68804987 is an odd 8-digits prime number following 68804986
and preceding 68804988 . In scientific notation, it is written as 6.8804987 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 68804986 positive integers (up to 68804987) that are relatively prime to 68804987.
68804987 has 2 divisors, whose sum is 68804988
The reverse of 68804987 is 78940886
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-eight million eight hundred four thousand nine hundred eighty-seven
Scientific notation
6.8804987 × 10^7
Engineering notation
6.8804987 × 10^6
Prime Factorization
68804987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68804987
Product of the distinct prime numbers
The prime factorization of 68804987 is 68804987.
Since it has a total of 1 prime factors.
5 , 8 , 69 , 38 , 254 , 720 , 4202 , 9905 , 87489 , 14861 , 636633 , 8146 , 1492697 , 1845753 , 88186825 , 84198324 , 733475450 , 329259336 , 5175004801 , 3727869510
n×2
137609974
n×3
206414961
n×4
275219948
n×5
344024935
n÷2
34402493.5
n÷3
22934995.666667
n÷3
17201246.75
n÷5
13760997.4
n2
4734126236070169
n3
3.2573149412917E+23
n4
2.2411951219048E+31
n5
1.5420540122712E+39
2 √n
8294.8771540029
3 √n
409.76982321065
4 √n
91.076216181849
5 √n
36.942304476894
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68804988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34402494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8294.8772142811
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999709323
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68804987 can be divided by 2 positive divisors.
The sum of these divisors (counting 68804987) is 68804988, the average is 34402494.
Base
System
Value
2
Binary
100000110011110000101111011
3
Ternary
11210110122200212
4
Quaternary
10012132011323
5
Quinary
120103224422
6
Senary
10454421335
8
Octal
406360573
10
Decimal
68804987
12
Duodecimal
1b06184b
16
Hexadecimal
419e17b
20
Vigesimal
11a0c97
36
Base36
14yq9n
md5
4257f1dad7a3a59fb800e557de5544e5
sha1
ea00702c3ab7d75d885309170b895a90807e0d47
sha256
ff48036b8ed567aa771afab3562e47b81e5e7d83d80bd806b73c9a93b2e88129
sha512
f05cee2385b7ec736f24506d3e09b588e80cd9e987eda36fcf150ea85ecff915e8ec6c090ceaf14db8e56d0a566dd81104f718b48698cb141d120f898f95f099
ripemd-160
ace752e133b8e706b74a158976dc60d62e1582a5
Diameter
137609974
Circumference
432314483.37908
Area
1.4872696204405E+16
Volume
1.3644208919987E+24
Surface area
5.9490784817619E+16
Circumference
432314483.37908
Perimeter
275219948
Area
4734126236070169
Diagonal
97304945.774304
Surface area
28404757416421014
Volume
3.2573149412917E+23
Space diagonal
119173733.29812
Perimeter
206414961
Area
2.0499367925796E+15
Altitude
59586866.649058
Surface area
2.0499367925796E+15
Volume
3.8387824724127E+22
Height
32434981.924768