68540978 (number)

68540978 is an even 8-digits composite number following 68540977 and preceding 68540979. In scientific notation, it is written as 6.8540978 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors. There are 29498560 positive integers (up to 68540978) that are relatively prime to 68540978.

Interesting facts

Basic properties

Name

Name sixty-eight million five hundred forty thousand nine hundred seventy-eight

Notation

Scientific notation 6.8540978 × 10^7
Engineering notation 6.8540978 × 10^6

Prime Factorization of 68540978

Prime Factorization 2 × 53 × 11 × 29 × 2027

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 68540978
Product of the distinct prime numbers

The prime factorization of 68540978 is 2 × 53 × 11 × 29 × 2027. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68540978)

Multiplication

n×y
n×2 137081956
n×3 205622934
n×4 274163912
n×5 342704890

Division

n÷y
n÷2 34270489
n÷3 22846992.666667
n÷3 17135244.5
n÷5 13708195.6

Exponentiation

ny
n2 4697865665196484
n3 3.2199630720519E+23
n4 2.2069941808232E+31
n5 1.5126953959393E+39

Nth Root

y√n
2√n 8278.9478800147
3√n 409.24504736766
4√n 90.988723916839
5√n 36.913910881763

Divisors of 68540978

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68540977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68540978 can be divided by 32 positive divisors. The sum of these divisors (counting 68540978) is 1, the average is 0.03125.

Base conversion 68540978

Base System Value
2 Binary 100000101011101101000110010
3 Ternary 11202222020112202
4 Quaternary 10011131220302
5 Quinary 120021302403
6 Senary 10445023202
8 Octal 405355062
10 Decimal 68540978
12 Duodecimal 1ab54b02
16 Hexadecimal 415da32
20 Vigesimal 1187c8i
36 Base36 14t2k2

Cryptographic Hash Functions

md5 0cbe28010950be0cbafd424c0d7424ef
sha1 ec0eadbe72c840bee0d3f52c530893dc78b74280
sha256 48f9185fd439f23d67688cc4f1eb7c6ff2d1a0072ec84294d2eaa6bf8c7975bd
sha512 2da0e632195a54b6c94a482ba5f5d3bbb774d6cc43a74eecb2f5c99f75c57313ad9917d48e195a5de1bf0a3e306bdb136bcb27d2e9bbc3ab06c37b281f67ff48
ripemd-160 5e3fc3ed056ca2c6206138e5c1d50a56b2a90ae7

68540978 as geometric shapes

Circle

Radius = n
Diameter 137081956
Circumference 430655665.90932
Area 1.4758780261333E+16

Sphere

Radius = n
Volume 1.3487749775985E+24
Surface area 5.9035121045332E+16
Circumference 430655665.90932

Square

Length = n
Perimeter 274163912
Area 4697865665196484
Diagonal 96931580.665916

Cube

Length = n
Surface area 28187193991178904
Volume 3.2199630720519E+23
Space diagonal 118716456.29646

Equilateral Triangle

Length = n
Perimeter 205622934
Area 2.0342355048134E+15
Altitude 59358228.14823

Triangular Pyramid

Length = n
Surface area 2.0342355048134E+15
Volume 3.7947628723636E+22
Height 32310526.888639