128704960
128,704,960 is an even composite number composed of five prime numbers multiplied together.
128704960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 128704960:
26 × 5 × 17 × 59 × 401
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 59 × 401)See below for interesting mathematical facts about the number 128704960 from the Numbermatics database.
Names of 128704960
- Cardinal: 128704960 can be written as One hundred twenty-eight million, seven hundred four thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 1.2870496 × 108
Factors of 128704960
Divisors of 128704960
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 4 5 8 10 16 17 20 32 34 40 59 64 68 80 85 118 136 160 170 236 272 295 320 340 401 472 544 590 680 802 944 1003 1088 1180 1360 1604 1888 2005 2006 2360 2720 3208 3776 4010 4012 4720 5015 5440 6416 6817 8020 8024 9440 10030 12832 13634 16040 16048 18880 20060 23659 25664 27268 32080 32096 34085 40120 47318 54536 64160 64192 68170 80240 94636 109072 118295 128320 136340 160480 189272 218144 236590 272680 320960 378544 402203 436288 473180 545360 757088 804406 946360 1090720 1514176 1608812 1892720 2011015 2181440 3217624 3785440 4022030 6435248 7570880 8044060 12870496 16088120 25740992 32176240 64352480 128704960
- Sum of all divisors σ(n): 330829920
- Sum of proper divisors (its aliquot sum) s(n): 202124960
- 128704960 is an abundant number, because the sum of its proper divisors (202124960) is greater than itself. Its abundance is 73420000
Bases of 128704960
- Binary: 1111010101111100001110000002
- Hexadecimal: 0x7ABE1C0
- Base-36: 24MLDS
Squares and roots of 128704960
- 128704960 squared (1287049602) is 16564966728601600
- 128704960 cubed (1287049603) is 2131993380205999783936000
-
The
square root of 128704960 is 11344.8208447731 -
The
cube root of 128704960 is 504.8919286435
Scales and comparisons
How big is 128704960?- 128,704,960 seconds is equal to 4 years, 4 weeks, 5 days, 15 hours, 22 minutes, 40 seconds.
-
To count from 1 to 128,704,960 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 128704960 cubic inches would be around 42.1 feet tall.
Recreational maths with 128704960
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