68989899 is an odd 8-digits composite number following 68989898
and preceding 68989900 . In scientific notation, it is written as 6.8989899 × 10^7.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 41812040 positive integers (up to 68989899) that are relatively prime to 68989899.
68989899 has 8 divisors, whose sum is 100348992
The reverse of 68989899 is 99898986
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 66
Digital Root 3
Name
sixty-eight million nine hundred eighty-nine thousand eight hundred ninety-nine
Scientific notation
6.8989899 × 10^7
Engineering notation
6.8989899 × 10^6
Prime Factorization
3 × 11 × 2090603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68989899
Product of the distinct prime numbers
The prime factorization of 68989899 is 3 × 11 × 2090603.
Since it has a total of 3 prime factors.
8 , 7 , 25 , 81 , 399 , 384 , 7992 , 3329 , 89941 , 36384 , 989928 , 496275 , 3239399 , 754128 , 68800771 , 27716753 , 971006914 , 213439619 , 8192136665 , 3958555654
n×2
137979798
n×3
206969697
n×4
275959596
n×5
344949495
n÷2
34494949.5
n÷3
22996633
n÷3
17247474.75
n÷5
13797979.8
n2
4759606164030201
n3
3.2836474853622E+23
n4
2.2653850836674E+31
n5
1.5628868811832E+39
2 √n
8306.0158319136
3 √n
410.13657754063
4 √n
91.137345978
5 √n
36.962139503893
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68989898
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68989899 can be divided by 8 positive divisors.
The sum of these divisors (counting 68989899) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000111001011001111001011
3
Ternary
11210211001100110
4
Quaternary
10013023033023
5
Quinary
120130134044
6
Senary
10502405403
8
Octal
407131713
10
Decimal
68989899
12
Duodecimal
1b130863
16
Hexadecimal
41cb3cb
20
Vigesimal
11b3eej
36
Base36
152oy3
md5
a93888d5c7d912555742ee14782115e0
sha1
63905b3d644b7ca9b7c5d30be2ab4dd1981dbadf
sha256
cd52837c64a80fbdc3de3de25696db3a3214af9e8f460899338354f2f091190b
sha512
b326c4922a51851f0542cf09f39d32d309ea2dc85709b16ebfa79aa8b9a48cba23d7bd73a792d8b53eecf28f6625cd88232ef89e841399aa7ad7b24b97df4656
ripemd-160
54e9125c9ee49e1a805dec91a01d1096cb51bbc9
Diameter
137979798
Circumference
433476319.7406
Area
1.4952743758898E+16
Volume
1.3754510422657E+24
Surface area
5.9810975035592E+16
Circumference
433476319.7406
Perimeter
275959596
Area
4759606164030201
Diagonal
97566450.83255
Surface area
28557636984181206
Volume
3.2836474853622E+23
Space diagonal
119494010.27705
Perimeter
206969697
Area
2.0609699250296E+15
Altitude
59747005.138523
Surface area
2.0609699250296E+15
Volume
3.8698156732096E+22
Height
32522150.277517