68640906 (number)

68640906 is an even 8-digits composite number following 68640905 and preceding 68640907. In scientific notation, it is written as 6.8640906 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 22880300 positive integers (up to 68640906) that are relatively prime to 68640906.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred forty thousand nine hundred six

Notation

Scientific notation 6.8640906 × 10^7
Engineering notation 6.8640906 × 10^6

Prime Factorization of 68640906

Prime Factorization 2 × 3 × 11440151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68640906
Product of the distinct prime numbers

The prime factorization of 68640906 is 2 × 3 × 11440151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68640906)

Multiplication

n×y
n×2 137281812
n×3 205922718
n×4 274563624
n×5 343204530

Division

n÷y
n÷2 34320453
n÷3 22880302
n÷3 17160226.5
n÷5 13728181.2

Exponentiation

ny
n2 4711573976500836
n3 3.2340670643304E+23
n4 2.219892933604E+31
n5 1.5237546218558E+39

Nth Root

y√n
2√n 8284.980748318
3√n 409.44383444036
4√n 91.021869615593
5√n 36.924668195437

Divisors of 68640906

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 -68640905
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 68640906 can be divided by 8 positive divisors. The sum of these divisors (counting 68640906) is 1, the average is 0.125.

Base conversion 68640906

Base System Value
2 Binary 100000101110110000010001010
3 Ternary 11210011022121210
4 Quaternary 10011312002022
5 Quinary 120033002111
6 Senary 10451113550
8 Octal 405660212
10 Decimal 68640906
12 Duodecimal 1aba28b6
16 Hexadecimal 417608a
20 Vigesimal 1190256
36 Base36 14v7nu

Cryptographic Hash Functions

md5 c9674002ec93d00d318a91a542b451c3
sha1 46f4d9f0b4fd48c4dda9e6807f9819d949d6ebe4
sha256 224d694646ee09596c00bb0dea62a613c4b2cea7ef15ca2a8b2047908463760c
sha512 bc5609a085569b335943c0c5143af488ecebeea9b1020750caaec33bf09b9bd4e07631e8331e3d4e5b0b2412c3f5a3eaf1af7c67a661189bc0cb39122f468883
ripemd-160 3887add3d021883e05ffadeb8f6a014fcb31c3ca

68640906 as geometric shapes

Circle

Radius = n
Diameter 137281812
Circumference 431283532.0507
Area 1.480184619142E+16

Sphere

Radius = n
Volume 1.3546828440689E+24
Surface area 5.9207384765679E+16
Circumference 431283532.0507

Square

Length = n
Perimeter 274563624
Area 4711573976500836
Diagonal 97072900.198777

Cube

Length = n
Surface area 28269443859005016
Volume 3.2340670643304E+23
Space diagonal 118889536.66956

Equilateral Triangle

Length = n
Perimeter 205922718
Area 2.0401713777297E+15
Altitude 59444768.33478

Triangular Pyramid

Length = n
Surface area 2.0401713777297E+15
Volume 3.8113845866668E+22
Height 32357633.399592