21397991040
21,397,991,040 is an even composite number composed of six prime numbers multiplied together.
21397991040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21397991040:
27 × 32 × 5 × 29 × 53 × 2417
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 29 × 53 × 2417)See below for interesting mathematical facts about the number 21397991040 from the Numbermatics database.
Names of 21397991040
- Cardinal: 21397991040 can be written as Twenty-one billion, three hundred ninety-seven million, nine hundred ninety-one thousand and forty.
Scientific notation
- Scientific notation: 2.139799104 × 1010
Factors of 21397991040
Divisors of 21397991040
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 45 48 53 58 60 64 72 80 87 90 96 106 116 120 128 144 145 159 160 174 180 192 212 232 240 261 265 288 290 318 320 348 360 384 424 435 464 477 480 522 530 576 580 636 640 696 720 795 848 870 928 954 960 1044 1060 1152 1160 1272 1305 1392 1440 1537 1590 1696 1740 1856 1908 1920 2088 2120 2320 2385 2417 2544 2610 2784 2880 3074 3180 3392 3480 3712 3816 4176 4240 4611 4640 4770 4834 5088 5220 5568 5760 6148 6360 6784 6960 7251 7632 7685 8352 8480 9222 9280 9540 9668 10176 10440 11136 12085 12296 12720 13833 13920 14502 15264 15370 16704 16960 18444 18560 19080 19336 20352 20880 21753 23055 24170 24592 25440 27666 27840 29004 30528 30740 33408 33920 36255 36888 38160 38672 41760 43506 46110 48340 49184 50880 55332 55680 58008 61056 61480 69165 70093 72510 73776 76320 77344 83520 87012 92220 96680 98368 101760 108765 110664 116016 122960 128101 138330 140186 145020 147552 152640 154688 167040 174024 184440 193360 196736 210279 217530 221328 232032 245920 256202 276660 280372 290040 295104 305280 309376 348048 350465 368880 384303 386720 420558 435060 442656 464064 491840 512404 553320 560744 580080 590208 630837 640505 696096 700930 737760 768606 773440 841116 870120 885312 928128 983680 1024808 1051395 1106640 1121488 1152909 1160160 1261674 1281010 1392192 1401860 1475520 1537212 1546880 1682232 1740240 1770624 1921515 2049616 2102790 2213280 2242976 2305818 2320320 2523348 2562020 2784384 2803720 2951040 3074424 3154185 3364464 3480480 3714929 3843030 4099232 4205580 4426560 4485952 4611636 4640640 5046696 5124040 5607440 5764545 6148848 6308370 6728928 6960960 7429858 7686060 8198464 8411160 8853120 8971904 9223272 10093392 10248080 11144787 11214880 11529090 12297696 12616740 13457856 13921920 14859716 15372120 16396928 16822320 18446544 18574645 20186784 20496160 22289574 22429760 23058180 24595392 25233480 26915712 29719432 30744240 33434361 33644640 36893088 37149290 40373568 40992320 44579148 44859520 46116360 49190784 50466960 55723935 59438864 61488480 66868722 67289280 73786176 74298580 80747136 81984640 89158296 92232720 100933920 111447870 118877728 122976960 133737444 134578560 147572352 148597160 167171805 178316592 184465440 201867840 222895740 237755456 245953920 267474888 297194320 334343610 356633184 368930880 403735680 445791480 475510912 534949776 594388640 668687220 713266368 737861760 891582960 1069899552 1188777280 1337374440 1426532736 1783165920 2139799104 2377554560 2674748880 3566331840 4279598208 5349497760 7132663680 10698995520 21397991040
- Sum of all divisors σ(n): 77912312400
- Sum of proper divisors (its aliquot sum) s(n): 56514321360
- 21397991040 is an abundant number, because the sum of its proper divisors (56514321360) is greater than itself. Its abundance is 35116330320
Bases of 21397991040
- Binary: 100111110110110101101101110100000002
- Hexadecimal: 0x4FB6B6E80
- Base-36: 9TVT7K0
Squares and roots of 21397991040
- 21397991040 squared (213979910402) is 457874020547920281600
- 21397991040 cubed (213979910403) is 9797584189133174076311076864000
-
The
square root of 21397991040 is 146280.5217381999 -
The
cube root of 21397991040 is 2776.2442182859
Scales and comparisons
How big is 21397991040?- 21,397,991,040 seconds is equal to 680 years, 20 weeks, 1 day, 22 hours, 24 minutes.
-
To count from 1 to 21,397,991,040 would take you about one thousand, three hundred sixty 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 21397991040 cubic inches would be around 231.4 feet tall.
Recreational maths with 21397991040
- 21397991040 backwards is 04019979312
- 21397991040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21397991040'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 21397991040 - Facts about the integer". Numbermatics.com. 2024. Web. 26 April 2024.
APA style:
Numbermatics. (2024). Number 21397991040 - Facts about the integer. Retrieved 26 April 2024, from https://numbermatics.com/n/21397991040/
Chicago style:
Numbermatics. 2024. "Number 21397991040 - Facts about the integer". https://numbermatics.com/n/21397991040/
The information we have on file for 21397991040 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 21397991040, math, Factors of 21397991040, curriculum, school, college, exams, university, Prime factorization of 21397991040, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, three hundred ninety-seven million, nine hundred ninety-one thousand and forty.