680745520
680,745,520 is an even composite number composed of five prime numbers multiplied together.
680745520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 680745520:
24 × 5 × 7 × 132 × 7193
(2 × 2 × 2 × 2 × 5 × 7 × 13 × 13 × 7193)See below for interesting mathematical facts about the number 680745520 from the Numbermatics database.
Names of 680745520
- Cardinal: 680745520 can be written as Six hundred eighty million, seven hundred forty-five thousand, five hundred twenty.
Scientific notation
- Scientific notation: 6.8074552 × 108
Factors of 680745520
Divisors of 680745520
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 169 182 208 260 280 338 364 455 520 560 676 728 845 910 1040 1183 1352 1456 1690 1820 2366 2704 3380 3640 4732 5915 6760 7193 7280 9464 11830 13520 14386 18928 23660 28772 35965 47320 50351 57544 71930 93509 94640 100702 115088 143860 187018 201404 251755 287720 374036 402808 467545 503510 575440 654563 748072 805616 935090 1007020 1215617 1309126 1496144 1870180 2014040 2431234 2618252 3272815 3740360 4028080 4862468 5236504 6078085 6545630 7480720 8509319 9724936 10473008 12156170 13091260 17018638 19449872 24312340 26182520 34037276 42546595 48624680 52365040 68074552 85093190 97249360 136149104 170186380 340372760 680745520
- Sum of all divisors σ(n): 1958954976
- Sum of proper divisors (its aliquot sum) s(n): 1278209456
- 680745520 is an abundant number, because the sum of its proper divisors (1278209456) is greater than itself. Its abundance is 597463936
Bases of 680745520
- Binary: 1010001001001101011010001100002
- Hexadecimal: 0x28935A30
- Base-36: B9AQLS
Squares and roots of 680745520
- 680745520 squared (6807455202) is 463414463000070400
- 680745520 cubed (6807455203) is 315467319590503684484608000
-
The
square root of 680745520 is 26091.1003984119 -
The
cube root of 680745520 is 879.6871822025
Scales and comparisons
How big is 680745520?- 680,745,520 seconds is equal to 21 years, 33 weeks, 3 days, 23 hours, 58 minutes, 40 seconds.
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To count from 1 to 680,745,520 would take you about thirty-two 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 680745520 cubic inches would be around 73.3 feet tall.
Recreational maths with 680745520
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