3145488138

Names of 3145488138

• Cardinal: 3145488138 can be written as Three billion, one hundred forty-five million, four hundred eighty-eight thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.145488138 × 10⁹

Factors of 3145488138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 469

Divisors of 3145488138

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 13 17 18 26 34 39 51 78 102 117 153 193 221 234 241 289 306 386 442 482 578 579 663 723 867 1158 1326 1446 1734 1737 1989 2169 2509 2601 3133 3281 3474 3757 3978 4097 4338 5018 5202 6266 6562 7514 7527 8194 9399 9843 11271 12291 15054 18798 19686 22542 22581 24582 28197 29529 33813 36873 42653 45162 46513 53261 55777 56394 59058 67626 69649 73746 85306 93026 106522 111554 127959 139298 139539 159783 167331 208947 255918 279078 319566 334662 383877 417894 418617 479349 501993 604669 626841 725101 767754 790721 837234 905437 958698 1003986 1209338 1253682 1450202 1581442 1810874 1814007 2175303 2372163 2716311 3628014 4350606 4744326 5432622 5442021 6525909 7116489 8148933 10279373 10884042 13051818 13442257 14232978 16297866 20558746 26884514 30838119 40326771 61676238 80653542 92514357 120980313 174749341 185028714 241960626 349498682 524248023 1048496046 1572744069 3145488138
• Sum of all divisors σ(n): 7869517656
• Sum of proper divisors (its aliquot sum) s(n): 4724029518
• 3145488138 is an abundant number, because the sum of its proper divisors (4724029518) is greater than itself. Its abundance is 1578541380

Bases of 3145488138

• Binary: 10111011011111000101011100001010₂
• Hexadecimal: 0xBB7C570A
• Base-36: 1G0QQ6I

Squares and roots of 3145488138

• 3145488138 squared (3145488138²) is 9894095626298707044
• 3145488138 cubed (3145488138³) is 31121760428760263851639044072
• The square root of 3145488138 is 56084.6515367619
• The cube root of 3145488138 is 1465.1969881143

Scales and comparisons

• 3,145,488,138 seconds is equal to 100 years, 6 days, 2 hours, 42 minutes, 18 seconds.
• To count from 1 to 3,145,488,138 would take you about two hundred 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 3145488138 cubic inches would be around 122.1 feet tall.

Recreational maths with 3145488138

• 3145488138 backwards is 8318845413
• The number of decimal digits it has is: 10
• The sum of 3145488138's digits is 45
• More coming soon!