21142627440
21,142,627,440 is an even composite number composed of seven prime numbers multiplied together.
21142627440 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21142627440:
24 × 3 × 5 × 11 × 31 × 41 × 6301
(2 × 2 × 2 × 2 × 3 × 5 × 11 × 31 × 41 × 6301)See below for interesting mathematical facts about the number 21142627440 from the Numbermatics database.
Names of 21142627440
- Cardinal: 21142627440 can be written as Twenty-one billion, one hundred forty-two million, six hundred twenty-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.114262744 × 1010
Factors of 21142627440
Divisors of 21142627440
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 31 33 40 41 44 48 55 60 62 66 80 82 88 93 110 120 123 124 132 155 164 165 176 186 205 220 240 246 248 264 310 328 330 341 372 410 440 451 465 492 496 528 615 620 656 660 682 744 820 880 902 930 984 1023 1230 1240 1271 1320 1353 1364 1488 1640 1705 1804 1860 1968 2046 2255 2460 2480 2542 2640 2706 2728 3280 3410 3608 3720 3813 4092 4510 4920 5084 5115 5412 5456 6301 6355 6765 6820 7216 7440 7626 8184 9020 9840 10168 10230 10824 12602 12710 13530 13640 13981 15252 16368 18040 18903 19065 20336 20460 21648 25204 25420 27060 27280 27962 30504 31505 36080 37806 38130 40920 41943 50408 50840 54120 55924 61008 63010 69311 69905 75612 76260 81840 83886 94515 100816 101680 108240 111848 126020 138622 139810 151224 152520 167772 189030 195331 207933 209715 223696 252040 258341 277244 279620 302448 305040 335544 346555 378060 390662 415866 419430 504080 516682 554488 559240 585993 671088 693110 756120 775023 781324 831732 838860 976655 1033364 1039665 1108976 1118480 1171986 1291705 1386220 1512240 1550046 1562648 1663464 1677720 1953310 2066728 2079330 2148641 2343972 2583410 2772440 2841751 2929965 3100092 3125296 3326928 3355440 3875115 3906620 4133456 4158660 4297282 4687944 5166820 5544880 5683502 5859930 6200184 6445923 7750230 7813240 8008571 8317320 8525253 8594564 9375888 10333640 10743205 11367004 11719860 12400368 12891846 14208755 15500460 15626480 16017142 16634640 17050506 17189128 20667280 21486410 22734008 23439720 24025713 25783692 28417510 31000920 32034284 32229615 34101012 34378256 40042855 42626265 42972820 45468016 46879440 48051426 51567384 56835020 62001840 64068568 64459230 68202024 80085710 85252530 85945640 88094281 96102852 103134768 113670040 120128565 128137136 128918460 136404048 160171420 170505060 171891280 176188562 192205704 227340080 240257130 257836920 264282843 320342840 341010120 352377124 384411408 440471405 480514260 515673840 528565686 640685680 682020240 704754248 880942810 961028520 1057131372 1321414215 1409508496 1761885620 1922057040 2114262744 2642828430 3523771240 4228525488 5285656860 7047542480 10571313720 21142627440
- Sum of all divisors σ(n): 75619160064
- Sum of proper divisors (its aliquot sum) s(n): 54476532624
- 21142627440 is an abundant number, because the sum of its proper divisors (54476532624) is greater than itself. Its abundance is 33333905184
Bases of 21142627440
- Binary: 100111011000011001011100100011100002
- Hexadecimal: 0x4EC32E470
- Base-36: 9PNRVQO
Squares and roots of 21142627440
- 21142627440 squared (211426274402) is 447010695066640953600
- 21142627440 cubed (211426274403) is 9450980587489435654211126784000
-
The
square root of 21142627440 is 145405.0461297681 -
The
cube root of 21142627440 is 2765.1560936353
Scales and comparisons
How big is 21142627440?- 21,142,627,440 seconds is equal to 672 years, 14 weeks, 8 hours, 4 minutes.
-
To count from 1 to 21,142,627,440 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 21142627440 cubic inches would be around 230.4 feet tall.
Recreational maths with 21142627440
- 21142627440 backwards is 04472624112
- 21142627440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21142627440's digits is 33
- More coming soon!
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