20307987 (number)

20307987 is an odd 8-digits composite number following 20307986 and preceding 20307988. In scientific notation, it is written as 2.0307987 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 11604528 positive integers (up to 20307987) that are relatively prime to 20307987.

Interesting facts

Basic properties

Name

Name twenty million three hundred seven thousand nine hundred eighty-seven

Notation

Scientific notation 2.0307987 × 10^7
Engineering notation 2.0307987 × 10^6

Prime Factorization of 20307987

Prime Factorization 63 × 322349

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20307987
Product of the distinct prime numbers

The prime factorization of 20307987 is 63 × 322349. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20307987)

Multiplication

n×y
n×2 40615974
n×3 60923961
n×4 81231948
n×5 101539935

Division

n÷y
n÷2 10153993.5
n÷3 6769329
n÷3 5076996.75
n÷5 4061597.4

Exponentiation

ny
n2 412414335992169
n3 8.3753049739426E+21
n4 1.7008558453186E+29
n5 3.4540958395604E+36

Nth Root

y√n
2√n 4506.4383941201
3√n 272.82801226926
4√n 67.130011128557
5√n 28.942322290231

Divisors of 20307987

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 -20307986
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 20307987 can be divided by 4 positive divisors. The sum of these divisors (counting 20307987) is 1, the average is 0.25.

Base conversion 20307987

Base System Value
2 Binary 1001101011110000000010011
3 Ternary 1102012202022200
4 Quaternary 1031132000103
5 Quinary 20144323422
6 Senary 2003134243
8 Octal 115360023
10 Decimal 20307987
12 Duodecimal 6974383
16 Hexadecimal 135e013
20 Vigesimal 66i9j7
36 Base36 c39qr

Cryptographic Hash Functions

md5 2b737f8d31f72842d68222a9ae20a9ae
sha1 3ec54bb5bf063e8cc78fd791bce11a41a707342e
sha256 0d6cffdfe6cb38496816f254c687d1c22e4ec26c841d0eadf718c86f56f9f29e
sha512 c527db1ddeb9acc65d29155d8698a30dfbbc37b07244452d2ebeb92e8a7fec08833736058e6d6bff4479578037bc456e5fb8e97a767abec75a22650432554d17
ripemd-160 f2f0f550490910d08b72b31dc6b706939695dc24

20307987 as geometric shapes

Circle

Radius = n
Diameter 40615974
Circumference 127598845.53679
Area 1.2956378481881E+15

Sphere

Radius = n
Volume 3.508239543695E+22
Surface area 5.1825513927524E+15
Circumference 127598845.53679

Square

Length = n
Perimeter 81231948
Area 412414335992169
Diagonal 28719830.639897

Cube

Length = n
Surface area 2474486015953014
Volume 8.3753049739426E+21
Space diagonal 35174465.283448

Equilateral Triangle

Length = n
Perimeter 60923961
Area 1.7858064592705E+14
Altitude 17587232.641724

Triangular Pyramid

Length = n
Surface area 1.7858064592705E+14
Volume 9.8703915693004E+20
Height 9573276.8799655