12945908 is an even 8-digits composite number following 12945907
and preceding 12945909 . In scientific notation, it is written as 1.2945908 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 5990400 positive integers (up to 12945908) that are relatively prime to 12945908.
12945908 has 24 divisors, whose sum is 24389064
The reverse of 12945908 is 80954921
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred forty-five thousand nine hundred eight
Scientific notation
1.2945908 × 10^7
Engineering notation
1.2945908 × 10^6
Prime Factorization
2 × 2 × 17 × 61 × 3121
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6472954
Product of the distinct prime numbers
The prime factorization of 12945908 is 2 × 2 × 17 × 61 × 3121.
Since it has a total of 5 prime factors.
4 , 4 , 59 , 99 , 742 , 399 , 4241 , 4710 , 64878 , 72769 , 566220 , 213767 , 4459937 , 6977160 , 17690133 , 33705149 , 578987978 , 623929922 , 6193984320 , 3848276251
n×2
25891816
n×3
38837724
n×4
51783632
n×5
64729540
n÷2
6472954
n÷3
4315302.6666667
n÷3
3236477
n÷5
2589181.6
n2
167596533944464
n3
2.1696893095639E+21
n4
2.8088598190198E+28
n5
3.6363240801927E+35
2 √n
3598.042245444
3 √n
234.80689130568
4 √n
59.98368316004
5 √n
26.45005036137
1 , 2 , 4 , 17 , 34 , 61 , 68 , 122 , 244 , 1037 , 2074 , 3121 , 4148 , 6242 , 12484 , 53057 , 106114 , 190381 , 212228 , 380762 , 761524 , 3236477 , 6472954 , 12945908
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
-12945907
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 12945908 can be divided by 24 positive divisors.
The sum of these divisors (counting 12945908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001011000100111110100
3
Ternary
220100201110002
4
Quaternary
301120213310
5
Quinary
11303232113
6
Senary
1141250432
8
Octal
61304764
10
Decimal
12945908
12
Duodecimal
4403a18
16
Hexadecimal
c589f4
20
Vigesimal
40i4f8
36
Base36
7ph4k
md5
9aaacdb87ce38eac69a38515ceb390b4
sha1
d308b6bb8a3bae121e78a538f960f6c49a8c8afd
sha256
814444ac97d23ea7435ff84e7bbcb984876f4330513b51559d4f9e7d5ace3a3c
sha512
f74f79614da537102e5f135bc48984b14f3401950522ba3964f51501c8768de574fee742bb3bafbea31affabb8ca98e89fe4d37b10f13c2c942176e1876f9dd2
ripemd-160
597e43de421d4a104e23cf3526e1d5ef4298c6ae
Diameter
25891816
Circumference
81341538.933699
Area
5.2652003980704E+14
Volume
9.088373327331E+21
Surface area
2.1060801592282E+15
Circumference
81341538.933699
Perimeter
51783632
Area
167596533944464
Diagonal
18308278.670834
Surface area
1005579203666784
Volume
2.1696893095639E+21
Space diagonal
22422970.406112
Perimeter
38837724
Area
72571427991063
Altitude
11211485.203056
Surface area
72571427991063
Volume
2.557003373101E+20
Height
6102759.5569448