21489023655
21,489,023,655 is an odd composite number composed of seven prime numbers multiplied together.
21489023655 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21489023655:
33 × 5 × 11 × 17 × 19 × 71 × 631
(3 × 3 × 3 × 5 × 11 × 17 × 19 × 71 × 631)See below for interesting mathematical facts about the number 21489023655 from the Numbermatics database.
Names of 21489023655
- Cardinal: 21489023655 can be written as Twenty-one billion, four hundred eighty-nine million, twenty-three thousand, six hundred fifty-five.
Scientific notation
- Scientific notation: 2.1489023655 × 1010
Factors of 21489023655
Divisors of 21489023655
- Number of divisors d(n): 256
-
Complete list of divisors:
1 3 5 9 11 15 17 19 27 33 45 51 55 57 71 85 95 99 135 153 165 171 187 209 213 255 285 297 323 355 459 495 513 561 627 631 639 765 781 855 935 969 1045 1065 1207 1349 1485 1615 1683 1881 1893 1917 2295 2343 2565 2805 2907 3135 3155 3195 3553 3621 3905 4047 4845 5049 5643 5679 6035 6745 6941 7029 8415 8721 9405 9465 9585 10659 10727 10863 11715 11989 12141 13277 14535 14839 17037 17765 18105 20235 20823 21087 22933 25245 28215 28395 31977 32181 32589 34705 35145 35967 36423 39831 43605 44517 44801 53295 53635 54315 59945 60705 62469 66385 68799 74195 85185 95931 96543 104115 105435 107901 114665 117997 119493 131879 133551 134403 159885 160905 162945 179835 182115 187407 199155 203813 206397 222585 224005 252263 289629 312345 323703 343995 353991 358479 395637 400653 403209 479655 482715 492811 539505 589985 597465 611439 619191 659395 667755 672015 756789 761617 851219 937035 1019065 1031985 1061973 1186911 1209627 1261315 1448145 1478433 1618515 1769955 1792395 1834317 1978185 2003265 2016045 2241943 2270367 2284851 2464055 2553657 3057195 3095955 3185919 3560733 3783945 3808085 4256095 4435299 5309865 5502951 5934555 6048135 6725829 6811101 6854553 7392165 7660971 8377787 9171585 9363409 11209715 11351835 11424255 12768285 13305897 14470723 15929595 17803665 20177487 20563659 22176495 22982913 25133361 27514755 28090227 33629145 34055505 34272765 38304855 41888935 43412169 46817045 60532461 66529485 72353615 75400083 84270681 100887435 102818295 114914565 125666805 130236507 140451135 159177953 217060845 226200249 252812043 302662305 377000415 390709521 421353405 477533859 651182535 795889765 1131001245 1264060215 1432601577 1953547605 2387669295 4297804731 7163007885 21489023655
- Sum of all divisors σ(n): 47178547200
- Sum of proper divisors (its aliquot sum) s(n): 25689523545
- 21489023655 is an abundant number, because the sum of its proper divisors (25689523545) is greater than itself. Its abundance is 4200499890
Bases of 21489023655
- Binary: 101000000001101100001111010101001112
- Hexadecimal: 0x500D87AA7
- Base-36: 9VE0CRR
Squares and roots of 21489023655
- 21489023655 squared (214890236552) is 461778137645149559025
- 21489023655 cubed (214890236553) is 9923161323218464869901043736375
-
The
square root of 21489023655 is 146591.3491820033 -
The
cube root of 21489023655 is 2780.1756033083
Scales and comparisons
How big is 21489023655?- 21,489,023,655 seconds is equal to 683 years, 14 weeks, 5 days, 13 hours, 14 minutes, 15 seconds.
-
To count from 1 to 21,489,023,655 would take you about one thousand, three hundred sixty-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 21489023655 cubic inches would be around 231.7 feet tall.
Recreational maths with 21489023655
- 21489023655 backwards is 55632098412
- 21489023655 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21489023655'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 21489023655 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.
APA style:
Numbermatics. (2024). Number 21489023655 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/21489023655/
Chicago style:
Numbermatics. 2024. "Number 21489023655 - Facts about the integer". https://numbermatics.com/n/21489023655/
The information we have on file for 21489023655 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 21489023655, math, Factors of 21489023655, curriculum, school, college, exams, university, Prime factorization of 21489023655, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, four hundred eighty-nine million, twenty-three thousand, six hundred fifty-five.