68996989 is an odd 8-digits prime number following 68996988
and preceding 68996990 . In scientific notation, it is written as 6.8996989 × 10^7.
The sum of its digits is 64. It has a total of 1 prime factors and 2 positive divisors.
There are 68996988 positive integers (up to 68996989) that are relatively prime to 68996989.
68996989 has 2 divisors, whose sum is 68996990
The reverse of 68996989 is 98969986
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 64 Digital Root 1
Name
sixty-eight million nine hundred ninety-six thousand nine hundred eighty-nine
Scientific notation
6.8996989 × 10^7
Engineering notation
6.8996989 × 10^6
Prime Factorization
68996989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
68996989 Product of the distinct prime numbers
The prime factorization of 68996989 is 68996989.
Since it has a total of 1 prime factors.
6 , 4 , 64 , 65 , 73 , 670 , 2398 , 7354 , 70837 , 91310 , 593964 , 228643 , 7829574 , 5736208 , 18232731 , 33922441 , 218825519 , 274488412 , 4541999050 , 7203870244
n×2
137993978
n×3
206990967
n×4
275987956
n×5
344984945
n÷2
34498494.5
n÷3
22998996.333333
n÷3
17249247.25
n÷5
13799397.8
n2
4760584491066121
n3
3.2846599576366E+23
n4
2.2663164696579E+31
n5
1.5636901252751E+39
2 √n8306.442620039
3 √n410.15062678924
4 √n91.139687403672
5 √n36.962899182631
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
68996990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
34498495 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8306.4426802332 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999710132 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68996989 can be divided by 2 positive divisors.
The sum of these divisors (counting 68996989) is 68996990, the average is 34498495.
Base
System
Value
2
Binary
100000111001100111101111101
3
Ternary
11210211102002001
4
Quaternary
10013030331331
5
Quinary
120130400424
6
Senary
10502502301
8
Octal
407147575
10
Decimal
68996989
12
Duodecimal
1b134991
16
Hexadecimal
41ccf7d
20
Vigesimal
11b4c99
36
Base36
152uf1
md5
521ed952ebf5ab0edba427b2f963de9c
sha1
d68d028aa4847b8621a146f9b7fd2ca5016c7100
sha256
b35862788abfee569ed948f0ae680704ad6fe3b91ec7d3dc8776e10bd3ca4e0a
sha512
70d7b1ad9856ecc3f5066d2d2f0f6f2735e5605841451077eb0093cc09b16e87244db9aca8307f81ce21f5f4b71dba4894b68fbe9ba611534146e423598326d9
ripemd-160
fdd1b02571c29a81a4b822d755d05484202e0e9a
Diameter
137993978
Circumference
433520867.52443
Area
1.4955817263927E+16
Volume
1.3758751456602E+24
Surface area
5.9823269055707E+16
Circumference
433520867.52443
Perimeter
275987956
Area
4760584491066121
Diagonal
97576477.606707
Surface area
28563506946396726
Volume
3.2846599576366E+23
Space diagonal
119506290.51727
Perimeter
206990967
Area
2.0613935530627E+15
Altitude
59753145.258635
Surface area
2.0613935530627E+15
Volume
3.8710088832279E+22
Height
32525492.535569