126401280
126,401,280 is an even composite number composed of four prime numbers multiplied together.
126401280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 126401280:
28 × 3 × 5 × 32917
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 32917)See below for interesting mathematical facts about the number 126401280 from the Numbermatics database.
Names of 126401280
- Cardinal: 126401280 can be written as One hundred twenty-six million, four hundred one thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.2640128 × 108
Factors of 126401280
Divisors of 126401280
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 32917 65834 98751 131668 164585 197502 263336 329170 395004 493755 526672 658340 790008 987510 1053344 1316680 1580016 1975020 2106688 2633360 3160032 3950040 4213376 5266720 6320064 7900080 8426752 10533440 12640128 15800160 21066880 25280256 31600320 42133760 63200640 126401280
- Sum of all divisors σ(n): 403706352
- Sum of proper divisors (its aliquot sum) s(n): 277305072
- 126401280 is an abundant number, because the sum of its proper divisors (277305072) is greater than itself. Its abundance is 150903792
Bases of 126401280
- Binary: 1111000100010111011000000002
- Hexadecimal: 0x788BB00
- Base-36: 2397UO
Squares and roots of 126401280
- 126401280 squared (1264012802) is 15977283585638400
- 126401280 cubed (1264012803) is 2019549096147683377152000
-
The
square root of 126401280 is 11242.8323833453 -
The
cube root of 126401280 is 501.8614348541
Scales and comparisons
How big is 126401280?- 126,401,280 seconds is equal to 4 years, 6 days, 23 hours, 28 minutes.
-
To count from 1 to 126,401,280 would take you about six 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 126401280 cubic inches would be around 41.8 feet tall.
Recreational maths with 126401280
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