31386989 (number)

31386989 is an odd 8-digits composite number following 31386988 and preceding 31386990. In scientific notation, it is written as 3.1386989 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 30538656 positive integers (up to 31386989) that are relatively prime to 31386989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1386989 × 10^7
Engineering notation 3.1386989 × 10^6

Prime Factorization of 31386989

Prime Factorization 37 × 848297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31386989
Product of the distinct prime numbers

The prime factorization of 31386989 is 37 × 848297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31386989)

Multiplication

n×y
n×2 62773978
n×3 94160967
n×4 125547956
n×5 156934945

Division

n÷y
n÷2 15693494.5
n÷3 10462329.666667
n÷3 7846747.25
n÷5 6277397.8

Exponentiation

ny
n2 985143078486121
n3 3.092067496787E+22
n4 9.7050688508911E+29
n5 3.0461288926716E+37

Nth Root

y√n
2√n 5602.4092139007
3√n 315.43984577521
4√n 74.849243242004
5√n 31.575477801354

Divisors of 31386989

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 -31386988
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 31386989 can be divided by 4 positive divisors. The sum of these divisors (counting 31386989) is 1, the average is 0.25.

Base conversion 31386989

Base System Value
2 Binary 1110111101110110101101101
3 Ternary 2012001121212002
4 Quaternary 1313232311231
5 Quinary 31013340424
6 Senary 3040422045
8 Octal 167566555
10 Decimal 31386989
12 Duodecimal a617925
16 Hexadecimal 1deed6d
20 Vigesimal 9g3799
36 Base36 ioqct

Cryptographic Hash Functions

md5 c924a31a5519687bb92823f1323e917c
sha1 947855c2b1968dfec6ff2c2cbd4a363413c938d8
sha256 b64ec926499acd2c63a36b4d6e2ab00bc8194aa92e756623f0c6f29936837a2f
sha512 fe3452b5d4621bf9e0173c343587e6556404603bf829f9603e14b1c91d3be0496e001a63a6efac9b801618a27da916311e8369f30b82ddaedeb76b549080e19e
ripemd-160 97a29b71609b906a884eabadb283206354cb25ca

31386989 as geometric shapes

Circle

Radius = n
Diameter 62773978
Circumference 197210268.12141
Area 3.0949182581068E+15

Sphere

Radius = n
Volume 1.295202204308E+23
Surface area 1.2379673032427E+16
Circumference 197210268.12141

Square

Length = n
Perimeter 125547956
Area 985143078486121
Diagonal 44387905.525855

Cube

Length = n
Surface area 5910858470916726
Volume 3.092067496787E+22
Space diagonal 54363859.644605

Equilateral Triangle

Length = n
Perimeter 94160967
Area 4.2657946616569E+14
Altitude 27181929.822303

Triangular Pyramid

Length = n
Surface area 4.2657946616569E+14
Volume 3.644036491441E+21
Height 14795968.508618