20307989 (number)

20307989 is an odd 8-digits composite number following 20307988 and preceding 20307990. In scientific notation, it is written as 2.0307989 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 18681840 positive integers (up to 20307989) that are relatively prime to 20307989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0307989 × 10^7
Engineering notation 2.0307989 × 10^6

Prime Factorization of 20307989

Prime Factorization 13 × 311 × 5023

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20307989
Product of the distinct prime numbers

The prime factorization of 20307989 is 13 × 311 × 5023. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20307989)

Multiplication

n×y
n×2 40615978
n×3 60923967
n×4 81231956
n×5 101539945

Division

n÷y
n÷2 10153994.5
n÷3 6769329.6666667
n÷3 5076997.25
n÷5 4061597.8

Exponentiation

ny
n2 412414417224121
n3 8.3753074484289E+21
n4 1.7008565153431E+29
n5 3.4540975404166E+36

Nth Root

y√n
2√n 4506.4386160249
3√n 272.82802122561
4√n 67.130012781355
5√n 28.942322860298

Divisors of 20307989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20307988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20307989 can be divided by 8 positive divisors. The sum of these divisors (counting 20307989) is 1, the average is 0.125.

Base conversion 20307989

Base System Value
2 Binary 1001101011110000000010101
3 Ternary 1102012202022202
4 Quaternary 1031132000111
5 Quinary 20144323424
6 Senary 2003134245
8 Octal 115360025
10 Decimal 20307989
12 Duodecimal 6974385
16 Hexadecimal 135e015
20 Vigesimal 66i9j9
36 Base36 c39qt

Cryptographic Hash Functions

md5 7551e158b03323df8a03d379a7f8ef66
sha1 cb0ef8cdab63a6abdc06da4fc2adf82a80268987
sha256 6d94d1601b67afc18fbc41292016081baf31d1004f4c650601447e67d1b2bee8
sha512 677ca662c077ba6be206b5b98ed0c1655442e85beb97eef2a9aa15712196d95f8c723e5f78658e87934b4771635d1ef89b80b422960eb9ffc0580171e851af09
ripemd-160 6ad5dd52fa595868958e5d695c91e41865dfe55f

20307989 as geometric shapes

Circle

Radius = n
Diameter 40615978
Circumference 127598858.10316
Area 1.2956381033858E+15

Sphere

Radius = n
Volume 3.5082405802053E+22
Surface area 5.1825524135433E+15
Circumference 127598858.10316

Square

Length = n
Perimeter 81231956
Area 412414417224121
Diagonal 28719833.468324

Cube

Length = n
Surface area 2474486503344726
Volume 8.3753074484289E+21
Space diagonal 35174468.74755

Equilateral Triangle

Length = n
Perimeter 60923967
Area 1.7858068110152E+14
Altitude 17587234.373775

Triangular Pyramid

Length = n
Surface area 1.7858068110152E+14
Volume 9.8703944855104E+20
Height 9573277.8227745