81428328000
81,428,328,000 is an even composite number composed of four prime numbers multiplied together.
81428328000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 81428328000:
26 × 35 × 53 × 41887
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 41887)See below for interesting mathematical facts about the number 81428328000 from the Numbermatics database.
Names of 81428328000
- Cardinal: 81428328000 can be written as Eighty-one billion, four hundred twenty-eight million, three hundred twenty-eight thousand.
Scientific notation
- Scientific notation: 8.1428328 × 1010
Factors of 81428328000
Divisors of 81428328000
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 81 90 96 100 108 120 125 135 144 150 160 162 180 192 200 216 225 240 243 250 270 288 300 320 324 360 375 400 405 432 450 480 486 500 540 576 600 648 675 720 750 800 810 864 900 960 972 1000 1080 1125 1200 1215 1296 1350 1440 1500 1600 1620 1728 1800 1944 2000 2025 2160 2250 2400 2430 2592 2700 2880 3000 3240 3375 3600 3888 4000 4050 4320 4500 4800 4860 5184 5400 6000 6075 6480 6750 7200 7776 8000 8100 8640 9000 9720 10125 10800 12000 12150 12960 13500 14400 15552 16200 18000 19440 20250 21600 24000 24300 25920 27000 30375 32400 36000 38880 40500 41887 43200 48600 54000 60750 64800 72000 77760 81000 83774 97200 108000 121500 125661 129600 162000 167548 194400 209435 216000 243000 251322 324000 335096 376983 388800 418870 486000 502644 628305 648000 670192 753966 837740 972000 1005288 1047175 1130949 1256610 1340384 1507932 1675480 1884915 1944000 2010576 2094350 2261898 2513220 2680768 3015864 3141525 3350960 3392847 3769830 4021152 4188700 4523796 5026440 5235875 5654745 6031728 6283050 6701920 6785694 7539660 8042304 8377400 9047592 9424575 10052880 10178541 10471750 11309490 12063456 12566100 13403840 13571388 15079320 15707625 16754800 16964235 18095184 18849150 20105760 20357082 20943500 22618980 24126912 25132200 27142776 28273725 30158640 31415250 33509600 33928470 36190368 37698300 40211520 40714164 41887000 45237960 47122875 50264400 50892705 54285552 56547450 60317280 62830500 67019200 67856940 72380736 75396600 81428328 83774000 84821175 90475920 94245750 100528800 101785410 108571104 113094900 120634560 125661000 135713880 141368625 150793200 162856656 167548000 169642350 180951840 188491500 201057600 203570820 217142208 226189800 251322000 254463525 271427760 282737250 301586400 325713312 335096000 339284700 361903680 376983000 407141640 424105875 452379600 502644000 508927050 542855520 565474500 603172800 651426624 678569400 753966000 814283280 848211750 904759200 1005288000 1017854100 1085711040 1130949000 1272317625 1357138800 1507932000 1628566560 1696423500 1809518400 2035708200 2261898000 2544635250 2714277600 3015864000 3257133120 3392847000 4071416400 4523796000 5089270500 5428555200 6785694000 8142832800 9047592000 10178541000 13571388000 16285665600 20357082000 27142776000 40714164000 81428328000
- Sum of all divisors σ(n): 302078160384
- Sum of proper divisors (its aliquot sum) s(n): 220649832384
- 81428328000 is an abundant number, because the sum of its proper divisors (220649832384) is greater than itself. Its abundance is 139221504384
Bases of 81428328000
- Binary: 10010111101011000000110101110010000002
- Hexadecimal: 0x12F581AE40
- Base-36: 11EOBO00
Squares and roots of 81428328000
- 81428328000 squared (814283280002) is 6630572600875584000000
- 81428328000 cubed (814283280003) is 539916440571910141143552000000000
-
The
square root of 81428328000 is 285356.4928295833 -
The
cube root of 81428328000 is 4334.3619228231
Scales and comparisons
How big is 81428328000?- 81,428,328,000 seconds is equal to 2,589 years, 8 weeks, 5 days, 12 hours.
-
To count from 1 to 81,428,328,000 would take you about five thousand, one hundred seventy-eight 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 81428328000 cubic inches would be around 361.2 feet tall.
Recreational maths with 81428328000
- 81428328000 backwards is 00082382418
- 81428328000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81428328000's digits is 36
- More coming soon!
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The information we have on file for 81428328000 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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