12561388 is an even 8-digits composite number following 12561387
and preceding 12561389 . In scientific notation, it is written as 1.2561388 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 5346000 positive integers (up to 12561388) that are relatively prime to 12561388.
12561388 has 24 divisors, whose sum is 25297664
The reverse of 12561388 is 88316521
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million five hundred sixty-one thousand three hundred eighty-eight
Scientific notation
1.2561388 × 10^7
Engineering notation
1.2561388 × 10^6
Prime Factorization
2 × 2 × 7 × 151 × 2971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6280694
Product of the distinct prime numbers
The prime factorization of 12561388 is 2 × 2 × 7 × 151 × 2971.
Since it has a total of 5 prime factors.
8 , 1 , 37 , 1 , 924 , 827 , 267 , 7291 , 82611 , 4818 , 555155 , 330129 , 5454936 , 2427148 , 47972472 , 74100388 , 912771433 , 539351101 , 5151041671 , 9526287551
n×2
25122776
n×3
37684164
n×4
50245552
n×5
62806940
n÷2
6280694
n÷3
4187129.3333333
n÷3
3140347
n÷5
2512277.6
n2
157788468486544
n3
1.9820421745853E+21
n4
2.4897200787329E+28
n5
3.1274339920355E+35
2 √n
3544.2048473529
3 √n
232.45873858295
4 √n
59.533224735041
5 √n
26.291025481135
1 , 2 , 4 , 7 , 14 , 28 , 151 , 302 , 604 , 1057 , 2114 , 2971 , 4228 , 5942 , 11884 , 20797 , 41594 , 83188 , 448621 , 897242 , 1794484 , 3140347 , 6280694 , 12561388
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
-12561387
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 12561388 can be divided by 24 positive divisors.
The sum of these divisors (counting 12561388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101111111010101111101100
3
Ternary
212122011222121
4
Quaternary
233322233230
5
Quinary
11203431023
6
Senary
1125122324
8
Octal
57725754
10
Decimal
12561388
12
Duodecimal
42593a4
16
Hexadecimal
bfabec
20
Vigesimal
3ia398
36
Base36
7h8fg
md5
36c269aa05e790a9c1fd5ba394f2c83a
sha1
a139ce2ce6c9c048e8e7df643d5d312189060ab1
sha256
adeea8370aeecf9d67556729acd2e09e58e7002706960346cafb5433a5dbec15
sha512
c54d227eb09882e7373beeb957153b4f27f05c1338d18b6c6b59f0503aecef95cb203adc2a43c203d4504c204ede8d1c7157195c077f5d020e11c28cfa9d3ce8
ripemd-160
ad8e1b0e95fd788bb4659f04b0716f70623a8094
Diameter
25122776
Circumference
78925528.519382
Area
4.9570709341851E+14
Volume
8.3023588463762E+21
Surface area
1.982828373674E+15
Circumference
78925528.519382
Perimeter
50245552
Area
157788468486544
Diagonal
17764485.271831
Surface area
946730810919264
Volume
1.9820421745853E+21
Space diagonal
21756962.229586
Perimeter
37684164
Area
68324411066794
Altitude
10878481.114793
Surface area
68324411066794
Volume
2.3358591037449E+20
Height
5921495.0906102