728160768
728,160,768 is an even composite number composed of four prime numbers multiplied together.
728160768 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 728160768:
29 × 32 × 29 × 5449
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 29 × 5449)See below for interesting mathematical facts about the number 728160768 from the Numbermatics database.
Names of 728160768
- Cardinal: 728160768 can be written as Seven hundred twenty-eight million, one hundred sixty thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 7.28160768 × 108
Factors of 728160768
Divisors of 728160768
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 256 261 288 348 384 464 512 522 576 696 768 928 1044 1152 1392 1536 1856 2088 2304 2784 3712 4176 4608 5449 5568 7424 8352 10898 11136 14848 16347 16704 21796 22272 32694 33408 43592 44544 49041 65388 66816 87184 98082 130776 133632 158021 174368 196164 261552 316042 348736 392328 474063 523104 632084 697472 784656 948126 1046208 1264168 1394944 1422189 1569312 1896252 2092416 2528336 2789888 2844378 3138624 3792504 4184832 5056672 5688756 6277248 7585008 8369664 10113344 11377512 12554496 15170016 20226688 22755024 25108992 30340032 40453376 45510048 60680064 80906752 91020096 121360128 182040192 242720256 364080384 728160768
- Sum of all divisors σ(n): 2174386500
- Sum of proper divisors (its aliquot sum) s(n): 1446225732
- 728160768 is an abundant number, because the sum of its proper divisors (1446225732) is greater than itself. Its abundance is 718064964
Bases of 728160768
- Binary: 1010110110011011011010000000002
- Hexadecimal: 0x2B66DA00
- Base-36: C1J0G0
Squares and roots of 728160768
- 728160768 squared (7281607682) is 530218104054349824
- 728160768 cubed (7281607683) is 386084021855719281584504832
-
The
square root of 728160768 is 26984.4541912563 -
The
cube root of 728160768 is 899.6545044237
Scales and comparisons
How big is 728160768?- 728,160,768 seconds is equal to 23 years, 7 weeks, 6 days, 18 hours, 52 minutes, 48 seconds.
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To count from 1 to 728,160,768 would take you about thirty-four 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 728160768 cubic inches would be around 75 feet tall.
Recreational maths with 728160768
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