21137731020
21,137,731,020 is an even composite number composed of six prime numbers multiplied together.
What does the number 21137731020 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 288 divisors.
21137731020 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 21137731020:
22 × 32 × 5 × 7 × 433 × 211
(2 × 2 × 3 × 3 × 5 × 7 × 43 × 43 × 43 × 211)See below for interesting mathematical facts about the number 21137731020 from the Numbermatics database.
Names of 21137731020
- Cardinal: 21137731020 can be written as Twenty-one billion, one hundred thirty-seven million, seven hundred thirty-one thousand and twenty.
Scientific notation
- Scientific notation: 2.113773102 × 1010
Factors of 21137731020
Divisors of 21137731020
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 43 45 60 63 70 84 86 90 105 126 129 140 172 180 210 211 215 252 258 301 315 387 420 422 430 516 602 630 633 645 774 844 860 903 1055 1204 1260 1266 1290 1477 1505 1548 1806 1849 1899 1935 2110 2532 2580 2709 2954 3010 3165 3612 3698 3798 3870 4220 4431 4515 5418 5547 5908 6020 6330 7385 7396 7596 7740 8862 9030 9073 9245 9495 10836 11094 12660 12943 13293 13545 14770 16641 17724 18060 18146 18490 18990 22155 22188 25886 26586 27090 27219 27735 29540 33282 36292 36980 37980 38829 44310 45365 51772 53172 54180 54438 55470 63511 64715 66465 66564 77658 79507 81657 83205 88620 90730 108876 110940 116487 127022 129430 132930 136095 155316 159014 163314 166410 181460 190533 194145 232974 238521 254044 258860 265860 272190 317555 318028 326628 332820 381066 388290 390139 397535 408285 465948 477042 544380 556549 571599 582435 635110 715563 762132 776580 780278 795070 816570 952665 954084 1113098 1143198 1164870 1170417 1192605 1270220 1431126 1560556 1590140 1633140 1669647 1905330 1950695 2226196 2286396 2329740 2340834 2385210 2730973 2782745 2857995 2862252 3339294 3511251 3577815 3810660 3901390 4681668 4770420 5008941 5461946 5565490 5715990 5852085 6678588 7022502 7155630 7802780 8192919 8348235 10017882 10923892 11130980 11431980 11704170 13654865 14045004 14311260 16385838 16696470 16775977 17556255 20035764 23408340 24578757 25044705 27309730 32771676 33392940 33551954 35112510 40964595 49157514 50089410 50327931 54619460 67103908 70225020 81929190 83879885 98315028 100178820 100655862 117431839 122893785 150983793 163858380 167759770 201311724 234863678 245787570 251639655 301967586 335519540 352295517 469727356 491575140 503279310 587159195 603935172 704591034 754918965 1006558620 1056886551 1174318390 1409182068 1509837930 1761477585 2113773102 2348636780 3019675860 3522955170 4227546204 5284432755 7045910340 10568865510 21137731020
- Sum of all divisors σ(n): 75377702400
- Sum of proper divisors (its aliquot sum) s(n): 54239971380
- 21137731020 is an abundant number, because the sum of its proper divisors (54239971380) is greater than itself. Its abundance is 33102240360
Bases of 21137731020
- Binary: 100111010111110100000101101110011002
- Hexadecimal: 0x4EBE82DCC
- Base-36: 9PKUXN0
Squares and roots of 21137731020
- 21137731020 squared (211377310202) is 446803672673870240400
- 21137731020 cubed (211377310203) is 9444415851728393323957937208000
-
The
square root of 21137731020 is 145388.2079812527 -
The
cube root of 21137731020 is 2764.9426163689
Scales and comparisons
How big is 21137731020?- 21,137,731,020 seconds is equal to 672 years, 5 weeks, 6 days, 15 hours, 57 minutes.
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To count from 1 to 21,137,731,020 would take you about one thousand, three hundred forty-four 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 21137731020 cubic inches would be around 230.4 feet tall.
Recreational maths with 21137731020
- 21137731020 backwards is 02013773112
- The number of decimal digits it has is: 11
- The sum of 21137731020's digits is 27
- More coming soon!
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