128988909120
128,988,909,120 is an even composite number composed of five prime numbers multiplied together.
128988909120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 128988909120:
26 × 3 × 5 × 23 × 24172
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 23 × 2417 × 2417)See below for interesting mathematical facts about the number 128988909120 from the Numbermatics database.
Names of 128988909120
- Cardinal: 128988909120 can be written as One hundred twenty-eight billion, nine hundred eighty-eight million, nine hundred nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.2898890912 × 1011
Factors of 128988909120
Divisors of 128988909120
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 138 160 184 192 230 240 276 320 345 368 460 480 552 690 736 920 960 1104 1380 1472 1840 2208 2417 2760 3680 4416 4834 5520 7251 7360 9668 11040 12085 14502 19336 22080 24170 29004 36255 38672 48340 55591 58008 72510 77344 96680 111182 116016 145020 154688 166773 193360 222364 232032 277955 290040 333546 386720 444728 464064 555910 580080 667092 773440 833865 889456 1111820 1160160 1334184 1667730 1778912 2223640 2320320 2668368 3335460 3557824 4447280 5336736 5841889 6670920 8894560 10673472 11683778 13341840 17525667 17789120 23367556 26683680 29209445 35051334 46735112 53367360 58418890 70102668 87628335 93470224 116837780 134363447 140205336 175256670 186940448 233675560 268726894 280410672 350513340 373880896 403090341 467351120 537453788 560821344 671817235 701026680 806180682 934702240 1074907576 1121642688 1343634470 1402053360 1612361364 1869404480 2015451705 2149815152 2687268940 2804106720 3224722728 4030903410 4299630304 5374537880 5608213440 6449445456 8061806820 8599260608 10749075760 12898890912 16123613640 21498151520 25797781824 32247227280 42996303040 64494454560 128988909120
- Sum of all divisors σ(n): 427522745664
- Sum of proper divisors (its aliquot sum) s(n): 298533836544
- 128988909120 is an abundant number, because the sum of its proper divisors (298533836544) is greater than itself. Its abundance is 169544927424
Bases of 128988909120
- Binary: 11110000010000101011010001110010000002
- Hexadecimal: 0x1E08568E40
- Base-36: 1N98NZ9C
Squares and roots of 128988909120
- 128988909120 squared (1289889091202) is 16638138675967619174400
- 128988909120 cubed (1289889091203) is 2146135357600344357749451030528000
-
The
square root of 128988909120 is 359150.2598077857 -
The
cube root of 128988909120 is 5052.6295375961
Scales and comparisons
How big is 128988909120?- 128,988,909,120 seconds is equal to 4,101 years, 23 weeks, 2 days, 4 hours, 32 minutes.
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To count from 1 to 128,988,909,120 would take you about eight thousand, two hundred two 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 128988909120 cubic inches would be around 421.1 feet tall.
Recreational maths with 128988909120
- 128988909120 backwards is 021909889821
- The number of decimal digits it has is: 12
- The sum of 128988909120's digits is 57
- More coming soon!
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