31215343068

Names of 31215343068

• Cardinal: 31215343068 can be written as Thirty-one billion, two hundred fifteen million, three hundred forty-three thousand and sixty-eight.

Scientific notation

• Scientific notation: 3.1215343068 × 10¹⁰

Factors of 31215343068

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2187

Divisors of 31215343068

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 169 182 234 252 273 338 364 421 468 507 546 676 819 842 1014 1092 1183 1263 1521 1638 1684 1741 2028 2366 2526 2947 3042 3276 3482 3549 3789 4732 5052 5223 5473 5894 6084 6964 7098 7578 8841 10446 10647 10946 11788 12187 14196 15156 15669 16419 17682 20892 21294 21892 22633 24374 26523 31338 32838 35364 36561 38311 42588 45266 48748 49257 53046 62676 65676 67899 71149 73122 76622 90532 98514 106092 109683 114933 135798 142298 146244 153244 158431 197028 203697 213447 219366 229866 271596 284596 294229 316862 344799 407394 426894 438732 459732 475293 498043 588458 633724 640341 689598 732961 814788 853788 882687 950586 996086 1176916 1280682 1379196 1425879 1465922 1494129 1765374 1901172 1992172 2059603 2198883 2561364 2648061 2851758 2931844 2988258 3530748 4119206 4397766 4482387 5130727 5296122 5703516 5976516 6178809 6596649 8238412 8795532 8964774 9528493 10261454 10592244 12357618 13193298 15392181 17929548 18536427 19056986 20522908 24715236 26386596 28585479 30784362 37072854 38113972 46176543 57170958 61568724 66699451 74145708 85756437 92353086 114341916 123870409 133398902 171512874 184706172 200098353 247740818 266797804 343025748 371611227 400196706 495481636 600295059 743222454 800393412 867092863 1114833681 1200590118 1486444908 1734185726 2229667362 2401180236 2601278589 3468371452 4459334724 5202557178 7803835767 10405114356 15607671534 31215343068
• Sum of all divisors σ(n): 97936159776
• Sum of proper divisors (its aliquot sum) s(n): 66720816708
• 31215343068 is an abundant number, because the sum of its proper divisors (66720816708) is greater than itself. Its abundance is 35505473640

Bases of 31215343068

• Binary: 11101000100100101000101010111011100₂
• Hexadecimal: 0x7449455DC
• Base-36: EC8T4V0

Squares and roots of 31215343068

• 31215343068 squared (31215343068²) is 974397642852935652624
• 31215343068 cubed (31215343068³) is 30416156706304924667586634410432
• The square root of 31215343068 is 176678.6434971697
• The cube root of 31215343068 is 3148.6377940727

Scales and comparisons

• 31,215,343,068 seconds is equal to 992 years, 28 weeks, 4 days, 16 hours, 37 minutes, 48 seconds.
• To count from 1 to 31,215,343,068 would take you about one thousand, nine hundred eighty-five 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 31215343068 cubic inches would be around 262.4 feet tall.

Recreational maths with 31215343068

• 31215343068 backwards is 86034351213
• 31215343068 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31215343068's digits is 36
• More coming soon!