15691989 (number)

15691989 is an odd 8-digits composite number following 15691988 and preceding 15691990. In scientific notation, it is written as 1.5691989 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 10461324 positive integers (up to 15691989) that are relatively prime to 15691989.

Interesting facts

Basic properties

Name

Name fifteen million six hundred ninety-one thousand nine hundred eighty-nine

Notation

Scientific notation 1.5691989 × 10^7
Engineering notation 1.5691989 × 10^6

Prime Factorization of 15691989

Prime Factorization 3 × 5230663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15691989
Product of the distinct prime numbers

The prime factorization of 15691989 is 3 × 5230663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15691989)

Multiplication

n×y
n×2 31383978
n×3 47075967
n×4 62767956
n×5 78459945

Division

n÷y
n÷2 7845994.5
n÷3 5230663
n÷3 3922997.25
n÷5 3138397.8

Exponentiation

ny
n2 246238518776121
n3 3.8639721280112E+21
n4 6.0633408129058E+28
n5 9.5145877339369E+35

Nth Root

y√n
2√n 3961.3115252401
3√n 250.35676529857
4√n 62.938950779625
5√n 27.487522572265

Divisors of 15691989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15691988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15691989 can be divided by 4 positive divisors. The sum of these divisors (counting 15691989) is 1, the average is 0.25.

Base conversion 15691989

Base System Value
2 Binary 111011110111000011010101
3 Ternary 1002112020100210
4 Quaternary 323313003111
5 Quinary 13004120424
6 Senary 1320200033
8 Octal 73670325
10 Decimal 15691989
12 Duodecimal 5309019
16 Hexadecimal ef70d5
20 Vigesimal 4i19j9
36 Base36 9cc0l

Cryptographic Hash Functions

md5 d318013e43c23df66f7db838ec395b7d
sha1 b6249432fa071baafaee423391ec283af7607047
sha256 3ac1c9d4f5afe3f01e29c8f619db39307035637234deb5cbf6e35faa21e7162d
sha512 7dc124210c7d8968112f9621a6fdc9779a9419df666274ba338cd49ba54931df2d53ed96e82bc0978505d738650915cfbd931378d315f24a28b4183c98550b6d
ripemd-160 28fb25894659b5b611ae307a5da0a4ba5b37f599

15691989 as geometric shapes

Circle

Radius = n
Diameter 31383978
Circumference 98595674.725224
Area 7.7358112161789E+14

Sphere

Radius = n
Volume 1.6185368601381E+22
Surface area 3.0943244864716E+15
Circumference 98595674.725224

Square

Length = n
Perimeter 62767956
Area 246238518776121
Diagonal 22191823.664409

Cube

Length = n
Surface area 1477431112656726
Volume 3.8639721280112E+21
Space diagonal 27179322.219812

Equilateral Triangle

Length = n
Perimeter 47075967
Area 1.0662440632519E+14
Altitude 13589661.109906

Triangular Pyramid

Length = n
Surface area 1.0662440632519E+14
Volume 4.5537348233875E+20
Height 7397274.5548031