68639897 (number)

68639897 is an odd 8-digits composite number following 68639896 and preceding 68639898. In scientific notation, it is written as 6.8639897 × 10^7. The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors. There are 62361600 positive integers (up to 68639897) that are relatively prime to 68639897.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred thirty-nine thousand eight hundred ninety-seven

Notation

Scientific notation 6.8639897 × 10^7
Engineering notation 6.8639897 × 10^6

Prime Factorization of 68639897

Prime Factorization 17 × 29 × 29 × 4801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2366893
Product of the distinct prime numbers

The prime factorization of 68639897 is 17 × 29 × 29 × 4801. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 71, 67, 427, 110, 3828, 183, 95244, 27479, 215420, 493640, 9100111, 3061906, 5301757, 44839694, 131134235, 51951868, 579413037, 7319404020

Basic calculations (n = 68639897)

Multiplication

n×y
n×2 137279794
n×3 205919691
n×4 274559588
n×5 343199485

Division

n÷y
n÷2 34319948.5
n÷3 22879965.666667
n÷3 17159974.25
n÷5 13727979.4

Exponentiation

ny
n2 4711435460170609
n3 3.2339244470826E+23
n4 2.2197624095353E+31
n5 1.5236426315498E+39

Nth Root

y√n
2√n 8284.9198547723
3√n 409.44182819813
4√n 91.021535115446
5√n 36.924559638568

Divisors of 68639897

1, 17, 29, 493, 841, 4801, 14297, 81617, 139229, 2366893, 4037641, 68639897

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68639896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68639897 can be divided by 12 positive divisors. The sum of these divisors (counting 68639897) is 1, the average is 0.083333333333333.

Base conversion 68639897

Base System Value
2 Binary 100000101110101110010011001
3 Ternary 11210011021020102
4 Quaternary 10011311302121
5 Quinary 120032434042
6 Senary 10451105145
8 Octal 405656231
10 Decimal 68639897
12 Duodecimal 1aba21b5
16 Hexadecimal 4175c99
20 Vigesimal 118jjeh
36 Base36 14v6vt

Cryptographic Hash Functions

md5 e36f2c0c548a5e2cc38f7781ad7cd9e0
sha1 f15502999132ec53a8310692f9b5b50a121fe39c
sha256 3f53ed13f1c76ba03b46c20609e07fea2e2c448e98e5d415add9c5fd2b0d417c
sha512 7eed96849106f9794f07dc7f11107c1d018042a1128133f230609701f3cf07e34b420b7b12f9426a08cc723a9431ac85360252ee7395819b3445e775b49fd24e
ripemd-160 473d0af958a989f62668cc4cd10d79081794fa4f

68639897 as geometric shapes

Circle

Radius = n
Diameter 137279794
Circumference 431277192.31672
Area 1.4801411029534E+16

Sphere

Radius = n
Volume 1.3546231046959E+24
Surface area 5.9205644118138E+16
Circumference 431277192.31672

Square

Length = n
Perimeter 274559588
Area 4711435460170609
Diagonal 97071473.257292

Cube

Length = n
Surface area 28268612761023654
Volume 3.2339244470826E+23
Space diagonal 118887789.03029

Equilateral Triangle

Length = n
Perimeter 205919691
Area 2.0401113983993E+15
Altitude 59443894.515147

Triangular Pyramid

Length = n
Surface area 2.0401113983993E+15
Volume 3.8112165106284E+22
Height 32357157.752431