68279945 (number)

68279945 is an odd 8-digits composite number following 68279944 and preceding 68279946. In scientific notation, it is written as 6.8279945 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 54623952 positive integers (up to 68279945) that are relatively prime to 68279945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8279945 × 10^7
Engineering notation 6.8279945 × 10^6

Prime Factorization of 68279945

Prime Factorization 5 × 13655989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68279945
Product of the distinct prime numbers

The prime factorization of 68279945 is 5 × 13655989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68279945)

Multiplication

n×y
n×2 136559890
n×3 204839835
n×4 273119780
n×5 341399725

Division

n÷y
n÷2 34139972.5
n÷3 22759981.666667
n÷3 17069986.25
n÷5 13655989

Exponentiation

ny
n2 4662150889203025
n3 3.1833140629648E+23
n4 2.1735650913697E+31
n5 1.4841090489264E+39

Nth Root

y√n
2√n 8263.1679760247
3√n 408.72486043393
4√n 90.901969043716
5√n 36.885751197985

Divisors of 68279945

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68279944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68279945 can be divided by 4 positive divisors. The sum of these divisors (counting 68279945) is 1, the average is 0.25.

Base conversion 68279945

Base System Value
2 Binary 100000100011101111010001001
3 Ternary 11202110222110212
4 Quaternary 10010131322021
5 Quinary 114434424240
6 Senary 10435250505
8 Octal 404357211
10 Decimal 68279945
12 Duodecimal 1aa49a35
16 Hexadecimal 411de89
20 Vigesimal 116ejh5
36 Base36 14nh55

Cryptographic Hash Functions

md5 0c492d6d8f24afbc03e83ad49e25e877
sha1 c6f91416d25e5eb4ba00113faef718bcda79ce5f
sha256 250e744b1458acbd13a28aa57c71d9c16f363511780683c2b4c721124e165414
sha512 2748d89376a1ebbd5d663157c3cd4de85ea78b17f4f1d34912531b9cec8482edddeced33242b5b4bf0135ecac991b3d7a67417b1f6125c4ba4fa8b86256e01c5
ripemd-160 6ac85835868be511d55210aaf619f7f4e293c890

68279945 as geometric shapes

Circle

Radius = n
Diameter 136559890
Circumference 429015547.19903
Area 1.4646578983447E+16

Sphere

Radius = n
Volume 1.3334234765706E+24
Surface area 5.8586315933789E+16
Circumference 429015547.19903

Square

Length = n
Perimeter 273119780
Area 4662150889203025
Diagonal 96562424.257089

Cube

Length = n
Surface area 27972905335218150
Volume 3.1833140629648E+23
Space diagonal 118264333.87801

Equilateral Triangle

Length = n
Perimeter 204839835
Area 2.018770553163E+15
Altitude 59132166.939004

Triangular Pyramid

Length = n
Surface area 2.018770553163E+15
Volume 3.7515716009482E+22
Height 32187474.752363