128764272
128,764,272 is an even composite number composed of six prime numbers multiplied together.
128764272 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 128764272:
24 × 3 × 7 × 13 × 41 × 719
(2 × 2 × 2 × 2 × 3 × 7 × 13 × 41 × 719)See below for interesting mathematical facts about the number 128764272 from the Numbermatics database.
Names of 128764272
- Cardinal: 128764272 can be written as One hundred twenty-eight million, seven hundred sixty-four thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 1.28764272 × 108
Factors of 128764272
Divisors of 128764272
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 41 42 48 52 56 78 82 84 91 104 112 123 156 164 168 182 208 246 273 287 312 328 336 364 492 533 546 574 624 656 719 728 861 984 1066 1092 1148 1438 1456 1599 1722 1968 2132 2157 2184 2296 2876 3198 3444 3731 4264 4314 4368 4592 5033 5752 6396 6888 7462 8528 8628 9347 10066 11193 11504 12792 13776 14924 15099 17256 18694 20132 22386 25584 28041 29479 29848 30198 34512 37388 40264 44772 56082 58958 59696 60396 65429 74776 80528 88437 89544 112164 117916 120792 130858 149552 176874 179088 196287 206353 224328 235832 241584 261716 353748 383227 392574 412706 448656 471664 523432 619059 707496 766454 785148 825412 1046864 1149681 1238118 1414992 1532908 1570296 1650824 2299362 2476236 2682589 3065816 3140592 3301648 4598724 4952472 5365178 6131632 8047767 9197448 9904944 10730356 16095534 18394896 21460712 32191068 42921424 64382136 128764272
- Sum of all divisors σ(n): 419973120
- Sum of proper divisors (its aliquot sum) s(n): 291208848
- 128764272 is an abundant number, because the sum of its proper divisors (291208848) is greater than itself. Its abundance is 162444576
Bases of 128764272
- Binary: 1111010110011001001011100002
- Hexadecimal: 0x7ACC970
- Base-36: 24NV5C
Squares and roots of 128764272
- 128764272 squared (1287642722) is 16580237743689984
- 128764272 cubed (1287642723) is 2134942242653163383451648
-
The
square root of 128764272 is 11347.4345999437 -
The
cube root of 128764272 is 504.9694743501
Scales and comparisons
How big is 128764272?- 128,764,272 seconds is equal to 4 years, 4 weeks, 6 days, 7 hours, 51 minutes, 12 seconds.
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To count from 1 to 128,764,272 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 128764272 cubic inches would be around 42.1 feet tall.
Recreational maths with 128764272
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