31439303390

Names of 31439303390

• Cardinal: 31439303390 can be written as Thirty-one billion, four hundred thirty-nine million, three hundred three thousand, three hundred ninety.

Scientific notation

• Scientific notation: 3.143930339 × 10¹⁰

Factors of 31439303390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1338

Divisors of 31439303390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 11 22 29 55 58 71 110 127 142 145 254 290 319 355 635 638 710 781 1093 1270 1397 1562 1595 2059 2186 2794 3190 3683 3905 4118 5465 6985 7366 7810 9017 10295 10930 12023 13970 18034 18415 20590 22649 24046 31697 36830 40513 45085 45298 60115 63394 77603 81026 90170 99187 113245 120230 138811 155206 158485 198374 202565 226490 261493 277622 316970 348667 388015 405130 495935 522986 694055 697334 776030 853633 991870 1307465 1388110 1526921 1707266 1743335 2250487 2614930 2876423 3053842 3486670 4025519 4268165 4500974 5752846 7634605 8051038 8536330 9855581 11252435 14382115 15269210 19711162 20127595 22504870 24755357 28764230 40255190 44280709 49277905 49510714 88561418 98555810 108411391 123776785 216822782 221403545 247553570 285811849 442807090 542056955 571623698 1084113910 1429059245 2858118490 3143930339 6287860678 15719651695 31439303390
• Sum of all divisors σ(n): 65333329920
• Sum of proper divisors (its aliquot sum) s(n): 33894026530
• 31439303390 is an abundant number, because the sum of its proper divisors (33894026530) is greater than itself. Its abundance is 2454723140

Bases of 31439303390

• Binary: 11101010001111011011011001011011110₂
• Hexadecimal: 0x751EDB2DE
• Base-36: EFY5DR2

Squares and roots of 31439303390

• 31439303390 squared (31439303390²) is 988429797648465492100
• 31439303390 cubed (31439303390³) is 31075544287986415174077548219000
• The square root of 31439303390 is 177311.3177154803
• The cube root of 31439303390 is 3156.1500204045

Scales and comparisons

• 31,439,303,390 seconds is equal to 999 years, 34 weeks, 6 days, 19 hours, 49 minutes, 50 seconds.
• To count from 1 to 31,439,303,390 would take you about one thousand, nine hundred ninety-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 31439303390 cubic inches would be around 263 feet tall.

Recreational maths with 31439303390

• 31439303390 backwards is 09330393413
• The number of decimal digits it has is: 11
• The sum of 31439303390's digits is 38
• More coming soon!