30613968

Names of 30613968

• Cardinal: 30613968 can be written as Thirty million, six hundred thirteen thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.0613968 × 10⁷

Factors of 30613968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 274

Divisors of 30613968

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 33 36 42 44 48 56 63 66 72 77 84 88 99 112 121 126 132 144 154 168 176 198 231 242 251 252 264 308 336 363 396 462 484 502 504 528 616 693 726 753 792 847 924 968 1004 1008 1089 1232 1386 1452 1506 1584 1694 1757 1848 1936 2008 2178 2259 2541 2761 2772 2904 3012 3388 3514 3696 4016 4356 4518 5082 5271 5522 5544 5808 6024 6776 7028 7623 8283 8712 9036 10164 10542 11044 11088 12048 13552 14056 15246 15813 16566 17424 18072 19327 20328 21084 22088 24849 28112 30371 30492 31626 33132 36144 38654 40656 42168 44176 49698 57981 60742 60984 63252 66264 77308 84336 91113 99396 115962 121484 121968 126504 132528 154616 173943 182226 198792 212597 231924 242968 253008 273339 309232 347886 364452 397584 425194 463848 485936 546678 637791 695772 728904 850388 927696 1093356 1275582 1391544 1457808 1700776 1913373 2186712 2551164 2783088 3401552 3826746 4373424 5102328 7653492 10204656 15306984 30613968
• Sum of all divisors σ(n): 108055584
• Sum of proper divisors (its aliquot sum) s(n): 77441616
• 30613968 is an abundant number, because the sum of its proper divisors (77441616) is greater than itself. Its abundance is 46827648

Bases of 30613968

• Binary: 1110100110010000111010000₂
• Hexadecimal: 0x1D321D0
• Base-36: I85W0

Squares and roots of 30613968

• 30613968 squared (30613968²) is 937215036705024
• 30613968 cubed (30613968³) is 28691871142806430175232
• The square root of 30613968 is 5532.9890655955
• The cube root of 30613968 is 312.8286649859

Scales and comparisons

• 30,613,968 seconds is equal to 50 weeks, 4 days, 7 hours, 52 minutes, 48 seconds.
• To count from 1 to 30,613,968 would take you about twenty-three weeks!

  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 30613968 cubic inches would be around 26.1 feet tall.

Recreational maths with 30613968

• 30613968 backwards is 86931603
• 30613968 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30613968's digits is 36
• More coming soon!