81231293000
81,231,293,000 is an even composite number composed of six prime numbers multiplied together.
81231293000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 81231293000:
23 × 53 × 112 × 13 × 113 × 457
(2 × 2 × 2 × 5 × 5 × 5 × 11 × 11 × 13 × 113 × 457)See below for interesting mathematical facts about the number 81231293000 from the Numbermatics database.
Names of 81231293000
- Cardinal: 81231293000 can be written as Eighty-one billion, two hundred thirty-one million, two hundred ninety-three thousand.
Scientific notation
- Scientific notation: 8.1231293 × 1010
Factors of 81231293000
Divisors of 81231293000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 11 13 20 22 25 26 40 44 50 52 55 65 88 100 104 110 113 121 125 130 143 200 220 226 242 250 260 275 286 325 440 452 457 484 500 520 550 565 572 605 650 715 904 914 968 1000 1100 1130 1144 1210 1243 1300 1375 1430 1469 1573 1625 1828 2200 2260 2285 2420 2486 2600 2750 2825 2860 2938 3025 3146 3250 3575 3656 4520 4570 4840 4972 5027 5500 5650 5720 5876 5941 6050 6215 6292 6500 7150 7345 7865 9140 9944 10054 11000 11300 11425 11752 11882 12100 12430 12584 13000 13673 14125 14300 14690 15125 15730 16159 17875 18280 20108 22600 22850 23764 24200 24860 25135 27346 28250 28600 29380 29705 30250 31075 31460 32318 35750 36725 39325 40216 45700 47528 49720 50270 51641 54692 55297 56500 57125 58760 59410 60500 62150 62920 64636 65351 68365 71500 73450 78650 80795 91400 100540 103282 109384 110594 113000 114250 118820 121000 124300 125675 129272 130702 136730 143000 146900 148525 155375 157300 161590 177749 183625 196625 201080 206564 221188 228500 237640 248600 251350 258205 261404 273460 276485 293800 297050 310750 314600 323180 326755 341825 355498 367250 393250 403975 413128 442376 457000 502700 516410 522808 546920 552970 568051 594100 621500 628375 646360 653510 671333 683650 710996 718861 734500 742625 786500 807950 888745 1005400 1032820 1105940 1136102 1188200 1243000 1256750 1291025 1307020 1342666 1367300 1382425 1421992 1437722 1469000 1485250 1573000 1615900 1633775 1709125 1777490 2019875 2065640 2211880 2272204 2513500 2582050 2614040 2685332 2734600 2764850 2840255 2875444 2970500 3231800 3267550 3356665 3418250 3554980 3594305 4039750 4443725 4544408 5027000 5164100 5370664 5529700 5680510 5750888 5941000 6248561 6455125 6535100 6713330 6836500 6912125 7109960 7188610 7384663 8079500 8168875 8887450 10328200 11059400 11361020 12497122 12910250 13070200 13426660 13673000 13824250 14201275 14377220 14769326 16159000 16337750 16783325 17774900 17971525 22218625 22722040 24994244 25820500 26853320 27648500 28402550 28754440 29538652 31242805 32675500 33566650 35549800 35943050 36923315 44437250 49988488 51641000 55297000 56805100 59077304 62485610 65351000 67133300 71006375 71886100 73846630 81231293 83916625 88874500 89857625 113610200 124971220 134266600 142012750 143772200 147693260 156214025 162462586 167833250 177749000 179715250 184616575 249942440 284025500 295386520 312428050 324925172 335666500 359430500 369233150 406156465 568051000 624856100 649850344 671333000 718861000 738466300 781070125 812312930 923082875 1249712200 1476932600 1562140250 1624625860 1846165750 2030782325 3124280500 3249251720 3692331500 4061564650 6248561000 7384663000 8123129300 10153911625 16246258600 20307823250 40615646500 81231293000
- Sum of all divisors σ(n): 227491860960
- Sum of proper divisors (its aliquot sum) s(n): 146260567960
- 81231293000 is an abundant number, because the sum of its proper divisors (146260567960) is greater than itself. Its abundance is 65029274960
Bases of 81231293000
- Binary: 10010111010011100001100101010010010002
- Hexadecimal: 0x12E9C32A48
- Base-36: 11BF0ITK
Squares and roots of 81231293000
- 81231293000 squared (812312930002) is 6598522962451849000000
- 81231293000 cubed (812312930003) is 536006552130154144510757000000000
-
The
square root of 81231293000 is 285011.0401370445 -
The
cube root of 81231293000 is 4330.8630963707
Scales and comparisons
How big is 81231293000?- 81,231,293,000 seconds is equal to 2,582 years, 47 weeks, 3 minutes, 20 seconds.
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To count from 1 to 81,231,293,000 would take you about five thousand, one hundred sixty-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 81231293000 cubic inches would be around 360.9 feet tall.
Recreational maths with 81231293000
- 81231293000 backwards is 00039213218
- The number of decimal digits it has is: 11
- The sum of 81231293000's digits is 29
- More coming soon!
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