128424972 is an even 9-digits composite number following 128424971
and preceding 128424973 . In scientific notation, it is written as 1.28424972 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 39515328 positive integers (up to 128424972) that are relatively prime to 128424972.
128424972 has 24 divisors, whose sum is 322709296
The reverse of 128424972 is 279424821
Previous prime number is 13
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred twenty-eight million four hundred twenty-four thousand nine hundred seventy-two
Scientific notation
1.28424972 × 10^8
Engineering notation
1.28424972 × 10^6
Prime Factorization
2 × 2 × 3 × 13 × 823237
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64212486 Product of the distinct prime numbers
The prime factorization of 128424972 is 2 × 2 × 3 × 13 × 823237.
Since it has a total of 5 prime factors.
6 , 6 , 51 , 75 , 1000 , 418 , 3668 , 2244 , 57174 , 72911 , 792329 , 574541 , 7780845 , 1296881 , 94445467 , 44343282 , 709175720 , 61860184 , 559548784 , 1622635078
n×2
256849944
n×3
385274916
n×4
513699888
n×5
642124860
n÷2
64212486
n÷3
42808324
n÷3
32106243
n÷5
25684994.4
n2
16492973433200784
n3
2.1181096513556E+24
n4
2.7201817266827E+32
n5
3.4933926208413E+40
2 √n11332.47422234
3 √n504.5255446438
4 √n106.45409443671
5 √n41.853318264155
1 , 2 , 3 , 4 , 6 , 12 , 13 , 26 , 39 , 52 , 78 , 156 , 823237 , 1646474 , 2469711 , 3292948 , 4939422 , 9878844 , 10702081 , 21404162 , 32106243 , 42808324 , 64212486 , 128424972
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128424971 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
1 Returns the nth root of the product of n divisors
H Harmonic Mean
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128424972 can be divided by 24 positive divisors.
The sum of these divisors (counting 128424972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001111001110000001100
3
Ternary
22221122122221110
4
Quaternary
13221321300030
5
Quinary
230334044342
6
Senary
20424332020
8
Octal
751716014
10
Decimal
128424972
12
Duodecimal
37014010
16
Hexadecimal
7a79c0c
20
Vigesimal
202d28c
36
Base36
24glcc
md5
a2445c4ca542364ddfb76a71e8d28ff1
sha1
244339322572f893db2c5db2fcdc42f2d3290a72
sha256
059069cef9d51684555bb37e3b9a8d8730b01c9e12d82753ecc6068f9c8e3889
sha512
46942126b4caa1e3884de58ce2170f2a42b250edcd8b0079108dd16e29e5244d7434534877a0f0391d8cc98bf4020734146e49867fcd2c0631e026ec8e4ad731
ripemd-160
2d777b4d435b77f06b9414f47e02e4f2bf16b379
Diameter
256849944
Circumference
806917897.14535
Area
5.1814204173595E+16
Volume
8.8723169602617E+24
Surface area
2.0725681669438E+17
Circumference
806917897.14535
Perimeter
513699888
Area
16492973433200784
Diagonal
181620337.14979
Surface area
98957840599204704
Volume
2.1181096513556E+24
Space diagonal
222438576.46461
Perimeter
385274916
Area
7.1416669885469E+15
Altitude
111219288.23231
Surface area
7.1416669885469E+15
Volume
2.4962161629503E+23
Height
60540112.383262