20149921 (number)

20149921 is an odd 8-digits composite number following 20149920 and preceding 20149922. In scientific notation, it is written as 2.0149921 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18318100 positive integers (up to 20149921) that are relatively prime to 20149921.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand nine hundred twenty-one

Notation

Scientific notation 2.0149921 × 10^7
Engineering notation 2.0149921 × 10^6

Prime Factorization of 20149921

Prime Factorization 11 × 1831811

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20149921
Product of the distinct prime numbers

The prime factorization of 20149921 is 11 × 1831811. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149921)

Multiplication

n×y
n×2 40299842
n×3 60449763
n×4 80599684
n×5 100749605

Division

n÷y
n÷2 10074960.5
n÷3 6716640.3333333
n÷3 5037480.25
n÷5 4029984.2

Exponentiation

ny
n2 406019316306241
n3 8.1812571480448E+21
n4 1.6485168521379E+29
n5 3.3217484337747E+36

Nth Root

y√n
2√n 4488.8663379522
3√n 272.11832096339
4√n 66.999002514606
5√n 28.89712719473

Divisors of 20149921

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 -20149920
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 20149921 can be divided by 4 positive divisors. The sum of these divisors (counting 20149921) is 1, the average is 0.25.

Base conversion 20149921

Base System Value
2 Binary 1001100110111011010100001
3 Ternary 1101220201111101
4 Quaternary 1030313122201
5 Quinary 20124244141
6 Senary 1555514401
8 Octal 114673241
10 Decimal 20149921
12 Duodecimal 68b8a01
16 Hexadecimal 13376a1
20 Vigesimal 65ieg1
36 Base36 bzvs1

Cryptographic Hash Functions

md5 c25fcef316a7660e0d336ae407e8ebf7
sha1 edc8ac1d0a51388c635ddce54e6a90d4b21c6ad8
sha256 050a69380b18f7c191eec4623f6bdb3086e245d98c7ce41d90f4e7eb8bb18bbd
sha512 d31e4c00caab0c8730468f8feb858f3056b0a5b55dd0d0c857404b00e4301fbb6afd0d20011a1df3940c6def3b4cc17ca45de789451f21e9b40410544799b9f2
ripemd-160 a36662f92d05e735dffcec3bb61f48f082e67c0d

20149921 as geometric shapes

Circle

Radius = n
Diameter 40299842
Circumference 126605687.56803
Area 1.2755473013232E+15

Sphere

Radius = n
Volume 3.4269569804569E+22
Surface area 5.1021892052929E+15
Circumference 126605687.56803

Square

Length = n
Perimeter 80599684
Area 406019316306241
Diagonal 28496291.558946

Cube

Length = n
Surface area 2436115897837446
Volume 8.1812571480448E+21
Space diagonal 34900686.940499

Equilateral Triangle

Length = n
Perimeter 60449763
Area 1.758115211742E+14
Altitude 17450343.47025

Triangular Pyramid

Length = n
Surface area 1.758115211742E+14
Volume 9.6417040133556E+20
Height 9498763.8529821