68991009 (number)

68991009 is an odd 8-digits composite number following 68991008 and preceding 68991010. In scientific notation, it is written as 6.8991009 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 45994004 positive integers (up to 68991009) that are relatively prime to 68991009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8991009 × 10^7
Engineering notation 6.8991009 × 10^6

Prime Factorization of 68991009

Prime Factorization 3 × 22997003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68991009
Product of the distinct prime numbers

The prime factorization of 68991009 is 3 × 22997003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 75, 26, 123, 287, 911, 1460, 15635, 69868, 900601, 149638, 675586, 1240402, 32690515, 50591923, 741305012, 236198626, 5418467910, 6469516879

Basic calculations (n = 68991009)

Multiplication

n×y
n×2 137982018
n×3 206973027
n×4 275964036
n×5 344955045

Division

n÷y
n÷2 34495504.5
n÷3 22997003
n÷3 17247752.25
n÷5 13798201.8

Exponentiation

ny
n2 4759759322838081
n3 3.2838059827976E+23
n4 2.2655308811344E+31
n5 1.5630126141012E+39

Nth Root

y√n
2√n 8306.0826506844
3√n 410.13877713393
4√n 91.137712560083
5√n 36.962258442205

Divisors of 68991009

1, 3, 22997003, 68991009

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 -68991008
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 68991009 can be divided by 4 positive divisors. The sum of these divisors (counting 68991009) is 1, the average is 0.25.

Base conversion 68991009

Base System Value
2 Binary 100000111001011100000100001
3 Ternary 11210211002212120
4 Quaternary 10013023200201
5 Quinary 120130203014
6 Senary 10502414453
8 Octal 407134041
10 Decimal 68991009
12 Duodecimal 1b131429
16 Hexadecimal 41cb821
20 Vigesimal 11b3ha9
36 Base36 152psx

Cryptographic Hash Functions

md5 f2f1aa9981670986dc190dca6c6bbf93
sha1 c2129783283a70d58294169639546fd284c72888
sha256 96dd1530e24d46b9c0d0c42e244d84d95dc646a187f5c45bb181958b62fe4fe4
sha512 3e116d28b140af880ea0976c0bea8619631ab9174b4b49dddabe97f569345b0c3a6e3ec492b4aaaa7558ec5fbf43ea31268b04c29a963aadbe04a1de1db84645
ripemd-160 cd7d083705e563b2affb407994b1772777f27057

68991009 as geometric shapes

Circle

Radius = n
Diameter 137982018
Circumference 433483294.07629
Area 1.4953224921484E+16

Sphere

Radius = n
Volume 1.3755174335161E+24
Surface area 5.9812899685935E+16
Circumference 433483294.07629

Square

Length = n
Perimeter 275964036
Area 4759759322838081
Diagonal 97568020.609604

Cube

Length = n
Surface area 28558555937028486
Volume 3.2838059827976E+23
Space diagonal 119495932.85344

Equilateral Triangle

Length = n
Perimeter 206973027
Area 2.0610362447388E+15
Altitude 59747966.426721

Triangular Pyramid

Length = n
Surface area 2.0610362447388E+15
Volume 3.8700024642285E+22
Height 32522673.536535