129657940 is an even 9-digits composite number following 129657939
and preceding 129657941 . In scientific notation, it is written as 1.29657940 × 10^8.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 51012480 positive integers (up to 129657940) that are relatively prime to 129657940.
129657940 has 24 divisors, whose sum is 276747912
The reverse of 129657940 is 049756921
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million six hundred fifty-seven thousand nine hundred forty
Scientific notation
1.29657940 × 10^8
Engineering notation
1.29657940 × 10^6
Prime Factorization
2 × 2 × 5 × 61 × 106277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64828970
Product of the distinct prime numbers
The prime factorization of 129657940 is 2 × 2 × 5 × 61 × 106277.
Since it has a total of 5 prime factors.
9 , 8 , 23 , 96 , 122 , 373 , 9030 , 1173 , 44139 , 65022 , 235127 , 693551 , 8735813 , 3687924 , 94017933 , 59293897 , 89295726 , 699172118 , 116150557 , 1522999440
n×2
259315880
n×3
388973820
n×4
518631760
n×5
648289700
n÷2
64828970
n÷3
43219313.333333
n÷3
32414485
n÷5
25931588
n2
16811181405043600
n3
2.1797031499443E+24
n4
2.8261582023328E+32
n5
3.6643385062858E+40
2 √n
11386.744047356
3 √n
506.1350022797
4 √n
106.70868777825
5 √n
41.933375534117
1 , 2 , 4 , 5 , 10 , 20 , 61 , 122 , 244 , 305 , 610 , 1220 , 106277 , 212554 , 425108 , 531385 , 1062770 , 2125540 , 6482897 , 12965794 , 25931588 , 32414485 , 64828970 , 129657940
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
-129657939
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 129657940 can be divided by 24 positive divisors.
The sum of these divisors (counting 129657940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101110100110110001010100
3
Ternary
100000222022020221
4
Quaternary
13232212301110
5
Quinary
231143023230
6
Senary
20511004124
8
Octal
756466124
10
Decimal
129657940
12
Duodecimal
37509644
16
Hexadecimal
7ba6c54
20
Vigesimal
20a74h0
36
Base36
2570pg
md5
0c2fdf6e4c2f1d97f252a2c9736f81ec
sha1
af623d877769dc521931aff8521fb5823b853632
sha256
ec30e1a1f2e73b007ae95e7f50719e74359d577e81b73a78a4410c58d455888d
sha512
8ba976b9d92feab1942ad753f10e972b63e60432e8e0c80e08b309643d2e0ad2a4a531a328dbec9ed89db8a1d00e0d63fe5e5602e340f6842011d6fdb5b4557d
ripemd-160
7ea02025c634e24e7c1dc6af92853475e242f5a6
Diameter
259315880
Circumference
814664863.56717
Area
5.281388400025E+16
Volume
9.1303192038286E+24
Surface area
2.11255536001E+17
Circumference
814664863.56717
Perimeter
518631760
Area
16811181405043600
Diagonal
183364017.21736
Surface area
100867088430261600
Volume
2.1797031499443E+24
Space diagonal
224574139.68472
Perimeter
388973820
Area
7.2794550821982E+15
Altitude
112287069.84236
Surface area
7.2794550821982E+15
Volume
2.5688047971654E+23
Height
61121339.072452