21379445760
21,379,445,760 is an even composite number composed of six prime numbers multiplied together.
21379445760 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred fifty-two divisors.
Prime factorization of 21379445760:
210 × 3 × 5 × 23 × 73 × 829
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 23 × 73 × 829)See below for interesting mathematical facts about the number 21379445760 from the Numbermatics database.
Names of 21379445760
- Cardinal: 21379445760 can be written as Twenty-one billion, three hundred seventy-nine million, four hundred forty-five thousand, seven hundred sixty.
Scientific notation
- Scientific notation: 2.137944576 × 1010
Factors of 21379445760
Divisors of 21379445760
- Number of divisors d(n): 352
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 73 80 92 96 115 120 128 138 146 160 184 192 219 230 240 256 276 292 320 345 365 368 384 438 460 480 512 552 584 640 690 730 736 768 829 876 920 960 1024 1095 1104 1168 1280 1380 1460 1472 1536 1658 1679 1752 1840 1920 2190 2208 2336 2487 2560 2760 2920 2944 3072 3316 3358 3504 3680 3840 4145 4380 4416 4672 4974 5037 5120 5520 5840 5888 6632 6716 7008 7360 7680 8290 8395 8760 8832 9344 9948 10074 11040 11680 11776 12435 13264 13432 14016 14720 15360 16580 16790 17520 17664 18688 19067 19896 20148 22080 23360 23552 24870 25185 26528 26864 28032 29440 33160 33580 35040 35328 37376 38134 39792 40296 44160 46720 49740 50370 53056 53728 56064 57201 58880 60517 66320 67160 70080 70656 74752 76268 79584 80592 88320 93440 95335 99480 100740 106112 107456 112128 114402 117760 121034 132640 134320 140160 152536 159168 161184 176640 181551 186880 190670 198960 201480 212224 214912 224256 228804 242068 265280 268640 280320 286005 302585 305072 318336 322368 353280 363102 373760 381340 397920 402960 424448 429824 457608 484136 530560 537280 560640 572010 605170 610144 636672 644736 726204 762680 795840 805920 848896 859648 907755 915216 968272 1061120 1074560 1121280 1144020 1210340 1220288 1273344 1289472 1391891 1452408 1525360 1591680 1611840 1719296 1815510 1830432 1936544 2122240 2149120 2288040 2420680 2440576 2546688 2578944 2783782 2904816 3050720 3183360 3223680 3631020 3660864 3873088 4175673 4244480 4298240 4576080 4841360 4881152 5157888 5567564 5809632 6101440 6366720 6447360 6959455 7262040 7321728 7746176 8351346 8596480 9152160 9682720 9762304 11135128 11619264 12202880 12733440 12894720 13918910 14524080 14643456 15492352 16702692 18304320 19365440 19524608 20878365 22270256 23238528 24405760 25789440 27837820 29048160 29286912 30984704 33405384 36608640 38730880 41756730 44540512 46477056 48811520 55675640 58096320 58573824 61969408 66810768 73217280 77461760 83513460 89081024 92954112 97623040 111351280 116192640 133621536 146434560 154923520 167026920 178162048 185908224 222702560 232385280 267243072 292869120 309847040 334053840 356324096 445405120 464770560 534486144 668107680 712648192 890810240 929541120 1068972288 1336215360 1425296384 1781620480 2137944576 2672430720 3563240960 4275889152 5344861440 7126481920 10689722880 21379445760
- Sum of all divisors σ(n): 72418602240
- Sum of proper divisors (its aliquot sum) s(n): 51039156480
- 21379445760 is an abundant number, because the sum of its proper divisors (51039156480) is greater than itself. Its abundance is 29659710720
Bases of 21379445760
- Binary: 100111110100101000001110100000000002
- Hexadecimal: 0x4FA507400
- Base-36: 9TKRPXC
Squares and roots of 21379445760
- 21379445760 squared (213794457602) is 457080701004781977600
- 21379445760 cubed (213794457603) is 9772132055074513790724734976000
-
The
square root of 21379445760 is 146217.1185600373 -
The
cube root of 21379445760 is 2775.4419450331
Scales and comparisons
How big is 21379445760?- 21,379,445,760 seconds is equal to 679 years, 41 weeks, 4 days, 6 hours, 56 minutes.
-
To count from 1 to 21,379,445,760 would take you about one thousand, three hundred fifty-nine 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 21379445760 cubic inches would be around 231.3 feet tall.
Recreational maths with 21379445760
- 21379445760 backwards is 06754497312
- 21379445760 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21379445760's digits is 48
- More coming soon!
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