65408840 (number)

65408840 is an even 8-digits composite number following 65408839 and preceding 65408841. In scientific notation, it is written as 6.5408840 × 10^7. The sum of its digits is 35. It has a total of 7 prime factors and 64 positive divisors. There are 22134528 positive integers (up to 65408840) that are relatively prime to 65408840.

Interesting facts

Basic properties

Name

Name sixty-five million four hundred eight thousand eight hundred forty

Notation

Scientific notation 6.5408840 × 10^7
Engineering notation 6.5408840 × 10^6

Prime Factorization of 65408840

Prime Factorization 2 × 2 × 2 × 5 × 7 × 79 × 2957

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16352210
Product of the distinct prime numbers

The prime factorization of 65408840 is 2 × 2 × 2 × 5 × 7 × 79 × 2957. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65408840)

Multiplication

n×y
n×2 130817680
n×3 196226520
n×4 261635360
n×5 327044200

Division

n÷y
n÷2 32704420
n÷3 21802946.666667
n÷3 16352210
n÷5 13081768

Exponentiation

ny
n2 4278316350145600
n3 2.7983970961606E+23
n4 1.8303990791923E+31
n5 1.1972428050704E+39

Nth Root

y√n
2√n 8087.5731835947
3√n 402.91380612839
4√n 89.93093563171
5√n 36.570196123112

Divisors of 65408840

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -65408839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 65408840 can be divided by 64 positive divisors. The sum of these divisors (counting 65408840) is 1, the average is 0.015625.

Base conversion 65408840

Base System Value
2 Binary 11111001100000111101001000
3 Ternary 11120002010001122
4 Quaternary 3321200331020
5 Quinary 113221040330
6 Senary 10253534412
8 Octal 371407510
10 Decimal 65408840
12 Duodecimal 19aa4408
16 Hexadecimal 3e60f48
20 Vigesimal 108g220
36 Base36 12xxs8

Cryptographic Hash Functions

md5 3761396f6a1a3de918ef219145ff3f5d
sha1 879e7d16c769043f974f7337d79041497070ebbb
sha256 647d1282c85b32efe8ed43a0f0dd75c788579d320060d126a9dca7222056aaba
sha512 405aa1376180e7e830fac2875753f5b9efd996d9d1dd170040c77edaadf6c101bccebd82ceb2a985250c2c8a7e1ed362508c15f6aaed283357b80a0129b63c6f
ripemd-160 2c96f6af1010235a15dd6b4fe7b16e6ceff13c06

65408840 as geometric shapes

Circle

Radius = n
Diameter 130817680
Circumference 410975862.44766
Area 1.3440727215351E+16

Sphere

Radius = n
Volume 1.17218983455E+24
Surface area 5.3762908861402E+16
Circumference 410975862.44766

Square

Length = n
Perimeter 261635360
Area 4278316350145600
Diagonal 92502068.627092

Cube

Length = n
Surface area 25669898100873600
Volume 2.7983970961606E+23
Space diagonal 113291434.14414

Equilateral Triangle

Length = n
Perimeter 196226520
Area 1.8525653223262E+15
Altitude 56645717.072072

Triangular Pyramid

Length = n
Surface area 1.8525653223262E+15
Volume 3.2979426052465E+22
Height 30834022.875697