72214240
72,214,240 is an even composite number composed of five prime numbers multiplied together.
72214240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 72214240:
25 × 5 × 72 × 61 × 151
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 61 × 151)See below for interesting mathematical facts about the number 72214240 from the Numbermatics database.
Names of 72214240
- Cardinal: 72214240 can be written as Seventy-two million, two hundred fourteen thousand, two hundred forty.
Scientific notation
- Scientific notation: 7.221424 × 107
Factors of 72214240
Divisors of 72214240
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 61 70 80 98 112 122 140 151 160 196 224 244 245 280 302 305 392 427 488 490 560 604 610 755 784 854 976 980 1057 1120 1208 1220 1510 1568 1708 1952 1960 2114 2135 2416 2440 2989 3020 3416 3920 4228 4270 4832 4880 5285 5978 6040 6832 7399 7840 8456 8540 9211 9760 10570 11956 12080 13664 14798 14945 16912 17080 18422 21140 23912 24160 29596 29890 33824 34160 36844 36995 42280 46055 47824 59192 59780 64477 68320 73688 73990 84560 92110 95648 118384 119560 128954 147376 147980 169120 184220 236768 239120 257908 294752 295960 322385 368440 451339 478240 515816 591920 644770 736880 902678 1031632 1183840 1289540 1473760 1805356 2063264 2256695 2579080 3610712 4513390 5158160 7221424 9026780 10316320 14442848 18053560 36107120 72214240
- Sum of all divisors σ(n): 203049504
- Sum of proper divisors (its aliquot sum) s(n): 130835264
- 72214240 is an abundant number, because the sum of its proper divisors (130835264) is greater than itself. Its abundance is 58621024
Bases of 72214240
- Binary: 1000100110111100110111000002
- Hexadecimal: 0x44DE6E0
- Base-36: 16ZSV4
Squares and roots of 72214240
- 72214240 squared (722142402) is 5214896458777600
- 72214240 cubed (722142403) is 376589784449315713024000
-
The
square root of 72214240 is 8497.8962102393 -
The
cube root of 72214240 is 416.4289830191
Scales and comparisons
How big is 72214240?- 72,214,240 seconds is equal to 2 years, 15 weeks, 2 days, 19 hours, 30 minutes, 40 seconds.
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To count from 1 to 72,214,240 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 72214240 cubic inches would be around 34.7 feet tall.
Recreational maths with 72214240
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