128978273120
128,978,273,120 is an even composite number composed of five prime numbers multiplied together.
128978273120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 128978273120:
25 × 5 × 61 × 89 × 148483
(2 × 2 × 2 × 2 × 2 × 5 × 61 × 89 × 148483)See below for interesting mathematical facts about the number 128978273120 from the Numbermatics database.
Names of 128978273120
- Cardinal: 128978273120 can be written as One hundred twenty-eight billion, nine hundred seventy-eight million, two hundred seventy-three thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.2897827312 × 1011
Factors of 128978273120
Divisors of 128978273120
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 61 80 89 122 160 178 244 305 356 445 488 610 712 890 976 1220 1424 1780 1952 2440 2848 3560 4880 5429 7120 9760 10858 14240 21716 27145 43432 54290 86864 108580 148483 173728 217160 296966 434320 593932 742415 868640 1187864 1484830 2375728 2969660 4751456 5939320 9057463 11878640 13214987 18114926 23757280 26429974 36229852 45287315 52859948 66074935 72459704 90574630 105719896 132149870 144919408 181149260 211439792 264299740 289838816 362298520 422879584 528599480 724597040 806114207 1057198960 1449194080 1612228414 2114397920 3224456828 4030571035 6448913656 8061142070 12897827312 16122284140 25795654624 32244568280 64489136560 128978273120
- Sum of all divisors σ(n): 313188392160
- Sum of proper divisors (its aliquot sum) s(n): 184210119040
- 128978273120 is an abundant number, because the sum of its proper divisors (184210119040) is greater than itself. Its abundance is 55231845920
Bases of 128978273120
- Binary: 11110000001111011010001000011011000002
- Hexadecimal: 0x1E07B44360
- Base-36: 1N92C0GW
Squares and roots of 128978273120
- 128978273120 squared (1289782731202) is 16635394937017314534400
- 128978273120 cubed (1289782731203) is 2145604511645684392186788835328000
-
The
square root of 128978273120 is 359135.4523296189 -
The
cube root of 128978273120 is 5052.4906593899
Scales and comparisons
How big is 128978273120?- 128,978,273,120 seconds is equal to 4,101 years, 5 weeks, 5 days, 2 hours, 5 minutes, 20 seconds.
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To count from 1 to 128,978,273,120 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 128978273120 cubic inches would be around 421 feet tall.
Recreational maths with 128978273120
- 128978273120 backwards is 021372879821
- The number of decimal digits it has is: 12
- The sum of 128978273120's digits is 50
- More coming soon!
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