245642021 (number)

245642021 is an odd 9-digits composite number following 245642020 and preceding 245642022. In scientific notation, it is written as 2.45642021 × 10^8. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 245561292 positive integers (up to 245642021) that are relatively prime to 245642021.

Interesting facts

Basic properties

Name

Name two hundred forty-five million six hundred forty-two thousand twenty-one

Notation

Scientific notation 2.45642021 × 10^8
Engineering notation 2.45642021 × 10^6

Prime Factorization of 245642021

Prime Factorization 3167 × 77563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 245642021
Product of the distinct prime numbers

The prime factorization of 245642021 is 3167 × 77563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 245642021)

Multiplication

n×y
n×2 491284042
n×3 736926063
n×4 982568084
n×5 1228210105

Division

n÷y
n÷2 122821010.5
n÷3 81880673.666667
n÷3 61410505.25
n÷5 49128404.2

Exponentiation

ny
n2 60340002480964441
n3 1.4822040156569E+25
n4 3.6409158994028E+33
n5 8.9436193982034E+41

Nth Root

y√n
2√n 15672.97103296
3√n 626.27857386792
4√n 125.19173707941
5√n 47.649739682833

Divisors of 245642021

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 -245642020
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 245642021 can be divided by 4 positive divisors. The sum of these divisors (counting 245642021) is 1, the average is 0.25.

Base conversion 245642021

Base System Value
2 Binary 1110101001000011001100100101
3 Ternary 122010012220111122
4 Quaternary 32221003030211
5 Quinary 1000341021041
6 Senary 40212543325
8 Octal 1651031445
10 Decimal 245642021
12 Duodecimal 6a321b45
16 Hexadecimal ea43325
20 Vigesimal 3gf5511
36 Base36 428ylh

Cryptographic Hash Functions

md5 4ddc94d3f8f460f0d19cae6746450c56
sha1 849dcfa2c662c06920a4c24d01e270694c638f48
sha256 990239898b26fc45b1286ac5cd1440a4f0d0cbe7f3faad79a374c8487eafdfaa
sha512 555ac20876b7de0f36dce8a0a124388d2c50249adb8b1590f108b586210109fab01d4e95c4cf57d3d7f1fbb6d18d9a7b2f3c36798e509d8e46ae421a69702053
ripemd-160 fae03cfca45204374f589352ff38fc0a16fd15de

245642021 as geometric shapes

Circle

Radius = n
Diameter 491284042
Circumference 1543414337.1731
Area 1.8956370851179E+17

Sphere

Radius = n
Volume 6.2086416622787E+25
Surface area 7.5825483404715E+17
Circumference 1543414337.1731

Square

Length = n
Perimeter 982568084
Area 60340002480964441
Diagonal 347390277.58694

Cube

Length = n
Surface area 362040014885786646
Volume 1.4822040156569E+25
Space diagonal 425464460.8459

Equilateral Triangle

Length = n
Perimeter 736926063
Area 2.6127987506466E+16
Altitude 212732230.42295

Triangular Pyramid

Length = n
Surface area 2.6127987506466E+16
Volume 1.7467941842882E+24
Height 115796759.19565