128038439520
128,038,439,520 is an even composite number composed of four prime numbers multiplied together.
128038439520 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 128038439520:
25 × 32 × 5 × 88915583
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 88915583)See below for interesting mathematical facts about the number 128038439520 from the Numbermatics database.
Names of 128038439520
- Cardinal: 128038439520 can be written as One hundred twenty-eight billion, thirty-eight million, four hundred thirty-nine thousand, five hundred twenty.
Scientific notation
- Scientific notation: 1.2803843952 × 1011
Factors of 128038439520
Divisors of 128038439520
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 88915583 177831166 266746749 355662332 444577915 533493498 711324664 800240247 889155830 1066986996 1333733745 1422649328 1600480494 1778311660 2133973992 2667467490 2845298656 3200960988 3556623320 4001201235 4267947984 5334934980 6401921976 7113246640 8002402470 8535895968 10669869960 12803843952 14226493280 16004804940 21339739920 25607687904 32009609880 42679479840 64019219760 128038439520
- Sum of all divisors σ(n): 436931179776
- Sum of proper divisors (its aliquot sum) s(n): 308892740256
- 128038439520 is an abundant number, because the sum of its proper divisors (308892740256) is greater than itself. Its abundance is 180854300736
Bases of 128038439520
- Binary: 11101110011111010111110001010011000002
- Hexadecimal: 0x1DCFAF8A60
- Base-36: 1MTIS480
Squares and roots of 128038439520
- 128038439520 squared (1280384395202) is 16393841994716697830400
- 128038439520 cubed (1280384395203) is 2099041946740970074691785617408000
-
The
square root of 128038439520 is 357824.5932296997 -
The
cube root of 128038439520 is 5040.1886361747
Scales and comparisons
How big is 128038439520?- 128,038,439,520 seconds is equal to 4,071 years, 11 weeks, 5 days, 9 hours, 12 minutes.
-
To count from 1 to 128,038,439,520 would take you about eight thousand, one hundred forty-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 128038439520 cubic inches would be around 420 feet tall.
Recreational maths with 128038439520
- 128038439520 backwards is 025934830821
- 128038439520 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 128038439520's digits is 45
- More coming soon!
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