21135559680
21,135,559,680 is an even composite number composed of five prime numbers multiplied together.
21135559680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 21135559680:
210 × 32 × 5 × 523 × 877
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 523 × 877)See below for interesting mathematical facts about the number 21135559680 from the Numbermatics database.
Names of 21135559680
- Cardinal: 21135559680 can be written as Twenty-one billion, one hundred thirty-five million, five hundred fifty-nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.113555968 × 1010
Factors of 21135559680
Divisors of 21135559680
- Number of divisors d(n): 264
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 523 576 640 720 768 877 960 1024 1046 1152 1280 1440 1536 1569 1754 1920 2092 2304 2560 2615 2631 2880 3072 3138 3508 3840 4184 4385 4608 4707 5120 5230 5262 5760 6276 7016 7680 7845 7893 8368 8770 9216 9414 10460 10524 11520 12552 13155 14032 15360 15690 15786 16736 17540 18828 20920 21048 23040 23535 25104 26310 28064 31380 31572 33472 35080 37656 39465 41840 42096 46080 47070 50208 52620 56128 62760 63144 66944 70160 75312 78930 83680 84192 94140 100416 105240 112256 125520 126288 133888 140320 150624 157860 167360 168384 188280 200832 210480 224512 251040 252576 267776 280640 301248 315720 334720 336768 376560 401664 420960 449024 458671 502080 505152 535552 561280 602496 631440 669440 673536 753120 803328 841920 898048 917342 1004160 1010304 1122560 1204992 1262880 1338880 1347072 1376013 1506240 1606656 1683840 1834684 2008320 2020608 2245120 2293355 2409984 2525760 2677760 2694144 2752026 3012480 3367680 3669368 4016640 4041216 4128039 4490240 4586710 4819968 5051520 5504052 6024960 6735360 6880065 7338736 8033280 8082432 8256078 9173420 10103040 11008104 12049920 13470720 13760130 14677472 16512156 18346840 20206080 20640195 22016208 24099840 27520260 29354944 33024312 36693680 40412160 41280390 44032416 55040520 58709888 66048624 73387360 82560780 88064832 110081040 117419776 132097248 146774720 165121560 176129664 220162080 234839552 264194496 293549440 330243120 352259328 440324160 469679104 528388992 587098880 660486240 704518656 880648320 1056777984 1174197760 1320972480 1409037312 1761296640 2113555968 2348395520 2641944960 3522593280 4227111936 5283889920 7045186560 10567779840 21135559680
- Sum of all divisors σ(n): 73457855952
- Sum of proper divisors (its aliquot sum) s(n): 52322296272
- 21135559680 is an abundant number, because the sum of its proper divisors (52322296272) is greater than itself. Its abundance is 31186736592
Bases of 21135559680
- Binary: 100111010111100011100001100000000002
- Hexadecimal: 0x4EBC70C00
- Base-36: 9PJKE80
Squares and roots of 21135559680
- 21135559680 squared (211355596802) is 446711882986841702400
- 21135559680 cubed (211355596803) is 9441505662633569455787999232000
-
The
square root of 21135559680 is 145380.7404025717 -
The
cube root of 21135559680 is 2764.8479383407
Scales and comparisons
How big is 21135559680?- 21,135,559,680 seconds is equal to 672 years, 2 weeks, 2 days, 12 hours, 48 minutes.
-
To count from 1 to 21,135,559,680 would take you about one thousand, three hundred forty-four 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 21135559680 cubic inches would be around 230.4 feet tall.
Recreational maths with 21135559680
- 21135559680 backwards is 08695553112
- 21135559680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21135559680's digits is 45
- More coming soon!
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