31728420640
31,728,420,640 is an even composite number composed of six prime numbers multiplied together.
31728420640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 31728420640:
25 × 5 × 7 × 31 × 97 × 9421
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 31 × 97 × 9421)See below for interesting mathematical facts about the number 31728420640 from the Numbermatics database.
Names of 31728420640
- Cardinal: 31728420640 can be written as Thirty-one billion, seven hundred twenty-eight million, four hundred twenty thousand, six hundred forty.
Scientific notation
- Scientific notation: 3.172842064 × 1010
Factors of 31728420640
Divisors of 31728420640
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 70 80 97 112 124 140 155 160 194 217 224 248 280 310 388 434 485 496 560 620 679 776 868 970 992 1085 1120 1240 1358 1552 1736 1940 2170 2480 2716 3007 3104 3395 3472 3880 4340 4960 5432 6014 6790 6944 7760 8680 9421 10864 12028 13580 15035 15520 17360 18842 21049 21728 24056 27160 30070 34720 37684 42098 47105 48112 54320 60140 65947 75368 84196 94210 96224 105245 108640 120280 131894 150736 168392 188420 210490 240560 263788 292051 301472 329735 336784 376840 420980 481120 527576 584102 659470 673568 753680 841960 913837 1055152 1168204 1318940 1460255 1507360 1683920 1827674 2044357 2110304 2336408 2637880 2920510 3367840 3655348 4088714 4569185 4672816 5275760 5841020 6396859 7310696 8177428 9138370 9345632 10221785 10551520 11682040 12793718 14621392 16354856 18276740 20443570 23364080 25587436 28328947 29242784 31984295 32709712 36553480 40887140 46728160 51174872 56657894 63968590 65419424 73106960 81774280 102349744 113315788 127937180 141644735 146213920 163548560 198302629 204699488 226631576 255874360 283289470 327097120 396605258 453263152 511748720 566578940 793210516 906526304 991513145 1023497440 1133157880 1586421032 1983026290 2266315760 3172842064 3966052580 4532631520 6345684128 7932105160 15864210320 31728420640
- Sum of all divisors σ(n): 89351313408
- Sum of proper divisors (its aliquot sum) s(n): 57622892768
- 31728420640 is an abundant number, because the sum of its proper divisors (57622892768) is greater than itself. Its abundance is 25894472128
Bases of 31728420640
- Binary: 111011000110010100101000111001000002
- Hexadecimal: 0x763294720
- Base-36: EKQA61S
Squares and roots of 31728420640
- 31728420640 squared (317284206402) is 1006692676308778009600
- 31728420640 cubed (317284206403) is 31940768689132271212970758144000
-
The
square root of 31728420640 is 178124.7333752391 -
The
cube root of 31728420640 is 3165.7952139171
Scales and comparisons
How big is 31728420640?- 31,728,420,640 seconds is equal to 1,008 years, 45 weeks, 2 hours, 10 minutes, 40 seconds.
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To count from 1 to 31,728,420,640 would take you about two thousand and seventeen 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 31728420640 cubic inches would be around 263.8 feet tall.
Recreational maths with 31728420640
- 31728420640 backwards is 04602482713
- The number of decimal digits it has is: 11
- The sum of 31728420640's digits is 37
- More coming soon!
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The information we have on file for 31728420640 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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