68507988 (number)

68507988 is an even 8-digits composite number following 68507987 and preceding 68507989. In scientific notation, it is written as 6.8507988 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors. There are 22835992 positive integers (up to 68507988) that are relatively prime to 68507988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8507988 × 10^7
Engineering notation 6.8507988 × 10^6

Prime Factorization of 68507988

Prime Factorization 2 × 2 × 3 × 5708999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 34253994
Product of the distinct prime numbers

The prime factorization of 68507988 is 2 × 2 × 3 × 5708999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68507988)

Multiplication

n×y
n×2 137015976
n×3 205523964
n×4 274031952
n×5 342539940

Division

n÷y
n÷2 34253994
n÷3 22835996
n÷3 17126997
n÷5 13701597.6

Exponentiation

ny
n2 4693344419808144
n3 3.2153158319208E+23
n4 2.2027481842944E+31
n5 1.5090584617666E+39

Nth Root

y√n
2√n 8276.9552372838
3√n 409.17937784083
4√n 90.977773314606
5√n 36.91035673217

Divisors of 68507988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68507987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68507988 can be divided by 12 positive divisors. The sum of these divisors (counting 68507988) is 1, the average is 0.083333333333333.

Base conversion 68507988

Base System Value
2 Binary 100000101010101100101010100
3 Ternary 11202220120021220
4 Quaternary 10011111211110
5 Quinary 120014223423
6 Senary 10444210340
8 Octal 405254524
10 Decimal 68507988
12 Duodecimal 1ab399b0
16 Hexadecimal 4155954
20 Vigesimal 11839j8
36 Base36 14sd3o

Cryptographic Hash Functions

md5 60dcd9abbff76be8102878ffc67b4697
sha1 6182344a47716c1bee23c258feeb0335639d53b9
sha256 7b08b1f2ab67ae43cfa6c775b66de83f64717f84f9aecc7e2b2cbb4389d0dc75
sha512 f71d32d1d32c16ddf0201e48dc3670e5ae3331ac9ce0b1a2f0df713b4108a8bff940eb6f44ea009ef90ecee13b49365f65a0b9a9c0852dec92bd9c88ae973d65
ripemd-160 dae08ed57ca79e28dfdaf85b5d9d6eb737317a4c

68507988 as geometric shapes

Circle

Radius = n
Diameter 137015976
Circumference 430448383.62604
Area 1.4744576350036E+16

Sphere

Radius = n
Volume 1.3468283462045E+24
Surface area 5.8978305400144E+16
Circumference 430448383.62604

Square

Length = n
Perimeter 274031952
Area 4693344419808144
Diagonal 96884925.760493

Cube

Length = n
Surface area 28160066518848864
Volume 3.2153158319208E+23
Space diagonal 118659315.94032

Equilateral Triangle

Length = n
Perimeter 205523964
Area 2.0322777481319E+15
Altitude 59329657.970159

Triangular Pyramid

Length = n
Surface area 2.0322777481319E+15
Volume 3.7892860473461E+22
Height 32294975.253498