81383630400
81,383,630,400 is an even composite number composed of five prime numbers multiplied together.
81383630400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred seventy-eight divisors.
Prime factorization of 81383630400:
26 × 32 × 52 × 312 × 5881
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 31 × 31 × 5881)See below for interesting mathematical facts about the number 81383630400 from the Numbermatics database.
Names of 81383630400
- Cardinal: 81383630400 can be written as Eighty-one billion, three hundred eighty-three million, six hundred thirty thousand, four hundred.
Scientific notation
- Scientific notation: 8.13836304 × 1010
Factors of 81383630400
Divisors of 81383630400
- Number of divisors d(n): 378
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 31 32 36 40 45 48 50 60 62 64 72 75 80 90 93 96 100 120 124 144 150 155 160 180 186 192 200 225 240 248 279 288 300 310 320 360 372 400 450 465 480 496 558 576 600 620 720 744 775 800 900 930 960 961 992 1116 1200 1240 1395 1440 1488 1550 1600 1800 1860 1922 1984 2232 2325 2400 2480 2790 2880 2883 2976 3100 3600 3720 3844 4464 4650 4800 4805 4960 5580 5766 5881 5952 6200 6975 7200 7440 7688 8649 8928 9300 9610 9920 11160 11532 11762 12400 13950 14400 14415 14880 15376 17298 17643 17856 18600 19220 22320 23064 23524 24025 24800 27900 28830 29405 29760 30752 34596 35286 37200 38440 43245 44640 46128 47048 48050 49600 52929 55800 57660 58810 61504 69192 70572 72075 74400 76880 86490 88215 89280 92256 94096 96100 105858 111600 115320 117620 138384 141144 144150 147025 148800 153760 172980 176430 182311 184512 188192 192200 211716 216225 223200 230640 235240 264645 276768 282288 288300 294050 307520 345960 352860 364622 376384 384400 423432 432450 441075 446400 461280 470480 529290 546933 553536 564576 576600 588100 691920 705720 729244 768800 846864 864900 882150 911555 922560 940960 1058580 1093866 1129152 1153200 1176200 1323225 1383840 1411440 1458488 1537600 1640799 1693728 1729800 1764300 1823110 1881920 2117160 2187732 2306400 2352400 2646450 2734665 2767680 2822880 2916976 3281598 3387456 3459600 3528600 3646220 4234320 4375464 4557775 4612800 4704800 5292900 5469330 5645760 5651641 5833952 6563196 6919200 7057200 7292440 8203995 8468640 8750928 9115550 9409600 10585800 10938660 11303282 11667904 13126392 13673325 13838400 14114400 14584880 16407990 16937280 16954923 17501856 18231100 21171600 21877320 22606564 26252784 27346650 28228800 28258205 29169760 32815980 33909846 35003712 36462200 41019975 42343200 43754640 45213128 50864769 52505568 54693300 56516410 58339520 65631960 67819692 72924400 82039950 84686400 84774615 87509280 90426256 101729538 105011136 109386600 113032820 131263920 135639384 141291025 145848800 164079900 169549230 175018560 180852512 203459076 218773200 226065640 254323845 262527840 271278768 282582050 291697600 328159800 339098460 361705024 406918152 423873075 437546400 452131280 508647690 525055680 542557536 565164100 656319600 678196920 813836304 847746150 875092800 904262560 1017295380 1085115072 1130328200 1271619225 1312639200 1356393840 1627672608 1695492300 1808525120 2034590760 2260656400 2543238450 2625278400 2712787680 3255345216 3390984600 4069181520 4521312800 5086476900 5425575360 6781969200 8138363040 9042625600 10172953800 13563938400 16276726080 20345907600 27127876800 40691815200 81383630400
- Sum of all divisors σ(n): 298939315506
- Sum of proper divisors (its aliquot sum) s(n): 217555685106
- 81383630400 is an abundant number, because the sum of its proper divisors (217555685106) is greater than itself. Its abundance is 136172054706
Bases of 81383630400
- Binary: 10010111100101101011110100110010000002
- Hexadecimal: 0x12F2D7A640
- Base-36: 11DXPN40
Squares and roots of 81383630400
- 81383630400 squared (813836304002) is 6623295297083804160000
- 81383630400 cubed (813836304003) is 539027816487926515583422464000000
-
The
square root of 81383630400 is 285278.1632021631 -
The
cube root of 81383630400 is 4333.5687056899
Scales and comparisons
How big is 81383630400?- 81,383,630,400 seconds is equal to 2,587 years, 38 weeks, 6 days, 4 hours.
-
To count from 1 to 81,383,630,400 would take you about five thousand, one hundred seventy-five 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 81383630400 cubic inches would be around 361.1 feet tall.
Recreational maths with 81383630400
- 81383630400 backwards is 00403638318
- 81383630400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81383630400's digits is 36
- More coming soon!
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