129207961 is an odd 9-digits composite number following 129207960
and preceding 129207962 . In scientific notation, it is written as 1.29207961 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 122407524 positive integers (up to 129207961) that are relatively prime to 129207961.
129207961 has 4 divisors, whose sum is 136008400
The reverse of 129207961 is 169702921
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million two hundred seven thousand nine hundred sixty-one
Scientific notation
1.29207961 × 10^8
Engineering notation
1.29207961 × 10^6
Prime Factorization
19 × 6800419
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129207961
Product of the distinct prime numbers
The prime factorization of 129207961 is 19 × 6800419.
Since it has a total of 2 prime factors.
6 , 1 , 56 , 83 , 993 , 379 , 1673 , 1030 , 83321 , 80700 , 317376 , 776634 , 4721099 , 5518324 , 69070156 , 63687262 , 454121169 , 898918003 , 6251229954 , 2108723276
n×2
258415922
n×3
387623883
n×4
516831844
n×5
646039805
n÷2
64603980.5
n÷3
43069320.333333
n÷3
32301990.25
n÷5
25841592.2
n2
16694697185777521
n3
2.1570877828868E+24
n4
2.7871291412481E+32
n5
3.6011927338435E+40
2 √n
11366.967977434
3 √n
505.54880832726
4 √n
106.61598368647
5 √n
41.904229016334
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
-129207960
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 129207961 can be divided by 4 positive divisors.
The sum of these divisors (counting 129207961) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100111000111010011001
3
Ternary
100000010110000001
4
Quaternary
13230320322121
5
Quinary
231034123321
6
Senary
20453213001
8
Octal
754707231
10
Decimal
129207961
12
Duodecimal
37331161
16
Hexadecimal
7b38e99
20
Vigesimal
207aji1
36
Base36
24xdi1
md5
6dd052f1d0357f7728516a7d38d39a2f
sha1
4b7b046b1ca402fbb4b46cc8edf67f8dda271da6
sha256
0d4cb380ae19822cb664de194c3ac1465e17ede1411474f89c1eab44369c4581
sha512
8ffd9de1fcf20b1b009d9353e20176b92370ae675693e9d1ddb97847ce8327e3a31bcaf2c5c05587bc12efcd4f72a40ccf0bcb2cbf21dcda1da5a6bd6fbe8abc
ripemd-160
74149a6c3056e54bab2c369dbd7e5e8df3d16d15
Diameter
258415922
Circumference
811837562.12583
Area
5.2447938032745E+16
Volume
9.0355881758204E+24
Surface area
2.0979175213098E+17
Circumference
811837562.12583
Perimeter
516831844
Area
16694697185777521
Diagonal
182727650.81277
Surface area
100168183114665126
Volume
2.1570877828868E+24
Space diagonal
223794753.19438
Perimeter
387623883
Area
7.229015935686E+15
Altitude
111897376.59719
Surface area
7.229015935686E+15
Volume
2.5421523314898E+23
Height
60909216.937591