129657971 is an odd 9-digits composite number following 129657970
and preceding 129657972 . In scientific notation, it is written as 1.29657971 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 129592344 positive integers (up to 129657971) that are relatively prime to 129657971.
129657971 has 4 divisors, whose sum is 129723600
The reverse of 129657971 is 179756921
Previous prime number is 2039
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-nine million six hundred fifty-seven thousand nine hundred seventy-one
Scientific notation
1.29657971 × 10^8
Engineering notation
1.29657971 × 10^6
Prime Factorization
2039 × 63589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129657971
Product of the distinct prime numbers
The prime factorization of 129657971 is 2039 × 63589.
Since it has a total of 2 prime factors.
5 , 6 , 82 , 91 , 717 , 716 , 9854 , 108 , 52843 , 94987 , 267562 , 541183 , 9793894 , 6995012 , 77607808 , 44634358 , 963384190 , 875250859 , 1115788205 , 5869329705
n×2
259315942
n×3
388973913
n×4
518631884
n×5
648289855
n÷2
64828985.5
n÷3
43219323.666667
n÷3
32414492.75
n÷5
25931594.2
n2
16811189443836841
n3
2.1797047133845E+24
n4
2.8261609051657E+32
n5
3.6643428868331E+40
2 √n
11386.745408588
3 √n
506.13504261708
4 √n
106.70869415651
5 √n
41.933377539293
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129657970
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129657971 can be divided by 4 positive divisors.
The sum of these divisors (counting 129657971) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100110110001110011
3
Ternary
100000222022022002
4
Quaternary
13232212301303
5
Quinary
231143023341
6
Senary
20511004215
8
Octal
756466163
10
Decimal
129657971
12
Duodecimal
3750966b
16
Hexadecimal
7ba6c73
20
Vigesimal
20a74ib
36
Base36
2570qb
md5
e1b935ceb5efe0e78b575a800b693371
sha1
8228d76e1a1606046e1b99e588f2570385dbd06f
sha256
72c60080747dfb4f4c06c5773496f195f418f60b013ba83534905d8cb105876b
sha512
0533d47d9a56974fc909bb61b89cfc78687892140aeb5ac3a154e1ca288a65b7836e1053dba3072a28134fa72ef0549d0a78e2bf74a38b233a5b079c5cb7eb64
ripemd-160
e49bc08b524fe879b2ddde550906d4def36f3608
Diameter
259315942
Circumference
814665058.34592
Area
5.2813909254864E+16
Volume
9.1303257527517E+24
Surface area
2.1125563701946E+17
Circumference
814665058.34592
Perimeter
518631884
Area
16811189443836841
Diagonal
183364061.05798
Surface area
100867136663021046
Volume
2.1797047133845E+24
Space diagonal
224574193.37829
Perimeter
388973913
Area
7.2794585630977E+15
Altitude
112287096.68915
Surface area
7.2794585630977E+15
Volume
2.5688066396974E+23
Height
61121353.685992