31394838951

Names of 31394838951

• Cardinal: 31394838951 can be written as Thirty-one billion, three hundred ninety-four million, eight hundred thirty-eight thousand, nine hundred fifty-one.

Scientific notation

• Scientific notation: 3.1394838951 × 10¹⁰

Factors of 31394838951

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 144

Divisors of 31394838951

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 27 49 61 63 73 147 183 189 219 427 441 511 549 657 1281 1323 1533 1647 1971 2989 3577 3843 4453 4599 5329 8967 10731 11529 13359 13797 15987 26901 31171 32193 37303 40077 47961 80703 93513 96579 111909 120231 143883 218197 261121 280539 325069 335727 389017 654591 783363 841617 975207 1007181 1167051 1963773 2275483 2350089 2723119 2925621 3501153 5891319 6826449 7050267 8169357 8776863 10503459 15928381 19061833 20479347 23730037 24508071 47785143 57185499 61438041 71190111 73524213 143355429 166110259 171556497 213570333 430066287 498330777 514669491 640710999 1162771813 1494992331 3488315439 4484976993 10464946317 31394838951
• Sum of all divisors σ(n): 55755211200
• Sum of proper divisors (its aliquot sum) s(n): 24360372249
• 31394838951 is a deficient number, because the sum of its proper divisors (24360372249) is less than itself. Its deficiency is 7034466702

Bases of 31394838951

• Binary: 11101001111010001110011100110100111₂
• Hexadecimal: 0x74F4739A7
• Base-36: EF7OCRR

Squares and roots of 31394838951

• 31394838951 squared (31394838951²) is 985635912759226780401
• 31394838951 cubed (31394838951³) is 30943880745397810809975638199351
• The square root of 31394838951 is 177185.8881260017
• The cube root of 31394838951 is 3154.6614096957

Scales and comparisons

• 31,394,838,951 seconds is equal to 998 years, 13 weeks, 3 days, 4 hours, 35 minutes, 51 seconds.
• To count from 1 to 31,394,838,951 would take you about one thousand, nine hundred ninety-six 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 31394838951 cubic inches would be around 262.9 feet tall.

Recreational maths with 31394838951

• 31394838951 backwards is 15983849313
• The number of decimal digits it has is: 11
• The sum of 31394838951's digits is 54
• More coming soon!