638 would take you about eight hundred thirty-seven 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 13165426638 cubic inches would be around 196.8 feet tall.

Recreational maths with 13165426638

• 13165426638 backwards is 83662456131
• The number of decimal digits it has is: 11
• The sum of 13165426638's digits is 45
• More coming soon!