68985280 (number)

68985280 is an even 8-digits composite number following 68985279 and preceding 68985281. In scientific notation, it is written as 6.8985280 × 10^7. The sum of its digits is 46. It has a total of 11 prime factors and 224 positive divisors. There are 20680704 positive integers (up to 68985280) that are relatively prime to 68985280.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8985280 × 10^7
Engineering notation 6.8985280 × 10^6

Prime Factorization of 68985280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 13 × 5 × 7 × 23 × 103

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 2155790
Product of the distinct prime numbers

The prime factorization of 68985280 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 5 × 7 × 23 × 103. Since it has a total of 11 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68985280)

Multiplication

n×y
n×2 137970560
n×3 206955840
n×4 275941120
n×5 344926400

Division

n÷y
n÷2 34492640
n÷3 22995093.333333
n÷3 17246320
n÷5 13797056

Exponentiation

ny
n2 4758968856678400
n3 3.2829879908924E+23
n4 2.2647784578835E+31
n5 1.5623637605506E+39

Nth Root

y√n
2√n 8305.7377757789
3√n 410.12742420486
4√n 91.135820486672
5√n 36.96164455406

Divisors of 68985280

224 divisors

τ Total Divisors 224
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68985279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0044642857142857
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 224
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68985280 can be divided by 224 positive divisors. The sum of these divisors (counting 68985280) is 1, the average is 0.0044642857142857.

Base conversion 68985280

Base System Value
2 Binary 100000111001010000111000000
3 Ternary 11210210211000101
4 Quaternary 10013022013000
5 Quinary 120130012110
6 Senary 10502332144
8 Octal 407120700
10 Decimal 68985280
12 Duodecimal 1b12a054
16 Hexadecimal 41ca1c0
20 Vigesimal 11b3340
36 Base36 152lds

Cryptographic Hash Functions

md5 25137e4c7e5d29c04276be90b94995f4
sha1 3abcdc586b1f0081ac45cc833d20456e35eb20f5
sha256 1ade4d4513a5c6f8fa18bac1ba2fed0319953ae9677485f540b8712da1f84540
sha512 f276872b310bdf0bf5779eb72045b2af08acef47f42381829b7dd9ed8af7c9876b7f4a7bc672f99abd9bf8addf71599084a4df2ce2e46f439223a2d8def39db5
ripemd-160 9e00b5f13b1d49c9235fd0a591213fffce3efee5

68985280 as geometric shapes

Circle

Radius = n
Diameter 137970560
Circumference 433447297.70767
Area 1.4950741598803E+16

Sphere

Radius = n
Volume 1.3751747938681E+24
Surface area 5.9802966395214E+16
Circumference 433447297.70767

Square

Length = n
Perimeter 275941120
Area 4758968856678400
Diagonal 97559918.580105

Cube

Length = n
Surface area 28553813140070400
Volume 3.2829879908924E+23
Space diagonal 119486009.93437

Equilateral Triangle

Length = n
Perimeter 206955840
Area 2.0606939628512E+15
Altitude 59743004.967183

Triangular Pyramid

Length = n
Surface area 2.0606939628512E+15
Volume 3.8690384515234E+22
Height 32519972.860035