31599907209

Names of 31599907209

• Cardinal: 31599907209 can be written as Thirty-one billion, five hundred ninety-nine million, nine hundred seven thousand, two hundred nine.

Scientific notation

• Scientific notation: 3.1599907209 × 10¹⁰

Factors of 31599907209

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 342

Divisors of 31599907209

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 13 19 39 43 57 117 127 129 137 171 247 361 381 387 411 559 741 817 1083 1143 1233 1651 1677 1781 2223 2413 2451 2603 3249 4693 4953 5031 5343 5461 5891 7239 7353 7809 10621 14079 14859 15523 16029 16383 17399 17673 21717 23427 31369 31863 33839 42237 45847 46569 49149 49457 52197 53019 70993 76583 94107 95589 101517 103759 111929 137541 139707 148371 156591 201799 212979 226187 229749 282321 304551 311277 330581 335787 412623 445113 596011 605397 638937 642941 678561 689247 748157 933831 991743 1007361 1348867 1455077 1788033 1816191 1928823 1971421 2035683 2126651 2244471 2975229 4046601 4297553 4365231 5364099 5786469 5914263 6281039 6379953 6733413 9726041 12139803 12892659 13095693 14214983 17742789 18843117 19139859 25628473 27646463 29178123 38677977 42644949 56529351 76885419 81653507 82939389 87534369 127934847 184794779 230656257 244960521 248818167 270084677 554384337 734881563 810254031 1663153011 2430762093 3511100801 10533302403 31599907209
• Sum of all divisors σ(n): 53893711872
• Sum of proper divisors (its aliquot sum) s(n): 22293804663
• 31599907209 is a deficient number, because the sum of its proper divisors (22293804663) is less than itself. Its deficiency is 9306102546

Bases of 31599907209

• Binary: 11101011011100000000101000110001001₂
• Hexadecimal: 0x75B805189
• Base-36: EILROG9

Squares and roots of 31599907209

• 31599907209 squared (31599907209²) is 998554135617410169681
• 31599907209 cubed (31599907209³) is 31554218028673363286812545130329
• The square root of 31599907209 is 177763.6273510417
• The cube root of 31599907209 is 3161.5151632383

Scales and comparisons

• 31,599,907,209 seconds is equal to 1,004 years, 40 weeks, 3 days, 16 hours, 9 seconds.
• To count from 1 to 31,599,907,209 would take you about two thousand and 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 31599907209 cubic inches would be around 263.5 feet tall.

Recreational maths with 31599907209

• 31599907209 backwards is 90270999513
• The number of decimal digits it has is: 11
• The sum of 31599907209's digits is 54
• More coming soon!