21012343040
21,012,343,040 is an even composite number composed of six prime numbers multiplied together.
21012343040 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 21012343040:
28 × 5 × 13 × 61 × 127 × 163
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 61 × 127 × 163)See below for interesting mathematical facts about the number 21012343040 from the Numbermatics database.
Names of 21012343040
- Cardinal: 21012343040 can be written as Twenty-one billion, twelve million, three hundred forty-three thousand and forty.
Scientific notation
- Scientific notation: 2.101234304 × 1010
Factors of 21012343040
Divisors of 21012343040
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 61 64 65 80 104 122 127 128 130 160 163 208 244 254 256 260 305 320 326 416 488 508 520 610 635 640 652 793 815 832 976 1016 1040 1220 1270 1280 1304 1586 1630 1651 1664 1952 2032 2080 2119 2440 2540 2608 3172 3260 3302 3328 3904 3965 4064 4160 4238 4880 5080 5216 6344 6520 6604 7747 7808 7930 8128 8255 8320 8476 9760 9943 10160 10432 10595 12688 13040 13208 15494 15616 15860 16256 16510 16640 16952 19520 19886 20320 20701 20864 21190 25376 26080 26416 30988 31720 32512 33020 33904 38735 39040 39772 40640 41402 41728 42380 49715 50752 52160 52832 61976 63440 66040 67808 77470 78080 79544 81280 82804 84760 99430 100711 101504 103505 104320 105664 123952 126880 129259 132080 135616 154940 159088 162560 165608 169520 198860 201422 203008 207010 208640 211328 247904 253760 258518 264160 269113 271232 309880 318176 331216 339040 397720 402844 414020 422656 495808 503555 507520 517036 528320 538226 542464 619760 636352 646295 662432 678080 795440 805688 828040 991616 1007110 1015040 1034072 1056640 1076452 1239520 1262761 1272704 1292590 1324864 1345565 1356160 1590880 1611376 1656080 1983232 2014220 2068144 2113280 2152904 2479040 2525522 2545408 2585180 2649728 2691130 2712320 3181760 3222752 3312160 4028440 4136288 4305808 4958080 5051044 5170360 5299456 5382260 6313805 6363520 6445504 6624320 8056880 8272576 8611616 9916160 10102088 10340720 10764520 12627610 12727040 12891008 13248640 16113760 16415893 16545152 17223232 20204176 20681440 21529040 25255220 25782016 26497280 32227520 32831786 33090304 34446464 40408352 41362880 43058080 50510440 64455040 65663572 68892928 80816704 82079465 82725760 86116160 101020880 128910080 131327144 161633408 164158930 165451520 172232320 202041760 262654288 323266816 328317860 344464640 404083520 525308576 656635720 808167040 1050617152 1313271440 1616334080 2101234304 2626542880 4202468608 5253085760 10506171520 21012343040
- Sum of all divisors σ(n): 55865757696
- Sum of proper divisors (its aliquot sum) s(n): 34853414656
- 21012343040 is an abundant number, because the sum of its proper divisors (34853414656) is greater than itself. Its abundance is 13841071616
Bases of 21012343040
- Binary: 100111001000110111011101001000000002
- Hexadecimal: 0x4E46EE900
- Base-36: 9NI7FNK
Squares and roots of 21012343040
- 21012343040 squared (210123430402) is 441518560030636441600
- 21012343040 cubed (210123430403) is 9277339441890565820424126464000
-
The
square root of 21012343040 is 144956.3487398879 -
The
cube root of 21012343040 is 2759.4646024421
Scales and comparisons
How big is 21012343040?- 21,012,343,040 seconds is equal to 668 years, 6 weeks, 4 days, 9 hours, 57 minutes, 20 seconds.
-
To count from 1 to 21,012,343,040 would take you about one thousand, three hundred thirty-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 21012343040 cubic inches would be around 230 feet tall.
Recreational maths with 21012343040
- 21012343040 backwards is 04034321012
- 21012343040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21012343040's digits is 20
- More coming soon!
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