71481391616
71,481,391,616 is an even composite number composed of four prime numbers multiplied together.
71481391616 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 71481391616:
29 × 232 × 412 × 157
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 23 × 23 × 41 × 41 × 157)See below for interesting mathematical facts about the number 71481391616 from the Numbermatics database.
Names of 71481391616
- Cardinal: 71481391616 can be written as Seventy-one billion, four hundred eighty-one million, three hundred ninety-one thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 7.1481391616 × 1010
Factors of 71481391616
Divisors of 71481391616
- Number of divisors d(n): 180
-
Complete list of divisors:
1 2 4 8 16 23 32 41 46 64 82 92 128 157 164 184 256 314 328 368 512 529 628 656 736 943 1058 1256 1312 1472 1681 1886 2116 2512 2624 2944 3362 3611 3772 4232 5024 5248 5888 6437 6724 7222 7544 8464 10048 10496 11776 12874 13448 14444 15088 16928 20096 20992 21689 25748 26896 28888 30176 33856 38663 40192 43378 51496 53792 57776 60352 67712 77326 80384 83053 86756 102992 107584 115552 120704 135424 148051 154652 166106 173512 205984 215168 231104 241408 263917 270848 296102 309304 332212 347024 411968 430336 462208 482816 527834 592204 618608 664424 694048 823936 860672 889249 924416 1055668 1184408 1237216 1328848 1388096 1647872 1778498 1848832 2111336 2368816 2474432 2657696 2776192 3295744 3405173 3556996 4222672 4737632 4948864 5315392 5552384 6070091 6810346 7113992 8445344 9475264 9897728 10630784 11104768 12140182 13620692 14227984 16890688 18950528 19795456 21261568 24280364 27241384 28455968 33781376 37901056 42523136 48560728 54482768 56911936 67562752 75802112 97121456 108965536 113823872 135125504 139612093 194242912 217931072 227647744 279224186 388485824 435862144 455295488 558448372 776971648 871724288 1116896744 1553943296 1743448576 2233793488 3107886592 4467586976 8935173952 17870347904 35740695808 71481391616
- Sum of all divisors σ(n): 154007946246
- Sum of proper divisors (its aliquot sum) s(n): 82526554630
- 71481391616 is an abundant number, because the sum of its proper divisors (82526554630) is greater than itself. Its abundance is 11045163014
Bases of 71481391616
- Binary: 10000101001001001111101111010000000002
- Hexadecimal: 0x10A49F7A00
- Base-36: WU66ARK
Squares and roots of 71481391616
- 71481391616 squared (714813916162) is 5109589347359955091456
- 71481391616 cubed (714813916163) is 365240557135578805608539431632896
-
The
square root of 71481391616 is 267360.0411729471 -
The
cube root of 71481391616 is 4150.1551520067
Scales and comparisons
How big is 71481391616?- 71,481,391,616 seconds is equal to 2,272 years, 46 weeks, 22 hours, 6 minutes, 56 seconds.
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To count from 1 to 71,481,391,616 would take you about four thousand, five hundred forty-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 71481391616 cubic inches would be around 345.8 feet tall.
Recreational maths with 71481391616
- 71481391616 backwards is 61619318417
- The number of decimal digits it has is: 11
- The sum of 71481391616's digits is 47
- More coming soon!
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