21013478928
21,013,478,928 is an even composite number composed of five prime numbers multiplied together.
21013478928 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 21013478928:
24 × 32 × 133 × 127 × 523
(2 × 2 × 2 × 2 × 3 × 3 × 13 × 13 × 13 × 127 × 523)See below for interesting mathematical facts about the number 21013478928 from the Numbermatics database.
Names of 21013478928
- Cardinal: 21013478928 can be written as Twenty-one billion, thirteen million, four hundred seventy-eight thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1013478928 × 1010
Factors of 21013478928
Divisors of 21013478928
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 127 144 156 169 208 234 254 312 338 381 468 507 508 523 624 676 762 936 1014 1016 1046 1143 1352 1521 1524 1569 1651 1872 2028 2032 2092 2197 2286 2704 3042 3048 3138 3302 4056 4184 4394 4572 4707 4953 6084 6096 6276 6591 6604 6799 8112 8368 8788 9144 9414 9906 12168 12552 13182 13208 13598 14859 17576 18288 18828 19773 19812 20397 21463 24336 25104 26364 26416 27196 29718 35152 37656 39546 39624 40794 42926 52728 54392 59436 61191 64389 66421 75312 79092 79248 81588 85852 88387 105456 108784 118872 122382 128778 132842 158184 163176 171704 176774 193167 199263 237744 244764 257556 265161 265684 279019 316368 326352 343408 353548 386334 398526 489528 515112 530322 531368 558038 597789 707096 772668 795483 797052 837057 863473 979056 1030224 1060644 1062736 1116076 1149031 1195578 1414192 1545336 1590966 1594104 1674114 1726946 2121288 2232152 2298062 2391156 2511171 2590419 3090672 3181932 3188208 3348228 3447093 3453892 4242576 4464304 4596124 4782312 5022342 5180838 6363864 6696456 6894186 6907784 7771257 9192248 9564624 10044684 10341279 10361676 11225149 12727728 13392912 13788372 13815568 15542514 18384496 20089368 20682558 20723352 22450298 27576744 31085028 33675447 40178736 41365116 41446704 44900596 55153488 62170056 67350894 82730232 89801192 101026341 124340112 134701788 145926937 165460464 179602384 202052682 269403576 291853874 404105364 437780811 538807152 583707748 808210728 875561622 1167415496 1313342433 1616421456 1751123244 2334830992 2626684866 3502246488 5253369732 7004492976 10506739464 21013478928
- Sum of all divisors σ(n): 64331438080
- Sum of proper divisors (its aliquot sum) s(n): 43317959152
- 21013478928 is an abundant number, because the sum of its proper divisors (43317959152) is greater than itself. Its abundance is 22304480224
Bases of 21013478928
- Binary: 100111001001000000000111110000100002
- Hexadecimal: 0x4E4803E10
- Base-36: 9NIVS40
Squares and roots of 21013478928
- 21013478928 squared (210134789282) is 441566296657500029184
- 21013478928 cubed (210134789283) is 9278844070127373696417369034752
-
The
square root of 21013478928 is 144960.2667216089 -
The
cube root of 21013478928 is 2759.5143253793
Scales and comparisons
How big is 21013478928?- 21,013,478,928 seconds is equal to 668 years, 8 weeks, 3 days, 13 hours, 28 minutes, 48 seconds.
-
To count from 1 to 21,013,478,928 would take you about one thousand, three hundred thirty-six 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 21013478928 cubic inches would be around 230 feet tall.
Recreational maths with 21013478928
- 21013478928 backwards is 82987431012
- The number of decimal digits it has is: 11
- The sum of 21013478928's digits is 45
- 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 21013478928 - Facts about the integer". Numbermatics.com. 2024. Web. 15 June 2024.
APA style:
Numbermatics. (2024). Number 21013478928 - Facts about the integer. Retrieved 15 June 2024, from https://numbermatics.com/n/21013478928/
Chicago style:
Numbermatics. 2024. "Number 21013478928 - Facts about the integer". https://numbermatics.com/n/21013478928/
The information we have on file for 21013478928 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 21013478928, math, Factors of 21013478928, curriculum, school, college, exams, university, Prime factorization of 21013478928, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, thirteen million, four hundred seventy-eight thousand, nine hundred twenty-eight.