21215070720
21,215,070,720 is an even composite number composed of five prime numbers multiplied together.
21215070720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21215070720:
29 × 33 × 5 × 31 × 9901
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 31 × 9901)See below for interesting mathematical facts about the number 21215070720 from the Numbermatics database.
Names of 21215070720
- Cardinal: 21215070720 can be written as Twenty-one billion, two hundred fifteen million, seventy thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.121507072 × 1010
Factors of 21215070720
Divisors of 21215070720
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 32 36 40 45 48 54 60 62 64 72 80 90 93 96 108 120 124 128 135 144 155 160 180 186 192 216 240 248 256 270 279 288 310 320 360 372 384 432 465 480 496 512 540 558 576 620 640 720 744 768 837 864 930 960 992 1080 1116 1152 1240 1280 1395 1440 1488 1536 1674 1728 1860 1920 1984 2160 2232 2304 2480 2560 2790 2880 2976 3348 3456 3720 3840 3968 4185 4320 4464 4608 4960 5580 5760 5952 6696 6912 7440 7680 7936 8370 8640 8928 9901 9920 11160 11520 11904 13392 13824 14880 15872 16740 17280 17856 19802 19840 22320 23040 23808 26784 29703 29760 33480 34560 35712 39604 39680 44640 47616 49505 53568 59406 59520 66960 69120 71424 79208 79360 89109 89280 99010 107136 118812 119040 133920 142848 148515 158416 178218 178560 198020 214272 237624 238080 267327 267840 297030 306931 316832 356436 357120 396040 428544 445545 475248 534654 535680 594060 613862 633664 712872 714240 792080 891090 920793 950496 1069308 1071360 1188120 1227724 1267328 1336635 1425744 1534655 1584160 1782180 1841586 1900992 2138616 2142720 2376240 2455448 2534656 2673270 2762379 2851488 3069310 3168320 3564360 3683172 3801984 4277232 4603965 4752480 4910896 5069312 5346540 5524758 5702976 6138620 6336640 7128720 7366344 7603968 8287137 8554464 9207930 9504960 9821792 10693080 11049516 11405952 12277240 12673280 13811895 14257440 14732688 15207936 16574274 17108928 18415860 19009920 19643584 21386160 22099032 22811904 24554480 25346560 27623790 28514880 29465376 33148548 34217856 36831720 38019840 39287168 41435685 42772320 44198064 45623808 49108960 55247580 57029760 58930752 66297096 68435712 73663440 76039680 78574336 82871370 85544640 88396128 98217920 110495160 114059520 117861504 132594192 136871424 147326880 157148672 165742740 171089280 176792256 196435840 220990320 228119040 235723008 265188384 294653760 331485480 342178560 353584512 392871680 441980640 471446016 530376768 589307520 662970960 684357120 707169024 785743360 883961280 1060753536 1178615040 1325941920 1414338048 1767922560 2121507072 2357230080 2651883840 3535845120 4243014144 5303767680 7071690240 10607535360 21215070720
- Sum of all divisors σ(n): 77796449280
- Sum of proper divisors (its aliquot sum) s(n): 56581378560
- 21215070720 is an abundant number, because the sum of its proper divisors (56581378560) is greater than itself. Its abundance is 35366307840
Bases of 21215070720
- Binary: 100111100001000010001001010000000002
- Hexadecimal: 0x4F0844A00
- Base-36: 9QUWLC0
Squares and roots of 21215070720
- 21215070720 squared (212150707202) is 450079225654601318400
- 21215070720 cubed (212150707203) is 9548462601865205263261237248000
-
The
square root of 21215070720 is 145653.9416562421 -
The
cube root of 21215070720 is 2768.3106782605
Scales and comparisons
How big is 21215070720?- 21,215,070,720 seconds is equal to 674 years, 29 weeks, 5 days, 19 hours, 12 minutes.
-
To count from 1 to 21,215,070,720 would take you about one thousand, three hundred forty-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 21215070720 cubic inches would be around 230.7 feet tall.
Recreational maths with 21215070720
- 21215070720 backwards is 02707051212
- 21215070720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21215070720's digits is 27
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 21215070720 - Facts about the integer". Numbermatics.com. 2024. Web. 14 May 2024.
APA style:
Numbermatics. (2024). Number 21215070720 - Facts about the integer. Retrieved 14 May 2024, from https://numbermatics.com/n/21215070720/
Chicago style:
Numbermatics. 2024. "Number 21215070720 - Facts about the integer". https://numbermatics.com/n/21215070720/
The information we have on file for 21215070720 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!
Keywords: Divisors of 21215070720, math, Factors of 21215070720, curriculum, school, college, exams, university, Prime factorization of 21215070720, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, two hundred fifteen million, seventy thousand, seven hundred twenty.