15981331 (number)

15981331 is an odd 8-digits composite number following 15981330 and preceding 15981332. In scientific notation, it is written as 1.5981331 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 15823000 positive integers (up to 15981331) that are relatively prime to 15981331.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred eighty-one thousand three hundred thirty-one

Notation

Scientific notation 1.5981331 × 10^7
Engineering notation 1.5981331 × 10^6

Prime Factorization of 15981331

Prime Factorization 101 × 158231

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15981331
Product of the distinct prime numbers

The prime factorization of 15981331 is 101 × 158231. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15981331)

Multiplication

n×y
n×2 31962662
n×3 47943993
n×4 63925324
n×5 79906655

Division

n÷y
n÷2 7990665.5
n÷3 5327110.3333333
n÷3 3995332.75
n÷5 3196266.2

Exponentiation

ny
n2 255402940531561
n3 4.0816789310082E+21
n4 6.5230662032168E+28
n5 1.0424728012852E+36

Nth Root

y√n
2√n 3997.6656938769
3√n 251.88616572733
4√n 63.227096199943
5√n 27.58815067836

Divisors of 15981331

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 -15981330
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 15981331 can be divided by 4 positive divisors. The sum of these divisors (counting 15981331) is 1, the average is 0.25.

Base conversion 15981331

Base System Value
2 Binary 111100111101101100010011
3 Ternary 1010001221021011
4 Quaternary 330331230103
5 Quinary 13042400311
6 Senary 1330311351
8 Octal 74755423
10 Decimal 15981331
12 Duodecimal 5428557
16 Hexadecimal f3db13
20 Vigesimal 4jhd6b
36 Base36 9ij9v

Cryptographic Hash Functions

md5 51e3bbce501bf609383c29fe3f2d3b97
sha1 5098d2c654e3dfbe5fc607f0401f59980e6ee5d2
sha256 88ce5eaac84cd730c0f28adc8187c19e8f8f37181a7c81a9ac316e38f821aeb1
sha512 011ddfa7c8ca8c8d53670de845028e547040811ee04bd04978b0d3234bdabaaa70468800843d1394af9a21b9e4ac4ace75063f1e1b1d690fd700a417d735c15e
ripemd-160 d0148e2118d7bab070367a7c70959892b7a21787

15981331 as geometric shapes

Circle

Radius = n
Diameter 31962662
Circumference 100413664.12837
Area 8.0237200167918E+14

Sphere

Radius = n
Volume 1.709729672529E+22
Surface area 3.2094880067167E+15
Circumference 100413664.12837

Square

Length = n
Perimeter 63925324
Area 255402940531561
Diagonal 22601015.044974

Cube

Length = n
Surface area 1532417643189366
Volume 4.0816789310082E+21
Space diagonal 27680477.264576

Equilateral Triangle

Length = n
Perimeter 47943993
Area 1.1059271735079E+14
Altitude 13840238.632288

Triangular Pyramid

Length = n
Surface area 1.1059271735079E+14
Volume 4.8103047512369E+20
Height 7533671.6816579