128998011472
128,998,011,472 is an even composite number composed of five prime numbers multiplied together.
128998011472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 128998011472:
24 × 11 × 139 × 3331 × 1583
(2 × 2 × 2 × 2 × 11 × 139 × 3331 × 1583)See below for interesting mathematical facts about the number 128998011472 from the Numbermatics database.
Names of 128998011472
- Cardinal: 128998011472 can be written as One hundred twenty-eight billion, nine hundred ninety-eight million, eleven thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.28998011472 × 1011
Factors of 128998011472
Divisors of 128998011472
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 8 11 16 22 44 88 139 176 278 556 1112 1529 1583 2224 3058 3166 3331 6116 6332 6662 12232 12664 13324 17413 24464 25328 26648 34826 36641 53296 69652 73282 139304 146564 220037 278608 293128 440074 463009 586256 880148 926018 1760296 1852036 2420407 3520592 3704072 4840814 5093099 5272973 7408144 9681628 10186198 10545946 19363256 20372396 21091892 38726512 40744792 42183784 58002703 81489584 84367568 116005406 232010812 464021624 732943247 928043248 1465886494 2931772988 5863545976 8062375717 11727091952 16124751434 32249502868 64499005736 128998011472
- Sum of all divisors σ(n): 274872407040
- Sum of proper divisors (its aliquot sum) s(n): 145874395568
- 128998011472 is an abundant number, because the sum of its proper divisors (145874395568) is greater than itself. Its abundance is 16876384096
Bases of 128998011472
- Binary: 11110000010001110000101110010010100002
- Hexadecimal: 0x1E08E17250
- Base-36: 1N9E32OG
Squares and roots of 128998011472
- 128998011472 squared (1289980114722) is 16640486963730243606784
- 128998011472 cubed (1289980114723) is 2146589728246940412701277089026048
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The
square root of 128998011472 is 359162.9316508039 -
The
cube root of 128998011472 is 5052.7483843277
Scales and comparisons
How big is 128998011472?- 128,998,011,472 seconds is equal to 4,101 years, 38 weeks, 2 days, 12 hours, 57 minutes, 52 seconds.
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To count from 1 to 128,998,011,472 would take you about eight thousand, two hundred 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 128998011472 cubic inches would be around 421.1 feet tall.
Recreational maths with 128998011472
- 128998011472 backwards is 274110899821
- The number of decimal digits it has is: 12
- The sum of 128998011472's digits is 52
- More coming soon!
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