251242021 (number)

251242021 is an odd 9-digits composite number following 251242020 and preceding 251242022. In scientific notation, it is written as 2.51242021 × 10^8. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 250985452 positive integers (up to 251242021) that are relatively prime to 251242021.

Interesting facts

Basic properties

Name

Name two hundred fifty-one million two hundred forty-two thousand twenty-one

Notation

Scientific notation 2.51242021 × 10^8
Engineering notation 2.51242021 × 10^6

Prime Factorization of 251242021

Prime Factorization 983 × 255587

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 251242021
Product of the distinct prime numbers

The prime factorization of 251242021 is 983 × 255587. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 46, 74, 180, 180, 9711, 9580, 15877, 85173, 736673, 244800, 5219224, 5924186, 33427514, 21104201, 71351463, 825677434, 2929872022, 3674041210

Basic calculations (n = 251242021)

Multiplication

n×y
n×2 502484042
n×3 753726063
n×4 1004968084
n×5 1256210105

Division

n÷y
n÷2 125621010.5
n÷3 83747340.333333
n÷3 62810505.25
n÷5 50248404.2

Exponentiation

ny
n2 63122553116164441
n3 1.5859037815585E+25
n4 3.984456711903E+33
n5 1.0010629568855E+42

Nth Root

y√n
2√n 15850.615792454
3√n 631.00203434638
4√n 125.89922872065
5√n 47.86504324727

Divisors of 251242021

1, 983, 255587, 251242021

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 -251242020
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 251242021 can be divided by 4 positive divisors. The sum of these divisors (counting 251242021) is 1, the average is 0.25.

Base conversion 251242021

Base System Value
2 Binary 1110111110011010011000100101
3 Ternary 122111202102021001
4 Quaternary 32332122120211
5 Quinary 1003304221041
6 Senary 40532553301
8 Octal 1676323045
10 Decimal 251242021
12 Duodecimal 70182831
16 Hexadecimal ef9a625
20 Vigesimal 3ia5511
36 Base36 45kzl1

Cryptographic Hash Functions

md5 53fde319bbb1218ed1bcfda0eff31014
sha1 69fd230def678bc8d81f798e9140a23f3612676b
sha256 7b8cbdd575ff4a0f97a342ca75c6e84b08c90497da17ccbf5be36f382813b9cf
sha512 e3e11ed4bdd30556e273333c8e603cc9f7c7af3ad80b2fa96edf984c5b5517a281fdb1aa7aaa288df73167119960f4efa766205b55d4171447031dda93b75759
ripemd-160 96cbdb0c0224206c80a6697e3411ff4e09fdedc2

251242021 as geometric shapes

Circle

Radius = n
Diameter 502484042
Circumference 1578600174.8933
Area 1.9830534914557E+17

Sphere

Radius = n
Volume 6.6430182259259E+25
Surface area 7.9322139658229E+17
Circumference 1578600174.8933

Square

Length = n
Perimeter 1004968084
Area 63122553116164441
Diagonal 355309873.53623

Cube

Length = n
Surface area 378735318696986646
Volume 1.5859037815585E+25
Space diagonal 435163945.36829

Equilateral Triangle

Length = n
Perimeter 753726063
Area 2.7332867275165E+16
Altitude 217581972.68414

Triangular Pyramid

Length = n
Surface area 2.7332867275165E+16
Volume 1.8690055304157E+24
Height 118436624.51208