99689989 is an odd 8-digits composite number following 99689988
and preceding 99689990 . In scientific notation, it is written as 9.9689989 × 10^7.
The sum of its digits is 67. It has a total of 3 prime factors and 8 positive divisors.
There are 80422080 positive integers (up to 99689989) that are relatively prime to 99689989.
99689989 has 8 divisors, whose sum is 120633408
The reverse of 99689989 is 98998699
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 67
Digital Root 4
Name
ninety-nine million six hundred eighty-nine thousand nine hundred eighty-nine
Scientific notation
9.9689989 × 10^7
Engineering notation
9.9689989 × 10^6
Prime Factorization
7 × 17 × 837731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99689989
Product of the distinct prime numbers
The prime factorization of 99689989 is 7 × 17 × 837731.
Since it has a total of 3 prime factors.
10 , 2 , 7 , 79 , 489 , 9 , 1405 , 883 , 87395 , 58487 , 852538 , 983962 , 7702236 , 2334577 , 69441356 , 89124506 , 882235577 , 175468049 , 1428711030 , 5100944503
n×2
199379978
n×3
299069967
n×4
398759956
n×5
498449945
n÷2
49844994.5
n÷3
33229996.333333
n÷3
24922497.25
n÷5
19937997.8
n2
9938093906820121
n3
9.9072847225186E+23
n4
9.8765710500775E+31
n5
9.8459525933995E+39
2 √n
9984.48741799
3 √n
463.67873898684
4 √n
99.922406986571
5 √n
39.78600286923
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
-99689988
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 99689989 can be divided by 8 positive divisors.
The sum of these divisors (counting 99689989) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111100010010011000000101
3
Ternary
20221120202221211
4
Quaternary
11330102120011
5
Quinary
201010034424
6
Senary
13520411421
8
Octal
574223005
10
Decimal
99689989
12
Duodecimal
29476b71
16
Hexadecimal
5f12605
20
Vigesimal
1b314j9
36
Base36
1ncpad
md5
438726db6e9823fb85cf9ed3c6160c9c
sha1
5b22557551993ce7bc18b1ee36f98079345b86ea
sha256
712bdfc75cf4279d9a54c69f42b2e7388811ac8aeecb3609883539a65506e254
sha512
4bd76a934085bf4ece19412d36633535d24c1a54e91b4634cf444356dcf9edf438a4c4b9b1373c762e7874f436c08a34d88d1855acedcd02e6c571b85b633bad
ripemd-160
cc950fd121cb8f4c651b5c15de74bec9bd60bafb
Diameter
199379978
Circumference
626370674.15769
Area
3.1221442808352E+16
Volume
4.1499537201716E+24
Surface area
1.2488577123341E+17
Circumference
626370674.15769
Perimeter
398759956
Area
9938093906820121
Diagonal
140982934.47662
Surface area
59628563440920726
Volume
9.9072847225186E+23
Space diagonal
172668125.95398
Perimeter
299069967
Area
4.3033208942508E+15
Altitude
86334062.976991
Surface area
4.3033208942508E+15
Volume
1.1675847017398E+23
Height
46994311.492208