20238721 (number)

20238721 is an odd 8-digits composite number following 20238720 and preceding 20238722. In scientific notation, it is written as 2.0238721 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19048192 positive integers (up to 20238721) that are relatively prime to 20238721.

Interesting facts

Basic properties

Name

Name twenty million two hundred thirty-eight thousand seven hundred twenty-one

Notation

Scientific notation 2.0238721 × 10^7
Engineering notation 2.0238721 × 10^6

Prime Factorization of 20238721

Prime Factorization 17 × 1190513

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20238721
Product of the distinct prime numbers

The prime factorization of 20238721 is 17 × 1190513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20238721)

Multiplication

n×y
n×2 40477442
n×3 60716163
n×4 80954884
n×5 101193605

Division

n÷y
n÷2 10119360.5
n÷3 6746240.3333333
n÷3 5059680.25
n÷5 4047744.2

Exponentiation

ny
n2 409605827715841
n3 8.289898067115E+21
n4 1.6777693409878E+29
n5 3.3955905594606E+36

Nth Root

y√n
2√n 4498.7466032218
3√n 272.5174738395
4√n 67.072696406376
5√n 28.922552142009

Divisors of 20238721

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 -20238720
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 20238721 can be divided by 4 positive divisors. The sum of these divisors (counting 20238721) is 1, the average is 0.25.

Base conversion 20238721

Base System Value
2 Binary 1001101001101000110000001
3 Ternary 1102002020022021
4 Quaternary 1031031012001
5 Quinary 20140114341
6 Senary 2001441441
8 Octal 115150601
10 Decimal 20238721
12 Duodecimal 6940281
16 Hexadecimal 134d181
20 Vigesimal 669gg1
36 Base36 c1sap

Cryptographic Hash Functions

md5 18fdc43ec182b5479c5b6b6c96fcdc19
sha1 d87cd1eb22deaf0dd9916b2f8bf1eef113b5c22c
sha256 92ac300baf78ea3910e046e46e304c06c562a069ccb59942e1c3e33261d27a7d
sha512 76a997c5b34d6caff243acaf97ad41c9df311b5626a96f2c69c3de59d06a87f46301d2fd2bf30685fb25ff92599456a0475d2450046c5b5013062d2820935020
ripemd-160 28edb673b569b446d9a2eca713ba1428e606cc46

20238721 as geometric shapes

Circle

Radius = n
Diameter 40477442
Circumference 127163634.42331
Area 1.2868146592197E+15

Sphere

Radius = n
Volume 3.4724643822209E+22
Surface area 5.1472586368786E+15
Circumference 127163634.42331

Square

Length = n
Perimeter 80954884
Area 409605827715841
Diagonal 28621873.723285

Cube

Length = n
Surface area 2457634966295046
Volume 8.289898067115E+21
Space diagonal 35054493.052211

Equilateral Triangle

Length = n
Perimeter 60716163
Area 1.7736452617004E+14
Altitude 17527246.526106

Triangular Pyramid

Length = n
Surface area 1.7736452617004E+14
Volume 9.7697385643371E+20
Height 9540624.5744284