20154721 (number)

20154721 is an odd 8-digits composite number following 20154720 and preceding 20154722. In scientific notation, it is written as 2.0154721 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20127744 positive integers (up to 20154721) that are relatively prime to 20154721.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-four thousand seven hundred twenty-one

Notation

Scientific notation 2.0154721 × 10^7
Engineering notation 2.0154721 × 10^6

Prime Factorization of 20154721

Prime Factorization 769 × 26209

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20154721
Product of the distinct prime numbers

The prime factorization of 20154721 is 769 × 26209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 58, 76, 180, 252, 1107, 2924, 62205, 14809, 702975, 277711, 7836198, 5661356, 90699953, 58471440, 507144842, 415727497, 249104260, 8137060031

Basic calculations (n = 20154721)

Multiplication

n×y
n×2 40309442
n×3 60464163
n×4 80618884
n×5 100773605

Division

n÷y
n÷2 10077360.5
n÷3 6718240.3333333
n÷3 5038680.25
n÷5 4030944.2

Exponentiation

ny
n2 406212778587841
n3 8.1871052190727E+21
n4 1.6500882148805E+29
n5 3.3257067596305E+36

Nth Root

y√n
2√n 4489.4009622666
3√n 272.13992674269
4√n 67.002992188906
5√n 28.898503805544

Divisors of 20154721

1, 769, 26209, 20154721

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 -20154720
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 20154721 can be divided by 4 positive divisors. The sum of these divisors (counting 20154721) is 1, the average is 0.25.

Base conversion 20154721

Base System Value
2 Binary 1001100111000100101100001
3 Ternary 1101220222002011
4 Quaternary 1030320211201
5 Quinary 20124422341
6 Senary 1555552521
8 Octal 114704541
10 Decimal 20154721
12 Duodecimal 68bb741
16 Hexadecimal 1338961
20 Vigesimal 65j6g1
36 Base36 bzzhd

Cryptographic Hash Functions

md5 c53908b83a6e071b01a9f4586ab6138a
sha1 958b2f475fd7b05f3b5401715cd864c047d60fcc
sha256 ff57ee3b01842c61bdbbc7e8a8abecf6a00de6934a68c34217c2ab9c6075a5db
sha512 e655638663548f3ad4e943c1a0b8c108280e7980fe6075b214fc048e082b5b3e83c868a1765932ae43adb003b74eb69f655a0c98f2c5e7217d90c38706e7e655
ripemd-160 af538563714729c108b056ac2713574d9b683750

20154721 as geometric shapes

Circle

Radius = n
Diameter 40309442
Circumference 126635846.8575
Area 1.2761550810059E+15

Sphere

Radius = n
Volume 3.4294066147207E+22
Surface area 5.1046203240234E+15
Circumference 126635846.8575

Square

Length = n
Perimeter 80618884
Area 406212778587841
Diagonal 28503079.784046

Cube

Length = n
Surface area 2437276671527046
Volume 8.1871052190727E+21
Space diagonal 34909000.784375

Equilateral Triangle

Length = n
Perimeter 60464163
Area 1.7589529279947E+14
Altitude 17454500.392188

Triangular Pyramid

Length = n
Surface area 1.7589529279947E+14
Volume 9.6485960311568E+20
Height 9501026.5946819