21081836440
21,081,836,440 is an even composite number composed of six prime numbers multiplied together.
21081836440 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 21081836440:
23 × 5 × 74 × 31 × 73 × 97
(2 × 2 × 2 × 5 × 7 × 7 × 7 × 7 × 31 × 73 × 97)See below for interesting mathematical facts about the number 21081836440 from the Numbermatics database.
Names of 21081836440
- Cardinal: 21081836440 can be written as Twenty-one billion, eighty-one million, eight hundred thirty-six thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.108183644 × 1010
Factors of 21081836440
Divisors of 21081836440
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 31 35 40 49 56 62 70 73 97 98 124 140 146 155 194 196 217 245 248 280 292 310 343 365 388 392 434 485 490 511 584 620 679 686 730 776 868 970 980 1022 1085 1240 1358 1372 1460 1519 1715 1736 1940 1960 2044 2170 2263 2401 2555 2716 2744 2920 3007 3038 3395 3430 3577 3880 4088 4340 4526 4753 4802 5110 5432 6014 6076 6790 6860 7081 7154 7595 8680 9052 9506 9604 10220 10633 11315 12005 12028 12152 13580 13720 14162 14308 15035 15190 15841 17885 18104 19012 19208 20440 21049 21266 22630 23765 24010 24056 25039 27160 28324 28616 30070 30380 31682 33271 35405 35770 38024 42098 42532 45260 47530 48020 49567 50078 53165 56648 60140 60760 63364 66542 70810 71540 74431 79205 84196 85064 90520 95060 96040 99134 100156 105245 106330 110887 120280 125195 126728 133084 141620 143080 147343 148862 158410 166355 168392 175273 190120 198268 200312 210490 212660 219511 221774 232897 247835 250390 266168 283240 294686 297724 316820 332710 346969 350546 372155 396536 420980 425320 439022 443548 465794 495670 500780 554435 589372 595448 633640 665420 693938 701092 736715 744310 776209 841960 876365 878044 887096 931588 991340 1001560 1031401 1097555 1108870 1164485 1178744 1330840 1387876 1402184 1473430 1488620 1536577 1552418 1734845 1752730 1756088 1863176 1982680 2062802 2195110 2217740 2328970 2428783 2775752 2946860 2977240 3073154 3104836 3469690 3505460 3881045 4125604 4390220 4435480 4657940 4857566 5157005 5433463 5893720 6146308 6209672 6939380 7010920 7219807 7682885 7762090 8251208 8780440 9315880 9715132 10314010 10756039 10866926 12143915 12292616 13878760 14439614 15365770 15524180 17001481 19430264 20628020 21512078 21733852 24287830 27167315 28879228 30731540 31048360 34002962 36099035 41256040 43024156 43467704 48575660 53780195 54334630 57758456 61463080 68005924 72198070 75292273 85007405 86048312 97151320 107560390 108669260 136011848 144396140 150584546 170014810 215120780 217338520 288792280 301169092 340029620 376461365 430241560 527045911 602338184 680059240 752922730 1054091822 1505845460 2108183644 2635229555 3011690920 4216367288 5270459110 10540918220 21081836440
- Sum of all divisors σ(n): 58501013760
- Sum of proper divisors (its aliquot sum) s(n): 37419177320
- 21081836440 is an abundant number, because the sum of its proper divisors (37419177320) is greater than itself. Its abundance is 16337340880
Bases of 21081836440
- Binary: 100111010001001001101001011100110002
- Hexadecimal: 0x4E8934B98
- Base-36: 9ONKX3S
Squares and roots of 21081836440
- 21081836440 squared (210818364402) is 444443827682911873600
- 21081836440 cubed (210818364403) is 9369692081978692302169153984000
-
The
square root of 21081836440 is 145195.8554504915 -
The
cube root of 21081836440 is 2762.5033490673
Scales and comparisons
How big is 21081836440?- 21,081,836,440 seconds is equal to 670 years, 17 weeks, 3 days, 17 hours, 40 minutes, 40 seconds.
-
To count from 1 to 21,081,836,440 would take you about one thousand, three hundred forty 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 21081836440 cubic inches would be around 230.2 feet tall.
Recreational maths with 21081836440
- 21081836440 backwards is 04463818012
- The number of decimal digits it has is: 11
- The sum of 21081836440's digits is 37
- 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 21081836440 - Facts about the integer". Numbermatics.com. 2024. Web. 5 June 2024.
APA style:
Numbermatics. (2024). Number 21081836440 - Facts about the integer. Retrieved 5 June 2024, from https://numbermatics.com/n/21081836440/
Chicago style:
Numbermatics. 2024. "Number 21081836440 - Facts about the integer". https://numbermatics.com/n/21081836440/
The information we have on file for 21081836440 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 21081836440, math, Factors of 21081836440, curriculum, school, college, exams, university, Prime factorization of 21081836440, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, eighty-one million, eight hundred thirty-six thousand, four hundred forty.