7642981 (number)

7642981 is an odd 7-digits composite number following 7642980 and preceding 7642982. In scientific notation, it is written as 7.642981 × 10^6. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 7516992 positive integers (up to 7642981) that are relatively prime to 7642981.

Interesting facts

Basic properties

Name

Name seven million six hundred forty-two thousand nine hundred eighty-one

Notation

Scientific notation 7.642981 × 10^6
Engineering notation 7.642981 × 10^6

Prime Factorization of 7642981

Prime Factorization 283 × 113 × 239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7642981
Product of the distinct prime numbers

The prime factorization of 7642981 is 283 × 113 × 239. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7642981)

Multiplication

n×y
n×2 15285962
n×3 22928943
n×4 30571924
n×5 38214905

Division

n÷y
n÷2 3821490.5
n÷3 2547660.3333333
n÷3 1910745.25
n÷5 1528596.2

Exponentiation

ny
n2 58415158566361
n3 4.4646594703468E+20
n4 3.4123307503331E+27
n5 2.6080379090512E+34

Nth Root

y√n
2√n 2764.5941836009
3√n 196.97945279442
4√n 52.579408361077
5√n 23.804143297531

Divisors of 7642981

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 -7642980
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 7642981 can be divided by 8 positive divisors. The sum of these divisors (counting 7642981) is 1, the average is 0.125.

Base conversion 7642981

Base System Value
2 Binary 11101001001111101100101
3 Ternary 112101022012101
4 Quaternary 131021331211
5 Quinary 3424033411
6 Senary 431452101
8 Octal 35117545
10 Decimal 7642981
12 Duodecimal 2687031
16 Hexadecimal 749f65
20 Vigesimal 27f791
36 Base36 4jtd1

Cryptographic Hash Functions

md5 4bb88c9a7a4b8c919a5d4808a1059a71
sha1 802fb7b4694716a5b7e5a5d9a6f4eeb89995d5c8
sha256 6b1d0d78d6ef3f9401577f87b818b0b085c39824a770a35cab1df9487fd26da3
sha512 d084ffc8b502df6cbcb1cb628337f4299ebc7b286b512bc58192401fdf863e5180fdb310136257e859a2f19e87b1150aa6129c793650081946ef5a1cbf09a29e
ripemd-160 fe8cba40968fddbab4c3d280b19a9a60057a2cc5

7642981 as geometric shapes

Circle

Radius = n
Diameter 15285962
Circumference 48022265.922253
Area 1.8351663301036E+14

Sphere

Radius = n
Volume 1.8701521857096E+21
Surface area 7.3406653204145E+14
Circumference 48022265.922253

Square

Length = n
Perimeter 30571924
Area 58415158566361
Diagonal 10808807.38716

Cube

Length = n
Surface area 350490951398166
Volume 4.4646594703468E+20
Space diagonal 13238031.413284

Equilateral Triangle

Length = n
Perimeter 22928943
Area 25294505642282
Altitude 6619015.7066418

Triangular Pyramid

Length = n
Surface area 25294505642282
Volume 5.261651645285E+19
Height 3602935.79572