81046080
81,046,080 is an even composite number composed of five prime numbers multiplied together.
81046080 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 81046080:
26 × 32 × 5 × 107 × 263
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 107 × 263)See below for interesting mathematical facts about the number 81046080 from the Numbermatics database.
Names of 81046080
- Cardinal: 81046080 can be written as Eighty-one million, forty-six thousand and eighty.
Scientific notation
- Scientific notation: 8.104608 × 107
Factors of 81046080
Divisors of 81046080
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 107 120 144 160 180 192 214 240 263 288 320 321 360 428 480 526 535 576 642 720 789 856 960 963 1052 1070 1284 1315 1440 1578 1605 1712 1926 2104 2140 2367 2568 2630 2880 3156 3210 3424 3852 3945 4208 4280 4734 4815 5136 5260 6312 6420 6848 7704 7890 8416 8560 9468 9630 10272 10520 11835 12624 12840 15408 15780 16832 17120 18936 19260 20544 21040 23670 25248 25680 28141 30816 31560 34240 37872 38520 42080 47340 50496 51360 56282 61632 63120 75744 77040 84160 84423 94680 102720 112564 126240 140705 151488 154080 168846 189360 225128 252480 253269 281410 308160 337692 378720 422115 450256 506538 562820 675384 757440 844230 900512 1013076 1125640 1266345 1350768 1688460 1801024 2026152 2251280 2532690 2701536 3376920 4052304 4502560 5065380 5403072 6753840 8104608 9005120 10130760 13507680 16209216 20261520 27015360 40523040 81046080
- Sum of all divisors σ(n): 282439872
- Sum of proper divisors (its aliquot sum) s(n): 201393792
- 81046080 is an abundant number, because the sum of its proper divisors (201393792) is greater than itself. Its abundance is 120347712
Bases of 81046080
- Binary: 1001101010010101010010000002
- Hexadecimal: 0x4D4AA40
- Base-36: 1C93K0
Squares and roots of 81046080
- 81046080 squared (810460802) is 6568467083366400
- 81046080 cubed (810460803) is 532348508715879923712000
-
The
square root of 81046080 is 9002.5596360147 -
The
cube root of 81046080 is 432.7569035139
Scales and comparisons
How big is 81046080?- 81,046,080 seconds is equal to 2 years, 30 weeks, 48 minutes.
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To count from 1 to 81,046,080 would take you about three 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 81046080 cubic inches would be around 36.1 feet tall.
Recreational maths with 81046080
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