15561381 is an odd 8-digits composite number following 15561380
and preceding 15561382 . In scientific notation, it is written as 1.5561381 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 9390720 positive integers (up to 15561381) that are relatively prime to 15561381.
15561381 has 8 divisors, whose sum is 16101720
The reverse of 15561381 is 18316551
Previous prime number is 1753
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
fifteen million five hundred sixty-one thousand three hundred eighty-one
Scientific notation
1.5561381 × 10^7
Engineering notation
1.5561381 × 10^6
Prime Factorization
33 × 1753 × 269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15561381
Product of the distinct prime numbers
The prime factorization of 15561381 is 33 × 1753 × 269.
Since it has a total of 3 prime factors.
10 , 8 , 37 , 26 , 499 , 575 , 6414 , 4568 , 93333 , 70889 , 519725 , 362176 , 4463036 , 1130372 , 35692993 , 94853920 , 898462243 , 857412035 , 5060894740 , 1852852822
n×2
31122762
n×3
46684143
n×4
62245524
n×5
77806905
n÷2
7780690.5
n÷3
5187127
n÷3
3890345.25
n÷5
3112276.2
n2
242156578627161
n3
3.7682907816737E+21
n4
5.8639808572412E+28
n5
9.1251640296238E+35
2 √n
3944.791629478
3 √n
249.66023712059
4 √n
62.807576210821
5 √n
27.441612485992
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
-15561380
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 15561381 can be divided by 8 positive divisors.
The sum of these divisors (counting 15561381) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011010111001010100101
3
Ternary
1002021121012110
4
Quaternary
323113022211
5
Quinary
12440431011
6
Senary
1313311233
8
Octal
73271245
10
Decimal
15561381
12
Duodecimal
5265519
16
Hexadecimal
ed72a5
20
Vigesimal
4h5391
36
Base36
99j8l
md5
1675e6fa6ca96b5d9ea3a31c36f2203d
sha1
94ff86f199496e91e40fa489482eabdc3903ef78
sha256
e7e8b3d7dc263860ca178d40268b4bc920e905d69f389855a52f1c158eb35d3c
sha512
5f4aef31e74b813fdab7bcb3b4d60cdea5cf54569e309582676993e984e09695fb6ee391b8eb2574390eabde575a0dcce122efc8ad5dfde3bf8b12d78f5e7a5a
ripemd-160
7a06b489d7c663019e062b49c956713f9cf46c08
Diameter
31122762
Circumference
97775040.458624
Area
7.6075732843353E+14
Volume
1.5784579515062E+22
Surface area
3.0430293137341E+15
Circumference
97775040.458624
Perimeter
62245524
Area
242156578627161
Diagonal
22007116.059455
Surface area
1452939471762966
Volume
3.7682907816737E+21
Space diagonal
26953102.527937
Perimeter
46684143
Area
1.0485687439232E+14
Altitude
13476551.263968
Surface area
1.0485687439232E+14
Volume
4.4409732753404E+20
Height
7335705.3531517