20998918 (number)

20998918 is an even 8-digits composite number following 20998917 and preceding 20998919. In scientific notation, it is written as 2.0998918 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 10254816 positive integers (up to 20998918) that are relatively prime to 20998918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0998918 × 10^7
Engineering notation 2.0998918 × 10^6

Prime Factorization of 20998918

Prime Factorization 2 × 53 × 397 × 499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20998918
Product of the distinct prime numbers

The prime factorization of 20998918 is 2 × 53 × 397 × 499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 66, 65, 132, 395, 2602, 6156, 48120, 20112, 740323, 989793, 3463223, 1544359, 14073162, 71125845, 143247886, 228758255, 6636268830, 5967321447

Basic calculations (n = 20998918)

Multiplication

n×y
n×2 41997836
n×3 62996754
n×4 83995672
n×5 104994590

Division

n÷y
n÷2 10499459
n÷3 6999639.3333333
n÷3 5249729.5
n÷5 4199783.6

Exponentiation

ny
n2 440954557170724
n3 9.2595685877543E+21
n4 1.9444092148963E+29
n5 4.0830489662052E+36

Nth Root

y√n
2√n 4582.4576375565
3√n 275.88767921394
4√n 67.693852287756
5√n 29.1366343304

Divisors of 20998918

1, 2, 53, 106, 397, 499, 794, 998, 21041, 26447, 42082, 52894, 198103, 396206, 10499459, 20998918

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20998917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20998918 can be divided by 16 positive divisors. The sum of these divisors (counting 20998918) is 1, the average is 0.0625.

Base conversion 20998918

Base System Value
2 Binary 1010000000110101100000110
3 Ternary 1110111212002201
4 Quaternary 1100012230012
5 Quinary 20333431133
6 Senary 2030025114
8 Octal 120065406
10 Decimal 20998918
12 Duodecimal 704819a
16 Hexadecimal 1406b06
20 Vigesimal 6b4h5i
36 Base36 ci2va

Cryptographic Hash Functions

md5 38c80a73b92b48090b142c67ce1be6bb
sha1 d6a5216687b489dd5ad6d1cac4cba3e6824b2b29
sha256 b689eef5c35d79b7be1822d8af4c50a0051e3c9860c0a73e9cd58036c98d2e7f
sha512 c22fe49dde0024fda0a125e2f186cdba6398f821eec779d8133c4b7a8cb9b84cfc96ee6632a5c6f9f7d758ac1c736a2a7f77be282c78e83b9998b1a46ccd1be7
ripemd-160 971d048b4f840d99ba8d804e6ecf7f6ff912c2de

20998918 as geometric shapes

Circle

Radius = n
Diameter 41997836
Circumference 131940093.04427
Area 1.3852995973745E+15

Sphere

Radius = n
Volume 3.8786390200933E+22
Surface area 5.5411983894979E+15
Circumference 131940093.04427

Square

Length = n
Perimeter 83995672
Area 440954557170724
Diagonal 29696954.630761

Cube

Length = n
Surface area 2645727343024344
Volume 9.2595685877543E+21
Space diagonal 36371192.879973

Equilateral Triangle

Length = n
Perimeter 62996754
Area 1.9093892421218E+14
Altitude 18185596.439986

Triangular Pyramid

Length = n
Surface area 1.9093892421218E+14
Volume 1.0912506232105E+21
Height 9898984.8769202