81684579453120
81,684,579,453,120 is an even composite number composed of five prime numbers multiplied together.
81684579453120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 81684579453120:
26 × 33 × 5 × 7 × 1350604819
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 1350604819)See below for interesting mathematical facts about the number 81684579453120 from the Numbermatics database.
Names of 81684579453120
- Cardinal: 81684579453120 can be written as Eighty-one trillion, six hundred eighty-four billion, five hundred seventy-nine million, four hundred fifty-three thousand, one hundred twenty.
Scientific notation
- Scientific notation: 8.168457945312 × 1013
Factors of 81684579453120
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 12
- Sum of prime factors: 1350604836
Divisors of 81684579453120
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 135 140 144 160 168 180 189 192 210 216 224 240 252 270 280 288 315 320 336 360 378 420 432 448 480 504 540 560 576 630 672 720 756 840 864 945 960 1008 1080 1120 1260 1344 1440 1512 1680 1728 1890 2016 2160 2240 2520 2880 3024 3360 3780 4032 4320 5040 6048 6720 7560 8640 10080 12096 15120 20160 30240 60480 1350604819 2701209638 4051814457 5402419276 6753024095 8103628914 9454233733 10804838552 12155443371 13506048190 16207257828 18908467466 20259072285 21609677104 24310886742 27012096380 28362701199 32414515656 36466330113 37816934932 40518144570 43219354208 47271168665 48621773484 54024192760 56725402398 60777216855 64829031312 72932660226 75633869864 81036289140 85088103597 86438708416 94542337330 97243546968 108048385520 113450804796 121554433710 129658062624 141813505995 145865320452 151267739728 162072578280 170176207194 182331650565 189084674660 194487093936 216096771040 226901609592 243108867420 255264310791 259316125248 283627011990 291730640904 302535479456 324145156560 340352414388 364663301130 378169349320 388974187872 425440517985 432193542080 453803219184 486217734840 510528621582 567254023980 583461281808 605070958912 648290313120 680704828776 729326602260 756338698640 777948375744 850881035970 907606438368 972435469680 1021057243164 1134508047960 1166922563616 1276321553955 1296580626240 1361409657552 1458653204520 1512677397280 1701762071940 1815212876736 1944870939360 2042114486328 2269016095920 2333845127232 2552643107910 2722819315104 2917306409040 3025354794560 3403524143880 3889741878720 4084228972656 4538032191840 5105286215820 5445638630208 5834612818080 6807048287760 8168457945312 9076064383680 10210572431640 11669225636160 13614096575520 16336915890624 20421144863280 27228193151040 40842289726560 81684579453120
- Sum of all divisors σ(n): 329331479308800
- Sum of proper divisors (its aliquot sum) s(n): 247646899855680
- 81684579453120 is an abundant number, because the sum of its proper divisors (247646899855680) is greater than itself. Its abundance is 165962320402560
Bases of 81684579453120
- Binary: 100101001001010101011000101011110001000110000002
- Hexadecimal: 0x4A4AAC5788C0
- Base-36: SYDDLKMO0
Squares and roots of 81684579453120
- 81684579453120 squared (816845794531202) is 6672370520433074078277734400
- 81684579453120 cubed (816845794531203) is 545029779916971083978564305887024611328000
-
The
square root of 81684579453120 is 9037952.1714335267 -
The
cube root of 81684579453120 is 43389.0384538129
Scales and comparisons
How big is 81684579453120?- 81,684,579,453,120 seconds is equal to 2,597,316 years, 49 weeks, 6 days, 7 hours, 12 minutes.
-
To count from 1 to 81,684,579,453,120 would take you about six million, four hundred ninety-three thousand, two hundred ninety-two 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 81684579453120 cubic inches would be around 3615.8 feet tall.
Recreational maths with 81684579453120
- 81684579453120 backwards is 02135497548618
- 81684579453120 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81684579453120's digits is 63
- More coming soon!
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