68972009 is an odd 8-digits composite number following 68972008
and preceding 68972010 . In scientific notation, it is written as 6.8972009 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 61797120 positive integers (up to 68972009) that are relatively prime to 68972009.
68972009 has 16 divisors, whose sum is 76567680
The reverse of 68972009 is 90027986
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-eight million nine hundred seventy-two thousand nine
Scientific notation
6.8972009 × 10^7
Engineering notation
6.8972009 × 10^6
Prime Factorization
17 × 23 × 419 × 421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68972009
Product of the distinct prime numbers
The prime factorization of 68972009 is 17 × 23 × 419 × 421.
Since it has a total of 4 prime factors.
8 , 10 , 3 , 82 , 817 , 372 , 4135 , 7178 , 52755 , 30543 , 843219 , 563694 , 6414638 , 4897214 , 58096908 , 24394294 , 898177589 , 66507681 , 6137865740 , 5641452264
n×2
137944018
n×3
206916027
n×4
275888036
n×5
344860045
n÷2
34486004.5
n÷3
22990669.666667
n÷3
17243002.25
n÷5
13794401.8
n2
4757138025496081
n3
3.2810936670876E+23
n4
2.2630362193621E+31
n5
1.5608615448917E+39
2 √n
8304.9388318036
3 √n
410.10112318285
4 √n
91.131437121356
5 √n
36.960222349977
1 , 17 , 23 , 391 , 419 , 421 , 7123 , 7157 , 9637 , 9683 , 163829 , 164611 , 176399 , 2998783 , 4057177 , 68972009
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68972008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68972009 can be divided by 16 positive divisors.
The sum of these divisors (counting 68972009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000111000110110111101001
3
Ternary
11210210010210212
4
Quaternary
10013012313221
5
Quinary
120124101014
6
Senary
10502150505
8
Octal
407066751
10
Decimal
68972009
12
Duodecimal
1b122435
16
Hexadecimal
41c6de9
20
Vigesimal
11b1a09
36
Base36
152b55
md5
ebcc4f02c3977f89d504094f6dd20eab
sha1
f9f0474638d937fa04f3ff7984586a86c37289db
sha256
9232c0b3e01396b6113f12361d1801f4c40834434cb6ac25e936ef15cdc381d4
sha512
13a06ff225e4f1661682b8290daa210b9cba79a5e69a4cb2bee78adfb598f1e86a853dc919ed83615a0cae7a9d659914f32066f73afef82c3111842b52d59a33
ripemd-160
62845592701a127144a09a3efb129fca0caaaa8d
Diameter
137944018
Circumference
433363913.55546
Area
1.4944989873011E+16
Volume
1.3743813013683E+24
Surface area
5.9779959492045E+16
Circumference
433363913.55546
Perimeter
275888036
Area
4757138025496081
Diagonal
97541150.551919
Surface area
28542828152976486
Volume
3.2810936670876E+23
Space diagonal
119463023.8881
Perimeter
206916027
Area
2.0599011896943E+15
Altitude
59731511.944049
Surface area
2.0599011896943E+15
Volume
3.8668059695098E+22
Height
32513716.85064