21513765000
21,513,765,000 is an even composite number composed of six prime numbers multiplied together.
21513765000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21513765000:
23 × 3 × 54 × 7 × 13 × 15761
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 7 × 13 × 15761)See below for interesting mathematical facts about the number 21513765000 from the Numbermatics database.
Names of 21513765000
- Cardinal: 21513765000 can be written as Twenty-one billion, five hundred thirteen million, seven hundred sixty-five thousand.
Scientific notation
- Scientific notation: 2.1513765 × 1010
Factors of 21513765000
Divisors of 21513765000
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 25 26 28 30 35 39 40 42 50 52 56 60 65 70 75 78 84 91 100 104 105 120 125 130 140 150 156 168 175 182 195 200 210 250 260 273 280 300 312 325 350 364 375 390 420 455 500 520 525 546 600 625 650 700 728 750 780 840 875 910 975 1000 1050 1092 1250 1300 1365 1400 1500 1560 1625 1750 1820 1875 1950 2100 2184 2275 2500 2600 2625 2730 3000 3250 3500 3640 3750 3900 4200 4375 4550 4875 5000 5250 5460 6500 6825 7000 7500 7800 8125 8750 9100 9750 10500 10920 11375 13000 13125 13650 15000 15761 16250 17500 18200 19500 21000 22750 24375 26250 27300 31522 32500 34125 35000 39000 45500 47283 48750 52500 54600 56875 63044 65000 68250 78805 91000 94566 97500 105000 110327 113750 126088 136500 157610 170625 189132 195000 204893 220654 227500 236415 273000 315220 330981 341250 378264 394025 409786 441308 455000 472830 551635 614679 630440 661962 682500 788050 819572 882616 945660 1024465 1103270 1182075 1229358 1323924 1365000 1434251 1576100 1639144 1654905 1891320 1970125 2048930 2206540 2364150 2458716 2647848 2758175 2868502 3073395 3152200 3309810 3940250 4097860 4302753 4413080 4728300 4917432 5122325 5516350 5737004 5910375 6146790 6619620 7171255 7880500 8195720 8274525 8605506 9456600 9850625 10244650 11032700 11474008 11820750 12293580 13239240 13790875 14342510 15366975 15761000 16549050 17211012 19701250 20489300 21513765 22065400 23641500 24587160 25611625 27581750 28685020 29551875 30733950 33098100 34422024 35856275 39402500 40978600 41372625 43027530 47283000 51223250 55163500 57370040 59103750 61467900 66196200 68954375 71712550 76834875 78805000 82745250 86055060 102446500 107568825 110327000 118207500 122935800 128058125 137908750 143425100 153669750 165490500 172110120 179281375 204893000 206863125 215137650 236415000 256116250 275817500 286850200 307339500 330981000 358562750 384174375 413726250 430275300 512232500 537844125 551635000 614679000 717125500 768348750 827452500 860550600 896406875 1024465000 1075688250 1434251000 1536697500 1654905000 1792813750 2151376500 2689220625 3073395000 3585627500 4302753000 5378441250 7171255000 10756882500 21513765000
- Sum of all divisors σ(n): 82724019840
- Sum of proper divisors (its aliquot sum) s(n): 61210254840
- 21513765000 is an abundant number, because the sum of its proper divisors (61210254840) is greater than itself. Its abundance is 39696489840
Bases of 21513765000
- Binary: 101000000100101001000000000100010002
- Hexadecimal: 0x502520088
- Base-36: 9VSQNBC
Squares and roots of 21513765000
- 21513765000 squared (215137650002) is 462842084475225000000
- 21513765000 cubed (215137650003) is 9957475837510138972125000000000
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The
square root of 21513765000 is 146675.7137361193 -
The
cube root of 21513765000 is 2781.2421773125
Scales and comparisons
How big is 21513765000?- 21,513,765,000 seconds is equal to 684 years, 3 weeks, 4 days, 21 hours, 50 minutes.
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To count from 1 to 21,513,765,000 would take you about one thousand, three hundred sixty-eight 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 21513765000 cubic inches would be around 231.8 feet tall.
Recreational maths with 21513765000
- 21513765000 backwards is 00056731512
- 21513765000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21513765000's digits is 30
- More coming soon!
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