72112980

Names of 72112980

• Cardinal: 72112980 can be written as Seventy-two million, one hundred twelve thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 7.211298 × 10⁷

Factors of 72112980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 107

Divisors of 72112980

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 17 19 20 30 34 38 51 57 60 61 68 76 85 95 102 114 122 170 183 190 204 228 244 255 285 305 323 340 366 380 510 570 610 646 732 915 969 1020 1037 1140 1159 1220 1292 1615 1830 1938 2074 2318 3111 3230 3477 3660 3721 3876 4148 4636 4845 5185 5795 6222 6460 6954 7442 9690 10370 11163 11590 12444 13908 14884 15555 17385 18605 19380 19703 20740 22326 23180 31110 34770 37210 39406 44652 55815 59109 62220 63257 69540 70699 74420 78812 98515 111630 118218 126514 141398 189771 197030 212097 223260 236436 253028 282796 295545 316285 353495 379542 394060 424194 591090 632570 706990 759084 848388 948855 1060485 1182180 1201883 1265140 1413980 1897710 2120970 2403766 3605649 3795420 4241940 4807532 6009415 7211298 12018830 14422596 18028245 24037660 36056490 72112980
• Sum of all divisors σ(n): 228795840
• Sum of proper divisors (its aliquot sum) s(n): 156682860
• 72112980 is an abundant number, because the sum of its proper divisors (156682860) is greater than itself. Its abundance is 84569880

Bases of 72112980

• Binary: 100010011000101101101010100₂
• Hexadecimal: 0x44C5B54
• Base-36: 16XMQC

Squares and roots of 72112980

• 72112980 squared (72112980²) is 5200281884480400
• 72112980 cubed (72112980³) is 375007823529897395592000
• The square root of 72112980 is 8491.9361749839
• The cube root of 72112980 is 416.2342507727

Scales and comparisons

• 72,112,980 seconds is equal to 2 years, 15 weeks, 1 day, 15 hours, 23 minutes.
• To count from 1 to 72,112,980 would take you about three 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 72112980 cubic inches would be around 34.7 feet tall.

Recreational maths with 72112980

• 72112980 backwards is 08921127
• 72112980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 72112980's digits is 30
• More coming soon!