20998021 (number)

20998021 is an odd 8-digits composite number following 20998020 and preceding 20998022. In scientific notation, it is written as 2.0998021 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18084240 positive integers (up to 20998021) that are relatively prime to 20998021.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-eight thousand twenty-one

Notation

Scientific notation 2.0998021 × 10^7
Engineering notation 2.0998021 × 10^6

Prime Factorization of 20998021

Prime Factorization 19 × 11 × 100469

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20998021
Product of the distinct prime numbers

The prime factorization of 20998021 is 19 × 11 × 100469. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20998021)

Multiplication

n×y
n×2 41996042
n×3 62994063
n×4 83992084
n×5 104990105

Division

n÷y
n÷2 10499010.5
n÷3 6999340.3333333
n÷3 5249505.25
n÷5 4199604.2

Exponentiation

ny
n2 440916885916441
n3 9.258382029728E+21
n4 1.9440770028625E+29
n5 4.0821769731724E+36

Nth Root

y√n
2√n 4582.3597632661
3√n 275.88375084055
4√n 67.693129365291
5√n 29.136385403217

Divisors of 20998021

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 -20998020
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 20998021 can be divided by 8 positive divisors. The sum of these divisors (counting 20998021) is 1, the average is 0.125.

Base conversion 20998021

Base System Value
2 Binary 1010000000110011110000101
3 Ternary 1110111210212111
4 Quaternary 1100012132011
5 Quinary 20333414041
6 Senary 2030021021
8 Octal 120063605
10 Decimal 20998021
12 Duodecimal 7047771
16 Hexadecimal 1406785
20 Vigesimal 6b4f11
36 Base36 ci26d

Cryptographic Hash Functions

md5 aba56dbf886025a2343e58fbbf5ddcf0
sha1 a4e1b0bbde549a924ad4ef2a04db03705fee748d
sha256 f3457f59f190473f9acc0d0a43e30685c2a9228dc9894002bd2594896b07e701
sha512 b8a1cf5243b9c98d49a094a51c6704ed71f4ac83612549876dabbeb8e3525167ff1021e85a589a79f761e2ed814a6b80c462e96cdc698926b78b22aa23e2a5af
ripemd-160 0617c184616d5117bc1be1ab2492c082e2efa4b3

20998021 as geometric shapes

Circle

Radius = n
Diameter 41996042
Circumference 131934457.02705
Area 1.3851812496388E+15

Sphere

Radius = n
Volume 3.8781419958295E+22
Surface area 5.5407249985551E+15
Circumference 131934457.02705

Square

Length = n
Perimeter 83992084
Area 440916885916441
Diagonal 29695686.081195

Cube

Length = n
Surface area 2645501315498646
Volume 9.258382029728E+21
Space diagonal 36369639.230398

Equilateral Triangle

Length = n
Perimeter 62994063
Area 1.9092261208058E+14
Altitude 18184819.615199

Triangular Pyramid

Length = n
Surface area 1.9092261208058E+14
Volume 1.0911107860061E+21
Height 9898562.027065