71689968
71,689,968 is an even composite number composed of five prime numbers multiplied together.
71689968 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 71689968:
24 × 33 × 7 × 151 × 157
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 151 × 157)See below for interesting mathematical facts about the number 71689968 from the Numbermatics database.
Names of 71689968
- Cardinal: 71689968 can be written as Seventy-one million, six hundred eighty-nine thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 7.1689968 × 107
Factors of 71689968
Divisors of 71689968
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 151 157 168 189 216 252 302 314 336 378 432 453 471 504 604 628 756 906 942 1008 1057 1099 1208 1256 1359 1413 1512 1812 1884 2114 2198 2416 2512 2718 2826 3024 3171 3297 3624 3768 4077 4228 4239 4396 5436 5652 6342 6594 7248 7536 8154 8456 8478 8792 9513 9891 10872 11304 12684 13188 16308 16912 16956 17584 19026 19782 21744 22608 23707 25368 26376 28539 29673 32616 33912 38052 39564 47414 50736 52752 57078 59346 65232 67824 71121 76104 79128 94828 114156 118692 142242 152208 158256 165949 189656 213363 228312 237384 284484 331898 379312 426726 456624 474768 497847 568968 640089 663796 853452 995694 1137936 1280178 1327592 1493541 1706904 1991388 2560356 2655184 2987082 3413808 3982776 4480623 5120712 5974164 7965552 8961246 10241424 11948328 17922492 23896656 35844984 71689968
- Sum of all divisors σ(n): 238238720
- Sum of proper divisors (its aliquot sum) s(n): 166548752
- 71689968 is an abundant number, because the sum of its proper divisors (166548752) is greater than itself. Its abundance is 94858784
Bases of 71689968
- Binary: 1000100010111100110111100002
- Hexadecimal: 0x445E6F0
- Base-36: 16OKC0
Squares and roots of 71689968
- 71689968 squared (716899682) is 5139451511841024
- 71689968 cubed (716899683) is 368447114421434631647232
-
The
square root of 71689968 is 8466.9928546091 -
The
cube root of 71689968 is 415.4187827545
Scales and comparisons
How big is 71689968?- 71,689,968 seconds is equal to 2 years, 14 weeks, 3 days, 17 hours, 52 minutes, 48 seconds.
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To count from 1 to 71,689,968 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 71689968 cubic inches would be around 34.6 feet tall.
Recreational maths with 71689968
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