12561925 is an odd 8-digits composite number following 12561924
and preceding 12561926 . In scientific notation, it is written as 1.2561925 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 9834800 positive integers (up to 12561925) that are relatively prime to 12561925.
12561925 has 8 divisors, whose sum is 13343616
The reverse of 12561925 is 52916521
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million five hundred sixty-one thousand nine hundred twenty-five
Scientific notation
1.2561925 × 10^7
Engineering notation
1.2561925 × 10^6
Prime Factorization
25 × 47 × 10691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12561925
Product of the distinct prime numbers
The prime factorization of 12561925 is 25 × 47 × 10691.
Since it has a total of 3 prime factors.
6 , 2 , 49 , 25 , 981 , 474 , 4940 , 8724 , 37703 , 79598 , 157830 , 431355 , 8616633 , 556288 , 14821869 , 89629090 , 90624765 , 309984858 , 263091521 , 5972068247
n×2
25123850
n×3
37685775
n×4
50247700
n×5
62809625
n÷2
6280962.5
n÷3
4187308.3333333
n÷3
3140481.25
n÷5
2512385
n2
157801959705625
n3
1.9822963826751E+21
n4
2.4901458486936E+28
n5
3.128102539035E+35
2 √n
3544.2806040154
3 √n
232.46205107686
4 √n
59.533860986966
5 √n
26.291250265836
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
-12561924
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 12561925 can be divided by 8 positive divisors.
The sum of these divisors (counting 12561925) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111010111000000101
3
Ternary
212122012201111
4
Quaternary
233322320011
5
Quinary
11203440200
6
Senary
1125125021
8
Octal
57727005
10
Decimal
12561925
12
Duodecimal
4259771
16
Hexadecimal
bfae05
20
Vigesimal
3ia4g5
36
Base36
7h8ud
md5
ebaba8d45cae9d32e2f41ae2a88db4bc
sha1
359080416131387b04256714319fd598c9be3009
sha256
b8f5e89e1d270b066119d7be8608eda4c51b9f793164d8a61d7ae5de4eabf037
sha512
e1aaa336df741fa45ccd8e647adc9a4b6c2556ca1d43259137a71c3ab0681c38f2da540910ed2a2ff3adf6ae57a8f3e0faef752dc994dae173813a87fac607b6
ripemd-160
69fe4a7159b0132862c91787824301d655dde8a5
Diameter
25123850
Circumference
78928902.589892
Area
4.9574947733326E+14
Volume
8.3034236707329E+21
Surface area
1.9829979093331E+15
Circumference
78928902.589892
Perimeter
50247700
Area
157801959705625
Diagonal
17765244.704514
Surface area
946811758233750
Volume
1.9822963826751E+21
Space diagonal
21757892.34087
Perimeter
37685775
Area
68330252936020
Altitude
10878946.170435
Surface area
68330252936020
Volume
2.3361586908519E+20
Height
5921748.2348379