21241402920
21,241,402,920 is an even composite number composed of six prime numbers multiplied together.
21241402920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21241402920:
23 × 32 × 5 × 612 × 101 × 157
(2 × 2 × 2 × 3 × 3 × 5 × 61 × 61 × 101 × 157)See below for interesting mathematical facts about the number 21241402920 from the Numbermatics database.
Names of 21241402920
- Cardinal: 21241402920 can be written as Twenty-one billion, two hundred forty-one million, four hundred two thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.124140292 × 1010
Factors of 21241402920
Divisors of 21241402920
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 61 72 90 101 120 122 157 180 183 202 244 303 305 314 360 366 404 471 488 505 549 606 610 628 732 785 808 909 915 942 1010 1098 1212 1220 1256 1413 1464 1515 1570 1818 1830 1884 2020 2196 2355 2424 2440 2745 2826 3030 3140 3636 3660 3721 3768 4040 4392 4545 4710 5490 5652 6060 6161 6280 7065 7272 7320 7442 9090 9420 9577 10980 11163 11304 12120 12322 14130 14884 15857 18180 18483 18605 18840 19154 21960 22326 24644 28260 28731 29768 30805 31714 33489 36360 36966 37210 38308 44652 47571 47885 49288 55449 55815 56520 57462 61610 63428 66978 73932 74420 76616 79285 86193 89304 92415 95142 95770 110898 111630 114924 123220 126856 133956 142713 143655 147864 148840 158570 167445 172386 184830 190284 191540 221796 223260 229848 237855 246440 267912 277245 285426 287310 317140 334890 344772 369660 375821 380568 383080 430965 443592 446520 475710 554490 570852 574620 584197 634280 669780 689544 713565 739320 751642 861930 951420 967277 1108980 1127463 1141704 1149240 1168394 1339560 1427130 1503284 1723860 1752591 1879105 1902840 1934554 2217960 2254926 2336788 2854260 2901831 2920985 3006568 3382389 3447720 3505182 3758210 3869108 4509852 4673576 4836385 5257773 5637315 5708520 5803662 5841970 6764778 7010364 7516420 7738216 8705493 8762955 9019704 9672770 10515546 11274630 11607324 11683940 13529556 14020728 14509155 15032840 16911945 17410986 17525910 19345540 21031092 22549260 23214648 23367880 26288865 27059112 29018310 33823890 34821972 35051820 38691080 42062184 43527465 45098520 52577730 58036620 59003897 67647780 69643944 70103640 87054930 105155460 116073240 118007794 135295560 174109860 177011691 210310920 236015588 295019485 348219720 354023382 472031176 531035073 590038970 708046764 885058455 1062070146 1180077940 1416093528 1770116910 2124140292 2360155880 2655175365 3540233820 4248280584 5310350730 7080467640 10620701460 21241402920
- Sum of all divisors σ(n): 71331188760
- Sum of proper divisors (its aliquot sum) s(n): 50089785840
- 21241402920 is an abundant number, because the sum of its proper divisors (50089785840) is greater than itself. Its abundance is 28848382920
Bases of 21241402920
- Binary: 100111100100001011000010110001010002
- Hexadecimal: 0x4F2161628
- Base-36: 9RAKZE0
Squares and roots of 21241402920
- 21241402920 squared (212414029202) is 451197198009784526400
- 21241402920 cubed (212414029203) is 9584061479300855227643777088000
-
The
square root of 21241402920 is 145744.3066469493 -
The
cube root of 21241402920 is 2769.4555494819
Scales and comparisons
How big is 21241402920?- 21,241,402,920 seconds is equal to 675 years, 21 weeks, 2 days, 13 hours, 42 minutes.
-
To count from 1 to 21,241,402,920 would take you about one thousand, three hundred fifty 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 21241402920 cubic inches would be around 230.8 feet tall.
Recreational maths with 21241402920
- 21241402920 backwards is 02920414212
- The number of decimal digits it has is: 11
- The sum of 21241402920's digits is 27
- More coming soon!
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