129642751 is an odd 9-digits composite number following 129642750
and preceding 129642752 . In scientific notation, it is written as 1.29642751 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 109300320 positive integers (up to 129642751) that are relatively prime to 129642751.
129642751 has 8 divisors, whose sum is 150592544
The reverse of 129642751 is 157246921
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million six hundred forty-two thousand seven hundred fifty-one
Scientific notation
1.29642751 × 10^8
Engineering notation
1.29642751 × 10^6
Prime Factorization
7 × 61 × 303613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129642751
Product of the distinct prime numbers
The prime factorization of 129642751 is 7 × 61 × 303613.
Since it has a total of 3 prime factors.
4 , 3 , 44 , 62 , 835 , 955 , 4267 , 2029 , 88044 , 21560 , 863355 , 715203 , 7276347 , 3197431 , 12695449 , 30904987 , 672477375 , 781576701 , 203214637 , 99588671
n×2
259285502
n×3
388928253
n×4
518571004
n×5
648213755
n÷2
64821375.5
n÷3
43214250.333333
n÷3
32410687.75
n÷5
25928550.2
n2
16807242886848001
n3
2.1789372045762E+24
n4
2.824834134575E+32
n5
3.6621926832501E+40
2 √n
11386.077068069
3 √n
506.11523749253
4 √n
106.70556249825
5 √n
41.932393016751
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129642750
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129642751 can be divided by 8 positive divisors.
The sum of these divisors (counting 129642751) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100011000011111111
3
Ternary
100000221112102101
4
Quaternary
13232203003333
5
Quinary
231142032001
6
Senary
20510405531
8
Octal
756430377
10
Decimal
129642751
12
Duodecimal
375008a7
16
Hexadecimal
7ba30ff
20
Vigesimal
20a56hb
36
Base36
256ozj
md5
e2946bc07b05eee83c952111f7e2f448
sha1
f18a1efc267bc43a3e643e5240bc2ca9ce9b0b66
sha256
150c81cb49e85bbd0ebc21fa7e93976c58e5ee9601c71c1c45e9e73d8fb9fb51
sha512
5091a6d52b2628b43360403a696f5f9f5e4546a9a0c93194629cd88d5a90111b186b08d30a0bcde3fddafa505d92ab7d79eea4e7f784fa70a2f89cc34bcb78ff
ripemd-160
9cb58ce3db6184acc54cc8fea963c868023b2f91
Diameter
259285502
Circumference
814569428.26554
Area
5.2801510780421E+16
Volume
9.1271108193732E+24
Surface area
2.1120604312168E+17
Circumference
814569428.26554
Perimeter
518571004
Area
16807242886848001
Diagonal
183342536.72756
Surface area
100843457321088006
Volume
2.1789372045762E+24
Space diagonal
224547831.565
Perimeter
388928253
Area
7.2777496537928E+15
Altitude
112273915.7825
Surface area
7.2777496537928E+15
Volume
2.5679021218924E+23
Height
61114178.909186