30985968

Names of 30985968

• Cardinal: 30985968 can be written as Thirty million, nine hundred eighty-five thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.0985968 × 10⁷

Factors of 30985968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 185

Divisors of 30985968

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 23 24 26 34 39 46 48 51 52 68 69 78 92 102 104 127 136 138 156 184 204 208 221 254 272 276 299 312 368 381 391 408 442 508 552 598 624 663 762 782 816 884 897 1016 1104 1173 1196 1326 1524 1564 1651 1768 1794 2032 2159 2346 2392 2652 2921 3048 3128 3302 3536 3588 4318 4692 4784 4953 5083 5304 5842 6096 6256 6477 6604 7176 8636 8763 9384 9906 10166 10608 11684 12954 13208 14352 15249 17272 17526 18768 19812 20332 23368 25908 26416 28067 30498 34544 35052 37973 39624 40664 46736 49657 51816 56134 60996 70104 75946 79248 81328 84201 99314 103632 112268 113919 121992 140208 148971 151892 168402 198628 224536 227838 243984 297942 303784 336804 397256 449072 455676 595884 607568 645541 673608 794512 911352 1191768 1291082 1347216 1822704 1936623 2383536 2582164 3873246 5164328 7746492 10328656 15492984 30985968
• Sum of all divisors σ(n): 95993856
• Sum of proper divisors (its aliquot sum) s(n): 65007888
• 30985968 is an abundant number, because the sum of its proper divisors (65007888) is greater than itself. Its abundance is 34021920

Bases of 30985968

• Binary: 1110110001100111011110000₂
• Hexadecimal: 0x1D8CEF0
• Base-36: IG4XC

Squares and roots of 30985968

• 30985968 squared (30985968²) is 960130212897024
• 30985968 cubed (30985968³) is 29750564052660372959232
• The square root of 30985968 is 5566.5041094029
• The cube root of 30985968 is 314.0906603941

Scales and comparisons

• 30,985,968 seconds is equal to 51 weeks, 1 day, 15 hours, 12 minutes, 48 seconds.
• To count from 1 to 30,985,968 would take you about twenty-four 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 30985968 cubic inches would be around 26.2 feet tall.

Recreational maths with 30985968

• 30985968 backwards is 86958903
• 30985968 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30985968's digits is 48
• More coming soon!