15661380 (number)

15661380 is an even 8-digits composite number following 15661379 and preceding 15661381. In scientific notation, it is written as 1.5661380 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 96 positive divisors. There are 3575040 positive integers (up to 15661380) that are relatively prime to 15661380.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand three hundred eighty

Notation

Scientific notation 1.5661380 × 10^7
Engineering notation 1.5661380 × 10^6

Prime Factorization of 15661380

Prime Factorization 2 × 2 × 3 × 5 × 7 × 49 × 761

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 7830690
Product of the distinct prime numbers

The prime factorization of 15661380 is 2 × 2 × 3 × 5 × 7 × 49 × 761. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661380)

Multiplication

n×y
n×2 31322760
n×3 46984140
n×4 62645520
n×5 78306900

Division

n÷y
n÷2 7830690
n÷3 5220460
n÷3 3915345
n÷5 3132276

Exponentiation

ny
n2 245278823504400
n3 3.8414048608553E+21
n4 6.0161701259703E+28
n5 9.4221526487468E+35

Nth Root

y√n
2√n 3957.4461461907
3√n 250.19387627576
4√n 62.908235917014
5√n 27.47679069093

Divisors of 15661380

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661380 can be divided by 96 positive divisors. The sum of these divisors (counting 15661380) is 1, the average is 0.010416666666667.

Base conversion 15661380

Base System Value
2 Binary 111011101111100101000100
3 Ternary 1002110200101010
4 Quaternary 323233211010
5 Quinary 13002131010
6 Senary 1315402220
8 Octal 73574504
10 Decimal 15661380
12 Duodecimal 52b3370
16 Hexadecimal eef944
20 Vigesimal 4hhd90
36 Base36 9boec

Cryptographic Hash Functions

md5 3f4fa04597caf3a149bfbdc7b86363d9
sha1 5393d08d4280847a96ef3084a942b1e444e0ca02
sha256 a396ae6805f5b701b6c6d9c0e25b0cf524f2cd24307d61f66276d1b34b92c002
sha512 5a9341a3fd9f58e5a240e4a29c70c7ce0676b615edd6c2dfbaf26dad95620eae0f306435f7c93343625404216aad6eaecc53b1b4c98181f067b5bd1152ed88ff
ripemd-160 4e16417563a7b5a522e10c72ec6d186c9bb1dfa5

15661380 as geometric shapes

Circle

Radius = n
Diameter 31322760
Circumference 98403352.706156
Area 7.7056615000257E+14

Sphere

Radius = n
Volume 1.609083905377E+22
Surface area 3.0822646000103E+15
Circumference 98403352.706156

Square

Length = n
Perimeter 62645520
Area 245278823504400
Diagonal 22148536.001479

Cube

Length = n
Surface area 1471672941026400
Volume 3.8414048608553E+21
Space diagonal 27126305.876643

Equilateral Triangle

Length = n
Perimeter 46984140
Area 1.0620884608259E+14
Altitude 13563152.938322

Triangular Pyramid

Length = n
Surface area 1.0620884608259E+14
Volume 4.5271390439896E+20
Height 7382845.3338262