68939968 (number)

68939968 is an even 8-digits composite number following 68939967 and preceding 68939969. In scientific notation, it is written as 6.8939968 × 10^7. The sum of its digits is 58. It has a total of 8 prime factors and 28 positive divisors. There are 34290432 positive integers (up to 68939968) that are relatively prime to 68939968.

Interesting facts

Basic properties

Name

Name sixty-eight million nine hundred thirty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 6.8939968 × 10^7
Engineering notation 6.8939968 × 10^6

Prime Factorization of 68939968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 199 × 5413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2154374
Product of the distinct prime numbers

The prime factorization of 68939968 is 2 × 2 × 2 × 2 × 2 × 2 × 199 × 5413. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68939968)

Multiplication

n×y
n×2 137879936
n×3 206819904
n×4 275759872
n×5 344699840

Division

n÷y
n÷2 34469984
n÷3 22979989.333333
n÷3 17234992
n÷5 13787993.6

Exponentiation

ny
n2 4752719187841024
n3 3.2765230872275E+23
n4 2.2588339678472E+31
n5 1.557239414607E+39

Nth Root

y√n
2√n 8303.0095748469
3√n 410.03760908226
4√n 91.120851482232
5√n 36.956787731734

Divisors of 68939968

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68939967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68939968 can be divided by 28 positive divisors. The sum of these divisors (counting 68939968) is 1, the average is 0.035714285714286.

Base conversion 68939968

Base System Value
2 Binary 100000110111111000011000000
3 Ternary 11210201111212011
4 Quaternary 10012333003000
5 Quinary 120122034333
6 Senary 10501342304
8 Octal 406770300
10 Decimal 68939968
12 Duodecimal 1b107994
16 Hexadecimal 41bf0c0
20 Vigesimal 11ah9i8
36 Base36 151mf4

Cryptographic Hash Functions

md5 df1bddaaf3848675023ae42782b2abb4
sha1 3caef7bf4501f7dfa3f7e61aa6a442816cc4c9cc
sha256 a261395e04f8eaa97f161fdc5075d9569eedfe3cb88b47e58dc3955a7cb44cc5
sha512 482a783e32ef26bfdb6d5c684f2212a747cdd485a18a3268561ff586d446dde99acc8e3525edec0b4b4318e48f5de5e82aa21cd7e021a68104860a39b2b3ebe8
ripemd-160 dbdc1209995fc17d9b6e0743f7ac8eaedb4ab8e7

68939968 as geometric shapes

Circle

Radius = n
Diameter 137879936
Circumference 433162594.01503
Area 1.4931107685097E+16

Sphere

Radius = n
Volume 1.3724667813535E+24
Surface area 5.9724430740386E+16
Circumference 433162594.01503

Square

Length = n
Perimeter 275759872
Area 4752719187841024
Diagonal 97495837.735167

Cube

Length = n
Surface area 28516315127046144
Volume 3.2765230872275E+23
Space diagonal 119407527.24817

Equilateral Triangle

Length = n
Perimeter 206819904
Area 2.057987776862E+15
Altitude 59703763.624086

Triangular Pyramid

Length = n
Surface area 2.057987776862E+15
Volume 3.861419489488E+22
Height 32498612.578389