8721645138 (number)

8721645138 is an even 10-digits composite number following 8721645137 and preceding 8721645139. In scientific notation, it is written as 8.721645138 × 10^9. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 2907215028 positive integers (up to 8721645138) that are relatively prime to 8721645138.

Interesting facts

Basic properties

Name

Name eight billion seven hundred twenty-one million six hundred forty-five thousand one hundred thirty-eight

Notation

Scientific notation 8.721645138 × 10^9
Engineering notation 8.721645138 × 10^9

Prime Factorization of 8721645138

Prime Factorization 2 × 27 × 161511947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 8721645138
Product of the distinct prime numbers

The prime factorization of 8721645138 is 2 × 27 × 161511947. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8721645138)

Multiplication

n×y
n×2 17443290276
n×3 26164935414
n×4 34886580552
n×5 43608225690

Division

n÷y
n÷2 4360822569
n÷3 2907215046
n÷3 2180411284.5
n÷5 1744329027.6

Exponentiation

ny
n2 7.6067093913199E+19
n3 6.6343019978984E+29
n4 5.7862027763994E+39
n5 5.0465207312266E+49

Nth Root

y√n
2√n 93389.748570172
3√n 2058.4143654761
4√n 305.59736348695
5√n 97.301532948815

Divisors of 8721645138

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 -8721645137
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 8721645138 can be divided by 8 positive divisors. The sum of these divisors (counting 8721645138) is 1, the average is 0.125.

Base conversion 8721645138

Base System Value
2 Binary 1000000111110110011011111001010010
3 Ternary 211111211022110221000
4 Quaternary 20013312123321102
5 Quinary 120330220121023
6 Senary 4001235042430
8 Octal 100766337122
10 Decimal 8721645138
12 Duodecimal 1834a40416
16 Hexadecimal 207d9be52
20 Vigesimal 6g5a5cgi
36 Base36 408n4gi

Cryptographic Hash Functions

md5 f2974007c5575a17693fda08be7d2b1a
sha1 d525e847bc89a07e2955b5f08986682a79087bef
sha256 8c66f110e1bb9f93c6e20f50949a2a6a562181d27ac60953dbba1d08a659b7af
sha512 49457a18a6551da48da568c2e9c0b74c8fbeabf8f7a9846966a9dd23ec966b3e7b75edda7257346495ff9c634041489933004bd6cd704b0bffba4d1211764bf8
ripemd-160 74bbc2f722a447ee7c6e8e0b8e96e5660d6b1fa3

8721645138 as geometric shapes

Circle

Radius = n
Diameter 17443290276
Circumference 54799712585.516
Area 2.3897182341763E+20

Sphere

Radius = n
Volume 2.7789699224392E+30
Surface area 9.5588729367052E+20
Circumference 54799712585.516

Square

Length = n
Perimeter 34886580552
Area 7.6067093913199E+19
Diagonal 12334268840.365

Cube

Length = n
Surface area 4.5640256347919E+20
Volume 6.6343019978984E+29
Space diagonal 15106332504.602

Equilateral Triangle

Length = n
Perimeter 26164935414
Area 3.2938017860444E+19
Altitude 7553166252.301

Triangular Pyramid

Length = n
Surface area 3.2938017860444E+19
Volume 7.8185998852557E+28
Height 4111422946.7883