68978090 (number)

68978090 is an even 8-digits composite number following 68978089 and preceding 68978091. In scientific notation, it is written as 6.8978090 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 27569040 positive integers (up to 68978090) that are relatively prime to 68978090.

Interesting facts

Basic properties

Name

Name sixty-eight million nine hundred seventy-eight thousand ninety

Notation

Scientific notation 6.8978090 × 10^7
Engineering notation 6.8978090 × 10^6

Prime Factorization of 68978090

Prime Factorization 2 × 5 × 1879 × 3671

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68978090
Product of the distinct prime numbers

The prime factorization of 68978090 is 2 × 5 × 1879 × 3671. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68978090)

Multiplication

n×y
n×2 137956180
n×3 206934270
n×4 275912360
n×5 344890450

Division

n÷y
n÷2 34489045
n÷3 22992696.666667
n÷3 17244522.5
n÷5 13795618

Exponentiation

ny
n2 4757976900048100
n3 3.2819615882944E+23
n4 2.2638344181391E+31
n5 1.561549742395E+39

Nth Root

y√n
2√n 8305.3049311871
3√n 410.11317518133
4√n 91.133445733095
5√n 36.960874055472

Divisors of 68978090

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68978089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68978090 can be divided by 16 positive divisors. The sum of these divisors (counting 68978090) is 1, the average is 0.0625.

Base conversion 68978090

Base System Value
2 Binary 100000111001000010110101010
3 Ternary 11210210110011002
4 Quaternary 10013020112222
5 Quinary 120124244330
6 Senary 10502235002
8 Octal 407102652
10 Decimal 68978090
12 Duodecimal 1b125a62
16 Hexadecimal 41c85aa
20 Vigesimal 11b254a
36 Base36 152fu2

Cryptographic Hash Functions

md5 302f4ab0f94116cd35ab4ca7cb96eeb9
sha1 c984c125be5dcc1b4e8650a736f2c4d17e29b355
sha256 b974115e8a87307674caa1b13cf53c53b251f0f5ae8e304c3e82a15b2f854feb
sha512 3ecae2f51a987dbd8d63ea5a69a9adcf3825ea94550c2dd25dee6c553f2f741b2948f1a279974e2b961d63662403d6df148a4b230e1f418f9acb88c829e457bd
ripemd-160 fb073e51fd73a235a78afe9047abd8659653f20e

68978090 as geometric shapes

Circle

Radius = n
Diameter 137956180
Circumference 433402121.60531
Area 1.4947625275141E+16

Sphere

Radius = n
Volume 1.3747448553533E+24
Surface area 5.9790501100564E+16
Circumference 433402121.60531

Square

Length = n
Perimeter 275912360
Area 4757976900048100
Diagonal 97549750.384592

Cube

Length = n
Surface area 28547861400288600
Volume 3.2819615882944E+23
Space diagonal 119473556.48906

Equilateral Triangle

Length = n
Perimeter 206934270
Area 2.0602644330306E+15
Altitude 59736778.244529

Triangular Pyramid

Length = n
Surface area 2.0602644330306E+15
Volume 3.8678288244612E+22
Height 32516583.461531