20902021 (number)

20902021 is an odd 8-digits composite number following 20902020 and preceding 20902022. In scientific notation, it is written as 2.0902021 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 17916012 positive integers (up to 20902021) that are relatively prime to 20902021.

Interesting facts

Basic properties

Name

Name twenty million nine hundred two thousand twenty-one

Notation

Scientific notation 2.0902021 × 10^7
Engineering notation 2.0902021 × 10^6

Prime Factorization of 20902021

Prime Factorization 7 × 2986003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20902021
Product of the distinct prime numbers

The prime factorization of 20902021 is 7 × 2986003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20902021)

Multiplication

n×y
n×2 41804042
n×3 62706063
n×4 83608084
n×5 104510105

Division

n÷y
n÷2 10451010.5
n÷3 6967340.3333333
n÷3 5225505.25
n÷5 4180404.2

Exponentiation

ny
n2 436894481884441
n3 9.1319776351327E+21
n4 1.9087678830107E+29
n5 3.9897106374816E+36

Nth Root

y√n
2√n 4571.8728110043
3√n 275.46267457873
4√n 67.615625494439
5√n 29.109695057096

Divisors of 20902021

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 -20902020
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 20902021 can be divided by 4 positive divisors. The sum of these divisors (counting 20902021) is 1, the average is 0.25.

Base conversion 20902021

Base System Value
2 Binary 1001111101111000010000101
3 Ternary 1110022221011221
4 Quaternary 1033233002011
5 Quinary 20322331041
6 Senary 2024000341
8 Octal 117570205
10 Decimal 20902021
12 Duodecimal 70000b1
16 Hexadecimal 13ef085
20 Vigesimal 6acf11
36 Base36 cg03p

Cryptographic Hash Functions

md5 d3fb89ef01727ff60737c82789fd2252
sha1 8363615f4f7a1373333f25a692551edf34f63b1c
sha256 463bf491f6f1ccf794a6537c545a89faced3a6448b78c4a3cb9e6995e3d352d3
sha512 0a596c88137b6b1fa1bc77c038e410931b59b375feb605eac71c60060a30f7235d46df056567f9ccbcd22df4dbf98a732dc0ff7f636b1eebdcbb5a3050918aa2
ripemd-160 d69aa9f1845b0d98db7877bce8137c15b13ff8bd

20902021 as geometric shapes

Circle

Radius = n
Diameter 41804042
Circumference 131331271.23756
Area 1.3725444946821E+15

Sphere

Radius = n
Volume 3.8251938468372E+22
Surface area 5.4901779787283E+15
Circumference 131331271.23756

Square

Length = n
Perimeter 83608084
Area 436894481884441
Diagonal 29559921.579207

Cube

Length = n
Surface area 2621366891306646
Volume 9.1319776351327E+21
Space diagonal 36203362.352872

Equilateral Triangle

Length = n
Perimeter 62706063
Area 1.8918086004258E+14
Altitude 18101681.176436

Triangular Pyramid

Length = n
Surface area 1.8918086004258E+14
Volume 1.076213885241E+21
Height 9853307.1930691