21002731520
21,002,731,520 is an even composite number composed of five prime numbers multiplied together.
What does the number 21002731520 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 240 divisors.
21002731520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21002731520:
214 × 5 × 23 × 71 × 157
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 71 × 157)See below for interesting mathematical facts about the number 21002731520 from the Numbermatics database.
Names of 21002731520
- Cardinal: 21002731520 can be written as Twenty-one billion, two million, seven hundred thirty-one thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.100273152 × 1010
Factors of 21002731520
Divisors of 21002731520
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 16 20 23 32 40 46 64 71 80 92 115 128 142 157 160 184 230 256 284 314 320 355 368 460 512 568 628 640 710 736 785 920 1024 1136 1256 1280 1420 1472 1570 1633 1840 2048 2272 2512 2560 2840 2944 3140 3266 3611 3680 4096 4544 5024 5120 5680 5888 6280 6532 7222 7360 8165 8192 9088 10048 10240 11147 11360 11776 12560 13064 14444 14720 16330 16384 18055 18176 20096 20480 22294 22720 23552 25120 26128 28888 29440 32660 36110 36352 40192 40960 44588 45440 47104 50240 52256 55735 57776 58880 65320 72220 72704 80384 81920 89176 90880 94208 100480 104512 111470 115552 117760 130640 144440 145408 160768 178352 181760 188416 200960 209024 222940 231104 235520 256381 261280 288880 290816 321536 356704 363520 376832 401920 418048 445880 462208 471040 512762 522560 577760 581632 643072 713408 727040 803840 836096 891760 924416 942080 1025524 1045120 1155520 1163264 1281905 1286144 1426816 1454080 1607680 1672192 1783520 1848832 1884160 2051048 2090240 2311040 2563810 2572288 2853632 2908160 3215360 3344384 3567040 3697664 4102096 4180480 4622080 5127620 5707264 5816320 6430720 6688768 7134080 7395328 8204192 8360960 9244160 10255240 11414528 12861440 13377536 14268160 14790656 16408384 16721920 18488320 20510480 22829056 26755072 28536320 29581312 32816768 33443840 36976640 41020960 45658112 57072640 59162624 65633536 66887680 73953280 82041920 91316224 114145280 131267072 133775360 147906560 164083840 182632448 228290560 262534144 295813120 328167680 456581120 525068288 656335360 913162240 1050136576 1312670720 2100273152 2625341440 4200546304 5250682880 10501365760 21002731520
- Sum of all divisors σ(n): 53677064448
- Sum of proper divisors (its aliquot sum) s(n): 32674332928
- 21002731520 is an abundant number, because the sum of its proper divisors (32674332928) is greater than itself. Its abundance is 11671601408
Bases of 21002731520
- Binary: 100111000111101110001000000000000002
- Hexadecimal: 0x4E3DC4000
- Base-36: 9NCHFCW
Squares and roots of 21002731520
- 21002731520 squared (210027315202) is 441114731301201510400
- 21002731520 cubed (210027315203) is 9264614271036075576349687808000
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The
square root of 21002731520 is 144923.1917948263 -
The
cube root of 21002731520 is 2759.0437911405
Scales and comparisons
How big is 21002731520?- 21,002,731,520 seconds is equal to 667 years, 42 weeks, 5 days, 4 hours, 5 minutes, 20 seconds.
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To count from 1 to 21,002,731,520 would take you about one thousand, three hundred thirty-five 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 21002731520 cubic inches would be around 229.9 feet tall.
Recreational maths with 21002731520
- 21002731520 backwards is 02513720012
- 21002731520 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21002731520's digits is 23
- More coming soon!
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"Number 21002731520 - Facts about the integer". Numbermatics.com. 2024. Web. 15 June 2024.
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Numbermatics. (2024). Number 21002731520 - Facts about the integer. Retrieved 15 June 2024, from https://numbermatics.com/n/21002731520/
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