68279987 (number)

68279987 is an odd 8-digits composite number following 68279986 and preceding 68279988. In scientific notation, it is written as 6.8279987 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 68263176 positive integers (up to 68279987) that are relatively prime to 68279987.

Interesting facts

Basic properties

Name

Name sixty-eight million two hundred seventy-nine thousand nine hundred eighty-seven

Notation

Scientific notation 6.8279987 × 10^7
Engineering notation 6.8279987 × 10^6

Prime Factorization of 68279987

Prime Factorization 6863 × 9949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68279987
Product of the distinct prime numbers

The prime factorization of 68279987 is 6863 × 9949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 11, 23, 920, 454, 35, 9508, 51579, 6409, 158446, 567941, 1208357, 5662025, 50483684, 212385, 8786764, 882776094, 8404690464, 8156814937

Basic calculations (n = 68279987)

Multiplication

n×y
n×2 136559974
n×3 204839961
n×4 273119948
n×5 341399935

Division

n÷y
n÷2 34139993.5
n÷3 22759995.666667
n÷3 17069996.75
n÷5 13655997.4

Exponentiation

ny
n2 4662156624720169
n3 3.1833199372786E+23
n4 2.1735704393422E+31
n5 1.4841136134187E+39

Nth Root

y√n
2√n 8263.1705174225
3√n 408.72494423814
4√n 90.901983022498
5√n 36.885755735778

Divisors of 68279987

1, 6863, 9949, 68279987

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 -68279986
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 68279987 can be divided by 4 positive divisors. The sum of these divisors (counting 68279987) is 1, the average is 0.25.

Base conversion 68279987

Base System Value
2 Binary 100000100011101111010110011
3 Ternary 11202110222112102
4 Quaternary 10010131322303
5 Quinary 114434424422
6 Senary 10435251015
8 Octal 404357263
10 Decimal 68279987
12 Duodecimal 1aa49a6b
16 Hexadecimal 411deb3
20 Vigesimal 116ejj7
36 Base36 14nh6b

Cryptographic Hash Functions

md5 9ef39238d3fb893196011e62a46f4a06
sha1 85dfdda04b946f9bf683e6e6f30838b3f21d6886
sha256 c2233685416b6b456d8886baec39deff625e087104825024e7fd9ac695d74e11
sha512 e405c53610fbb2d929f5877ddb4bc88057d38afa9ee913a59ac0c11405dbfbab66db2ac0e3554ca3c80116c032a9dada18cb763db4a950aa037b178dc4cd2d68
ripemd-160 263b1941d381b1455d51ee62c08611a0f3211e72

68279987 as geometric shapes

Circle

Radius = n
Diameter 136559974
Circumference 429015811.09281
Area 1.4646597002106E+16

Sphere

Radius = n
Volume 1.3334259371974E+24
Surface area 5.8586388008423E+16
Circumference 429015811.09281

Square

Length = n
Perimeter 273119948
Area 4662156624720169
Diagonal 96562483.654059

Cube

Length = n
Surface area 27972939748321014
Volume 3.1833199372786E+23
Space diagonal 118264406.62414

Equilateral Triangle

Length = n
Perimeter 204839961
Area 2.0187730367148E+15
Altitude 59132203.312071

Triangular Pyramid

Length = n
Surface area 2.0187730367148E+15
Volume 3.7515785238934E+22
Height 32187494.551353