81429005100
81,429,005,100 is an even composite number composed of seven prime numbers multiplied together.
81429005100 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 81429005100:
22 × 3 × 52 × 31 × 79 × 137 × 809
(2 × 2 × 3 × 5 × 5 × 31 × 79 × 137 × 809)See below for interesting mathematical facts about the number 81429005100 from the Numbermatics database.
Names of 81429005100
- Cardinal: 81429005100 can be written as Eighty-one billion, four hundred twenty-nine million, five thousand, one hundred.
Scientific notation
- Scientific notation: 8.14290051 × 1010
Factors of 81429005100
Divisors of 81429005100
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 25 30 31 50 60 62 75 79 93 100 124 137 150 155 158 186 237 274 300 310 316 372 395 411 465 474 548 620 685 775 790 809 822 930 948 1185 1370 1550 1580 1618 1644 1860 1975 2055 2325 2370 2427 2449 2740 3100 3236 3425 3950 4045 4110 4247 4650 4740 4854 4898 5925 6850 7347 7900 8090 8220 8494 9300 9708 9796 10275 10823 11850 12135 12245 12741 13700 14694 16180 16988 20225 20550 21235 21646 23700 24270 24490 25079 25482 29388 32469 36735 40450 41100 42470 43292 48540 48980 50158 50964 54115 60675 61225 63705 63911 64938 73470 75237 80900 84940 100316 106175 108230 110833 121350 122450 125395 127410 127822 129876 146940 150474 162345 183675 191733 212350 216460 221666 242700 244900 250790 254820 255644 270575 300948 318525 319555 324690 332499 335513 367350 376185 383466 424700 443332 501580 541150 554165 626975 637050 639110 649380 664998 671026 734700 752370 766932 811725 958665 1006539 1082300 1108330 1253950 1274100 1278220 1329996 1342052 1504740 1597775 1623450 1662495 1677565 1880925 1917330 1981241 2013078 2216660 2507900 2770825 3195550 3246900 3324990 3355130 3435823 3761850 3834660 3962482 4026156 4793325 5032695 5541650 5943723 6391100 6649980 6710260 6871646 7523700 7924964 8312475 8387825 8755807 9586650 9906205 10065390 10307469 11083300 11887446 13743292 16624950 16775650 17179115 17511614 19173300 19812410 20130780 20614938 23774892 25163475 26267421 29718615 33249900 33551300 34358230 35023228 39624820 41229876 43779035 49531025 50326950 51537345 52534842 59437230 68716460 85895575 87558070 99062050 100653900 103074690 105069684 118874460 131337105 148593075 171791150 175116140 198124100 206149380 218895175 257686725 262674210 271430017 297186150 343582300 437790350 515373450 525348420 542860034 594372300 656685525 814290051 875580700 1030746900 1085720068 1313371050 1357150085 1628580102 2626742100 2714300170 3257160204 4071450255 5428600340 6785750425 8142900510 13571500850 16285801020 20357251275 27143001700 40714502550 81429005100
- Sum of all divisors σ(n): 248384102400
- Sum of proper divisors (its aliquot sum) s(n): 166955097300
- 81429005100 is an abundant number, because the sum of its proper divisors (166955097300) is greater than itself. Its abundance is 85526092200
Bases of 81429005100
- Binary: 10010111101011000110000000011001011002
- Hexadecimal: 0x12F58C032C
- Base-36: 11EOQ6GC
Squares and roots of 81429005100
- 81429005100 squared (814290051002) is 6630682871575826010000
- 81429005100 cubed (814290051003) is 539929909366030581205002651000000
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The
square root of 81429005100 is 285357.6792378295 -
The
cube root of 81429005100 is 4334.3739366125
Scales and comparisons
How big is 81429005100?- 81,429,005,100 seconds is equal to 2,589 years, 9 weeks, 6 days, 8 hours, 5 minutes.
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To count from 1 to 81,429,005,100 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 81429005100 cubic inches would be around 361.2 feet tall.
Recreational maths with 81429005100
- 81429005100 backwards is 00150092418
- 81429005100 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81429005100's digits is 30
- More coming soon!
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