68509985 (number)

68509985 is an odd 8-digits composite number following 68509984 and preceding 68509986. In scientific notation, it is written as 6.8509985 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 51754560 positive integers (up to 68509985) that are relatively prime to 68509985.

Interesting facts

Basic properties

Name

Name sixty-eight million five hundred nine thousand nine hundred eighty-five

Notation

Scientific notation 6.8509985 × 10^7
Engineering notation 6.8509985 × 10^6

Prime Factorization of 68509985

Prime Factorization 5 × 23 × 79 × 7541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68509985
Product of the distinct prime numbers

The prime factorization of 68509985 is 5 × 23 × 79 × 7541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 64, 57, 788, 104, 4501, 383, 52719, 55929, 149200, 956275, 5277145, 2485552, 44751867, 74458938, 684750138, 649413764, 8234284292, 9565633138

Basic calculations (n = 68509985)

Multiplication

n×y
n×2 137019970
n×3 205529955
n×4 274039940
n×5 342549925

Division

n÷y
n÷2 34254992.5
n÷3 22836661.666667
n÷3 17127496.25
n÷5 13701997

Exponentiation

ny
n2 4693618044700225
n3 3.2155970183814E+23
n4 2.2030050349536E+31
n5 1.5092784189959E+39

Nth Root

y√n
2√n 8277.0758725531
3√n 409.18335364619
4√n 90.978436305275
5√n 36.910571916195

Divisors of 68509985

1, 5, 23, 79, 115, 395, 1817, 7541, 9085, 37705, 173443, 595739, 867215, 2978695, 13701997, 68509985

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 -68509984
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 68509985 can be divided by 16 positive divisors. The sum of these divisors (counting 68509985) is 1, the average is 0.0625.

Base conversion 68509985

Base System Value
2 Binary 100000101010110000100100001
3 Ternary 11202220200000212
4 Quaternary 10011112010201
5 Quinary 120014304420
6 Senary 10444223505
8 Octal 405260441
10 Decimal 68509985
12 Duodecimal 1ab3ab95
16 Hexadecimal 4156121
20 Vigesimal 1183ej5
36 Base36 14sen5

Cryptographic Hash Functions

md5 f7a300fba85d073d1b08bf591d10728d
sha1 ef6e9627a68ded20c91fb107f4fc70e0f8efb45a
sha256 bfd3856e8ce827d1b887695efb3668d354ab6edce1c6aec2c1503116b463ae2e
sha512 3ddc22fd54f9c4660d9a0024bb1b4f74e4e50475fa0dccd9ab2f42debeb01cde7bdbf121ea7d747fac6aa30e8b847191b25b6296ae9d78d614583f5c481f9417
ripemd-160 7fa9db4051a9aff20c707164564095e6a0e98f16

68509985 as geometric shapes

Circle

Radius = n
Diameter 137019970
Circumference 430460931.14709
Area 1.4745435967987E+16

Sphere

Radius = n
Volume 1.3469461293136E+24
Surface area 5.8981743871947E+16
Circumference 430460931.14709

Square

Length = n
Perimeter 274039940
Area 4693618044700225
Diagonal 96887749.944977

Cube

Length = n
Surface area 28161708268201350
Volume 3.2155970183814E+23
Space diagonal 118662774.84578

Equilateral Triangle

Length = n
Perimeter 205529955
Area 2.0323962311857E+15
Altitude 59331387.422891

Triangular Pyramid

Length = n
Surface area 2.0323962311857E+15
Volume 3.7896174287679E+22
Height 32295916.648326