72139914

Names of 72139914

• Cardinal: 72139914 can be written as Seventy-two million, one hundred thirty-nine thousand, nine hundred fourteen.

Scientific notation

• Scientific notation: 7.2139914 × 10⁷

Factors of 72139914

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 150

Divisors of 72139914

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 23 31 33 42 46 62 63 66 69 73 77 93 99 126 138 146 154 161 186 198 207 217 219 231 253 279 322 341 414 434 438 462 483 506 511 558 651 657 682 693 713 759 803 966 1022 1023 1302 1314 1386 1426 1449 1518 1533 1606 1679 1771 1953 2046 2139 2263 2277 2387 2409 2898 3066 3069 3358 3542 3906 4278 4526 4554 4599 4774 4818 4991 5037 5313 5621 6138 6417 6789 7161 7227 7843 9198 9982 10074 10626 11242 11753 12834 13578 14322 14454 14973 15111 15686 15841 15939 16863 18469 20367 21483 23506 23529 24893 29946 30222 31682 31878 33726 35259 36938 40734 42966 44919 47058 47523 49786 50589 52049 54901 55407 70518 70587 74679 89838 95046 101178 104098 105777 109802 110814 129283 141174 142569 149358 156147 164703 166221 174251 211554 224037 258566 285138 312294 329406 332442 348502 364343 387849 448074 468441 494109 522753 572539 728686 775698 936882 988218 1045506 1093029 1145078 1163547 1568259 1717617 2186058 2327094 3136518 3279087 3435234 4007773 5152851 6558174 8015546 10305702 12023319 24046638 36069957 72139914
• Sum of all divisors σ(n): 212779008
• Sum of proper divisors (its aliquot sum) s(n): 140639094
• 72139914 is an abundant number, because the sum of its proper divisors (140639094) is greater than itself. Its abundance is 68499180

Bases of 72139914

• Binary: 100010011001100010010001010₂
• Hexadecimal: 0x44CC48A
• Base-36: 16Y7II

Squares and roots of 72139914

• 72139914 squared (72139914²) is 5204167191927396
• 72139914 cubed (72139914³) is 375428173667263841683944
• The square root of 72139914 is 8493.5218843539
• The cube root of 72139914 is 416.2860651055

Scales and comparisons

• 72,139,914 seconds is equal to 2 years, 15 weeks, 1 day, 22 hours, 51 minutes, 54 seconds.
• To count from 1 to 72,139,914 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 72139914 cubic inches would be around 34.7 feet tall.

Recreational maths with 72139914

• 72139914 backwards is 41993127
• The number of decimal digits it has is: 8
• The sum of 72139914's digits is 36
• More coming soon!