21384384840
21,384,384,840 is an even composite number composed of six prime numbers multiplied together.
21384384840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21384384840:
23 × 32 × 5 × 7 × 13 × 652759
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 652759)See below for interesting mathematical facts about the number 21384384840 from the Numbermatics database.
Names of 21384384840
- Cardinal: 21384384840 can be written as Twenty-one billion, three hundred eighty-four million, three hundred eighty-four thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.138438484 × 1010
Factors of 21384384840
Divisors of 21384384840
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 35 36 39 40 42 45 52 56 60 63 65 70 72 78 84 90 91 104 105 117 120 126 130 140 156 168 180 182 195 210 234 252 260 273 280 312 315 360 364 390 420 455 468 504 520 546 585 630 728 780 819 840 910 936 1092 1170 1260 1365 1560 1638 1820 2184 2340 2520 2730 3276 3640 4095 4680 5460 6552 8190 10920 16380 32760 652759 1305518 1958277 2611036 3263795 3916554 4569313 5222072 5874831 6527590 7833108 8485867 9138626 9791385 11749662 13055180 13707939 15666216 16971734 18277252 19582770 22846565 23499324 25457601 26110360 27415878 29374155 33943468 36554504 39165540 41123817 42429335 45693130 46998648 50915202 54831756 58748310 59401069 67886936 68539695 76372803 78331080 82247634 84858670 91386260 101830404 109663512 117496620 118802138 127288005 137079390 152745606 164495268 169717340 178203207 182772520 203660808 205619085 234993240 237604276 254576010 274158780 297005345 305491212 328990536 339434680 356406414 381864015 411238170 475208552 509152020 534609621 548317560 594010690 610982424 712812828 763728030 822476340 891016035 1018304040 1069219242 1188021380 1425625656 1527456060 1644952680 1782032070 2138438484 2376042760 2673048105 3054912120 3564064140 4276876968 5346096210 7128128280 10692192420 21384384840
- Sum of all divisors σ(n): 85537670400
- Sum of proper divisors (its aliquot sum) s(n): 64153285560
- 21384384840 is an abundant number, because the sum of its proper divisors (64153285560) is greater than itself. Its abundance is 42768900720
Bases of 21384384840
- Binary: 100111110101001101111010001010010002
- Hexadecimal: 0x4FA9BD148
- Base-36: 9TNPKY0
Squares and roots of 21384384840
- 21384384840 squared (213843848402) is 457291914985221825600
- 21384384840 cubed (213843848403) is 9778906294264546431397763904000
-
The
square root of 21384384840 is 146234.0071255659 -
The
cube root of 21384384840 is 2775.6556561285
Scales and comparisons
How big is 21384384840?- 21,384,384,840 seconds is equal to 679 years, 49 weeks, 5 days, 10 hours, 54 minutes.
-
To count from 1 to 21,384,384,840 would take you about one thousand, three hundred fifty-nine 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 21384384840 cubic inches would be around 231.3 feet tall.
Recreational maths with 21384384840
- 21384384840 backwards is 04848348312
- 21384384840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21384384840's digits is 45
- More coming soon!
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The information we have on file for 21384384840 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!
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