81472347440
81,472,347,440 is an even composite number composed of six prime numbers multiplied together.
What does the number 81472347440 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 160 divisors.
81472347440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 81472347440:
24 × 5 × 11 × 31 × 631 × 4733
(2 × 2 × 2 × 2 × 5 × 11 × 31 × 631 × 4733)See below for interesting mathematical facts about the number 81472347440 from the Numbermatics database.
Names of 81472347440
- Cardinal: 81472347440 can be written as Eighty-one billion, four hundred seventy-two million, three hundred forty-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 8.147234744 × 1010
Factors of 81472347440
Divisors of 81472347440
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 31 40 44 55 62 80 88 110 124 155 176 220 248 310 341 440 496 620 631 682 880 1240 1262 1364 1705 2480 2524 2728 3155 3410 4733 5048 5456 6310 6820 6941 9466 10096 12620 13640 13882 18932 19561 23665 25240 27280 27764 34705 37864 39122 47330 50480 52063 55528 69410 75728 78244 94660 97805 104126 111056 138820 146723 156488 189320 195610 208252 215171 260315 277640 293446 312976 378640 391220 416504 430342 520630 555280 586892 733615 782440 833008 860684 1041260 1075855 1173784 1467230 1564880 1613953 1721368 2082520 2151710 2347568 2934460 2986523 3227906 3442736 4165040 4303420 5868920 5973046 6455812 8069765 8606840 11737840 11946092 12911624 14932615 16139530 17213680 23892184 25823248 29865230 32279060 32851753 47784368 59730460 64558120 65703506 92582213 119460920 129116240 131407012 164258765 185164426 238921840 262814024 328517530 370328852 462911065 525628048 657035060 740657704 925822130 1018404343 1314070120 1481315408 1851644260 2036808686 2628140240 3703288520 4073617372 5092021715 7406577040 8147234744 10184043430 16294469488 20368086860 40736173720 81472347440
- Sum of all divisors σ(n): 213692608512
- Sum of proper divisors (its aliquot sum) s(n): 132220261072
- 81472347440 is an abundant number, because the sum of its proper divisors (132220261072) is greater than itself. Its abundance is 50747913632
Bases of 81472347440
- Binary: 10010111110000010000101011101001100002
- Hexadecimal: 0x12F8215D30
- Base-36: 11FEJ5M8
Squares and roots of 81472347440
- 81472347440 squared (814723474402) is 6637743397384074553600
- 81472347440 cubed (814723474403) is 540792536289241309153762102784000
-
The
square root of 81472347440 is 285433.6130171077 -
The
cube root of 81472347440 is 4335.1428214723
Scales and comparisons
How big is 81472347440?- 81,472,347,440 seconds is equal to 2,590 years, 29 weeks, 3 days, 23 hours, 37 minutes, 20 seconds.
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To count from 1 to 81,472,347,440 would take you about five thousand, one hundred eighty-one 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 81472347440 cubic inches would be around 361.3 feet tall.
Recreational maths with 81472347440
- 81472347440 backwards is 04474327418
- 81472347440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81472347440's digits is 44
- More coming soon!
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Numbermatics. (2024). Number 81472347440 - Facts about the integer. Retrieved 21 June 2024, from https://numbermatics.com/n/81472347440/
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The information we have on file for 81472347440 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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