20403921 (number)

20403921 is an odd 8-digits composite number following 20403920 and preceding 20403922. In scientific notation, it is written as 2.0403921 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12590160 positive integers (up to 20403921) that are relatively prime to 20403921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0403921 × 10^7
Engineering notation 2.0403921 × 10^6

Prime Factorization of 20403921

Prime Factorization 69 × 31 × 9539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20403921
Product of the distinct prime numbers

The prime factorization of 20403921 is 69 × 31 × 9539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20403921)

Multiplication

n×y
n×2 40807842
n×3 61211763
n×4 81615684
n×5 102019605

Division

n÷y
n÷2 10201960.5
n÷3 6801307
n÷3 5100980.25
n÷5 4080784.2

Exponentiation

ny
n2 416319992174241
n3 8.4945602310438E+21
n4 1.7332233588396E+29
n5 3.5364552489118E+36

Nth Root

y√n
2√n 4517.0699573949
3√n 273.25694656397
4√n 67.209150845662
5√n 28.969615207495

Divisors of 20403921

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 -20403920
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 20403921 can be divided by 8 positive divisors. The sum of these divisors (counting 20403921) is 1, the average is 0.125.

Base conversion 20403921

Base System Value
2 Binary 1001101110101011011010001
3 Ternary 1102101121220210
4 Quaternary 1031311123101
5 Quinary 20210411141
6 Senary 2005154333
8 Octal 115653321
10 Decimal 20403921
12 Duodecimal 69bb9a9
16 Hexadecimal 13756d1
20 Vigesimal 67a9g1
36 Base36 c5brl

Cryptographic Hash Functions

md5 155cb6b739f382dc2cd326667be48815
sha1 03f7b5abc86df82bdbf48e7076de0226e0ac876b
sha256 5a67537c6730aae5ac45a2acbf11c5900c126f3e70701fab772bf1811c3234b7
sha512 0fcadff0e0eb39321ddd79ee16ba5581dd676eb84651ea7a5f695749c25fe4a9572d68699023e95efae729db7beb80536466fbd904fa3d65d0d4127ace0fc28a
ripemd-160 4055ca7840d34d63c54181bade00828ab6399b9d

20403921 as geometric shapes

Circle

Radius = n
Diameter 40807842
Circumference 128201616.63605
Area 1.3079078289572E+15

Sphere

Radius = n
Volume 3.5581930689764E+22
Surface area 5.2316313158286E+15
Circumference 128201616.63605

Square

Length = n
Perimeter 81615684
Area 416319992174241
Diagonal 28855501.803789

Cube

Length = n
Surface area 2497919953045446
Volume 8.4945602310438E+21
Space diagonal 35340627.845622

Equilateral Triangle

Length = n
Perimeter 61211763
Area 1.8027184466312E+14
Altitude 17670313.922811

Triangular Pyramid

Length = n
Surface area 1.8027184466312E+14
Volume 1.0010935237614E+21
Height 9618500.6012631