129628138 is an even 9-digits composite number following 129628137
and preceding 129628139 . In scientific notation, it is written as 1.29628138 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 61505136 positive integers (up to 129628138) that are relatively prime to 129628138.
129628138 has 16 divisors, whose sum is 204503040
The reverse of 129628138 is 831826921
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million six hundred twenty-eight thousand one hundred thirty-eight
Scientific notation
1.29628138 × 10^8
Engineering notation
1.29628138 × 10^6
Prime Factorization
2 × 127 × 23 × 22189
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129628138
Product of the distinct prime numbers
The prime factorization of 129628138 is 2 × 127 × 23 × 22189.
Since it has a total of 4 prime factors.
3 , 3 , 21 , 51 , 762 , 802 , 7424 , 3552 , 58639 , 68221 , 615675 , 790324 , 4609103 , 6094209 , 61385423 , 39918143 , 993311982 , 872204751 , 4848828708 , 5955710326
n×2
259256276
n×3
388884414
n×4
518512552
n×5
648140690
n÷2
64814069
n÷3
43209379.333333
n÷3
32407034.5
n÷5
25925627.6
n2
16803454161347044
n3
2.1782004749038E+24
n4
2.8235607175249E+32
n5
3.660129183427E+40
2 √n
11385.435345212
3 √n
506.09622077208
4 √n
106.70255547648
5 √n
41.931447671664
1 , 2 , 23 , 46 , 127 , 254 , 2921 , 5842 , 22189 , 44378 , 510347 , 1020694 , 2818003 , 5636006 , 64814069 , 129628138
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129628137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129628138 can be divided by 16 positive divisors.
The sum of these divisors (counting 129628138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110011111011111101010
3
Ternary
100000220210101011
4
Quaternary
13232133133222
5
Quinary
231141100023
6
Senary
20510214134
8
Octal
756373752
10
Decimal
129628138
12
Duodecimal
374b434a
16
Hexadecimal
7b9f7ea
20
Vigesimal
20a3a6i
36
Base36
256dpm
md5
528dd78b65c4d34dbbbb255b01ce4ab1
sha1
95b30e18fff3a40c85a55cf390864cb9715c2f19
sha256
9882d14271b5bc1be10cffe69c956353bc856b04bc9647da194c3dc59e4f9a80
sha512
500deb1b464f2cbbcb2e40ffc71480010639752d20d4e1fa75f3102441251f433406d8401af5d527923ee4e1a073ba0db85dea7aaa1ce3629567c930395a857e
ripemd-160
2cb6daa5ecedc198e0339d9267a5b454a763a220
Diameter
259256276
Circumference
814477612.07865
Area
5.2789608148221E+16
Volume
9.124024813338E+24
Surface area
2.1115843259288E+17
Circumference
814477612.07865
Perimeter
518512552
Area
16803454161347044
Diagonal
183321870.82477
Surface area
100820724968082264
Volume
2.1782004749038E+24
Space diagonal
224522521.10655
Perimeter
388884414
Area
7.2761090875269E+15
Altitude
112261260.55327
Surface area
7.2761090875269E+15
Volume
2.567033877647E+23
Height
61107290.274924