20921470 (number)

20921470 is an even 8-digits composite number following 20921469 and preceding 20921471. In scientific notation, it is written as 2.0921470 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 7652736 positive integers (up to 20921470) that are relatively prime to 20921470.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred seventy

Notation

Scientific notation 2.0921470 × 10^7
Engineering notation 2.0921470 × 10^6

Prime Factorization of 20921470

Prime Factorization 2 × 5 × 29 × 19 × 3797

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20921470
Product of the distinct prime numbers

The prime factorization of 20921470 is 2 × 5 × 29 × 19 × 3797. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 13, 90, 247, 462, 497, 6052, 52625, 30763, 3500, 373813, 426225, 7944461, 10028145, 85454330, 719970627, 919364671, 1316262530, 2133748826

Basic calculations (n = 20921470)

Multiplication

n×y
n×2 41842940
n×3 62764410
n×4 83685880
n×5 104607350

Division

n÷y
n÷2 10460735
n÷3 6973823.3333333
n÷3 5230367.5
n÷5 4184294

Exponentiation

ny
n2 437707906960900
n3 9.1574928442453E+21
n4 1.9158821181609E+29
n5 4.008307025864E+36

Nth Root

y√n
2√n 4573.9993441189
3√n 275.54808598041
4√n 67.631348826701
5√n 29.115110264149

Divisors of 20921470

1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3797, 5510, 7594, 18985, 37970, 72143, 110113, 144286, 220226, 360715, 550565, 721430, 1101130, 2092147, 4184294, 10460735, 20921470

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921469
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921470 can be divided by 32 positive divisors. The sum of these divisors (counting 20921470) is 1, the average is 0.03125.

Base conversion 20921470

Base System Value
2 Binary 1001111110011110001111110
3 Ternary 1110100220212021
4 Quaternary 1033303301332
5 Quinary 20323441340
6 Senary 2024230354
8 Octal 117636176
10 Decimal 20921470
12 Duodecimal 700b3ba
16 Hexadecimal 13f3c7e
20 Vigesimal 6af3da
36 Base36 cgf3y

Cryptographic Hash Functions

md5 9c4eee9ab8b6833efff943652d625aa4
sha1 6d4c98c55ecc09d4fca374e63dc50a7371d0eebc
sha256 d0745c50e40f43a062bae1903a6bea75adcfb95fe0f4ec067af5ecb26bfe8c21
sha512 1103c6f0920f61e9c116e5182b2ffa13a8939017fad8551264cbcf900e284361e0dba33c1b88700e5a4a86ab57fbaa5bca61f06a0f19f8694d1dcd559e8886cb
ripemd-160 3dc23e3ad7ff3c6a84adf03263fe5b5d86bdf435

20921470 as geometric shapes

Circle

Radius = n
Diameter 41842940
Circumference 131453472.9086
Area 1.3750999449265E+15

Sphere

Radius = n
Volume 3.8358816326376E+22
Surface area 5.5003997797061E+15
Circumference 131453472.9086

Square

Length = n
Perimeter 83685880
Area 437707906960900
Diagonal 29587426.618782

Cube

Length = n
Surface area 2626247441765400
Volume 9.1574928442453E+21
Space diagonal 36237049.009028

Equilateral Triangle

Length = n
Perimeter 62764410
Area 1.8953308343273E+14
Altitude 18118524.504514

Triangular Pyramid

Length = n
Surface area 1.8953308343273E+14
Volume 1.0792208814722E+21
Height 9862475.5395939