68991008 (number)

68991008 is an even 8-digits composite number following 68991007 and preceding 68991009. In scientific notation, it is written as 6.8991008 × 10^7. The sum of its digits is 41. It has a total of 7 prime factors and 24 positive divisors. There are 34241536 positive integers (up to 68991008) that are relatively prime to 68991008.

Interesting facts

Basic properties

Name

Name sixty-eight million nine hundred ninety-one thousand eight

Notation

Scientific notation 6.8991008 × 10^7
Engineering notation 6.8991008 × 10^6

Prime Factorization of 68991008

Prime Factorization 2 × 2 × 2 × 2 × 2 × 137 × 15737

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4311938
Product of the distinct prime numbers

The prime factorization of 68991008 is 2 × 2 × 2 × 2 × 2 × 137 × 15737. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68991008)

Multiplication

n×y
n×2 137982016
n×3 206973024
n×4 275964032
n×5 344955040

Division

n÷y
n÷2 34495504
n÷3 22997002.666667
n÷3 17247752
n÷5 13798201.6

Exponentiation

ny
n2 4759759184856064
n3 3.2838058400048E+23
n4 2.2655307497822E+31
n5 1.5630125008247E+39

Nth Root

y√n
2√n 8306.0825904875
3√n 410.13877515233
4√n 91.137712229831
5√n 36.962258335054

Divisors of 68991008

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68991007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68991008 can be divided by 24 positive divisors. The sum of these divisors (counting 68991008) is 1, the average is 0.041666666666667.

Base conversion 68991008

Base System Value
2 Binary 100000111001011100000100000
3 Ternary 11210211002212112
4 Quaternary 10013023200200
5 Quinary 120130203013
6 Senary 10502414452
8 Octal 407134040
10 Decimal 68991008
12 Duodecimal 1b131428
16 Hexadecimal 41cb820
20 Vigesimal 11b3ha8
36 Base36 152psw

Cryptographic Hash Functions

md5 704d53b7be5c6c549eceb4c8a469cca5
sha1 bdc5b01efbec7a5ea9244c100015d4174099cbd7
sha256 916322558d1a44570dcd85bf4dc84d0c1014db0871e58ed9b916033a49204f9b
sha512 2810127f3eae8ed9257486dc6d7a6208ce871e0d9ad954bd6cc3eee11755c7add1b7ebb6d2ec640b2585b8dfd80b2d2dc501b4743b6e0c4a121fd50091db2bcb
ripemd-160 aa262a2b982800c91c5daf81457e6bd5b997eba3

68991008 as geometric shapes

Circle

Radius = n
Diameter 137982016
Circumference 433483287.79311
Area 1.4953224488E+16

Sphere

Radius = n
Volume 1.3755173737032E+24
Surface area 5.9812897952001E+16
Circumference 433483287.79311

Square

Length = n
Perimeter 275964032
Area 4759759184856064
Diagonal 97568019.195391

Cube

Length = n
Surface area 28558555109136384
Volume 3.2838058400048E+23
Space diagonal 119495931.12139

Equilateral Triangle

Length = n
Perimeter 206973024
Area 2.0610361849908E+15
Altitude 59747965.560695

Triangular Pyramid

Length = n
Surface area 2.0610361849908E+15
Volume 3.8700022959456E+22
Height 32522673.06513