21071708280
21,071,708,280 is an even composite number composed of six prime numbers multiplied together.
21071708280 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21071708280:
23 × 33 × 5 × 7 × 191 × 14593
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 191 × 14593)See below for interesting mathematical facts about the number 21071708280 from the Numbermatics database.
Names of 21071708280
- Cardinal: 21071708280 can be written as Twenty-one billion, seventy-one million, seven hundred eight thousand, two hundred eighty.
Scientific notation
- Scientific notation: 2.107170828 × 1010
Factors of 21071708280
Divisors of 21071708280
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 120 126 135 140 168 180 189 191 210 216 252 270 280 315 360 378 382 420 504 540 573 630 756 764 840 945 955 1080 1146 1260 1337 1512 1528 1719 1890 1910 2292 2520 2674 2865 3438 3780 3820 4011 4584 5157 5348 5730 6685 6876 7560 7640 8022 8595 10314 10696 11460 12033 13370 13752 14593 16044 17190 20055 20628 22920 24066 25785 26740 29186 32088 34380 36099 40110 41256 43779 48132 51570 53480 58372 60165 68760 72198 72965 80220 87558 96264 102151 103140 116744 120330 131337 144396 145930 160440 175116 180495 204302 206280 218895 240660 262674 288792 291860 306453 350232 360990 394011 408604 437790 481320 510755 525348 583720 612906 656685 721980 788022 817208 875580 919359 1021510 1050696 1225812 1313370 1443960 1532265 1576044 1751160 1838718 1970055 2043020 2451624 2626740 2758077 2787263 3064530 3152088 3677436 3940110 4086040 4596795 5253480 5516154 5574526 6129060 7354872 7880220 8361789 9193590 11032308 11149052 12258120 13790385 13936315 15760440 16723578 18387180 19510841 22064616 22298104 25085367 27580770 27872630 33447156 36774360 39021682 41808945 50170734 55161540 55745260 58532523 66894312 75256101 78043364 83617890 97554205 100341468 110323080 111490520 117065046 125426835 150512202 156086728 167235780 175597569 195108410 200682936 234130092 250853670 292662615 301024404 334471560 351195138 376280505 390216820 468260184 501707340 526792707 585325230 602048808 702390276 752561010 780433640 877987845 1003414680 1053585414 1170650460 1404780552 1505122020 1755975690 2107170828 2341300920 2633963535 3010244040 3511951380 4214341656 5267927070 7023902760 10535854140 21071708280
- Sum of all divisors σ(n): 80698982400
- Sum of proper divisors (its aliquot sum) s(n): 59627274120
- 21071708280 is an abundant number, because the sum of its proper divisors (59627274120) is greater than itself. Its abundance is 38555565840
Bases of 21071708280
- Binary: 100111001111111100011000000011110002
- Hexadecimal: 0x4E7F8C078
- Base-36: 9OHJU60
Squares and roots of 21071708280
- 21071708280 squared (210717082802) is 444016889837420558400
- 21071708280 cubed (210717082803) is 9356194374047022634279503552000
-
The
square root of 21071708280 is 145160.9736809449 -
The
cube root of 21071708280 is 2762.0608898637
Scales and comparisons
How big is 21071708280?- 21,071,708,280 seconds is equal to 670 years, 5 days, 12 hours, 18 minutes.
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To count from 1 to 21,071,708,280 would take you about one thousand, three hundred forty 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 21071708280 cubic inches would be around 230.2 feet tall.
Recreational maths with 21071708280
- 21071708280 backwards is 08280717012
- 21071708280 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21071708280's digits is 36
- More coming soon!
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