79897989 is an odd 8-digits composite number following 79897988
and preceding 79897990 . In scientific notation, it is written as 7.9897989 × 10^7.
The sum of its digits is 66. It has a total of 4 prime factors and 16 positive divisors.
There are 52132608 positive integers (up to 79897989) that are relatively prime to 79897989.
79897989 has 16 divisors, whose sum is 108819072
The reverse of 79897989 is 98979897
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 66
Digital Root 3
Name
seventy-nine million eight hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
7.9897989 × 10^7
Engineering notation
7.9897989 × 10^6
Prime Factorization
3 × 137 × 73 × 2663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
79897989
Product of the distinct prime numbers
The prime factorization of 79897989 is 3 × 137 × 73 × 2663.
Since it has a total of 4 prime factors.
9 , 3 , 82 , 34 , 835 , 819 , 2960 , 6599 , 61235 , 67018 , 102490 , 957912 , 8942714 , 606314 , 6316986 , 74907087 , 367929183 , 240239431 , 4031788381 , 8137295756
n×2
159795978
n×3
239693967
n×4
319591956
n×5
399489945
n÷2
39948994.5
n÷3
26632663
n÷3
19974497.25
n÷5
15979597.8
n2
6383688646244121
n3
5.1004388523704E+23
n4
4.0751480732186E+31
n5
3.2559613592739E+39
2 √n
8938.5675026818
3 √n
430.7037134078
4 √n
94.543997708378
5 √n
38.063364135956
1 , 3 , 73 , 137 , 219 , 411 , 2663 , 7989 , 10001 , 30003 , 194399 , 364831 , 583197 , 1094493 , 26632663 , 79897989
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
-79897988
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 79897989 can be divided by 16 positive divisors.
The sum of these divisors (counting 79897989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000110010010110000101
3
Ternary
12120100020102210
4
Quaternary
10300302112011
5
Quinary
130423213424
6
Senary
11532254033
8
Octal
460622605
10
Decimal
79897989
12
Duodecimal
22911319
16
Hexadecimal
4c32585
20
Vigesimal
14j74j9
36
Base36
1bkhol
md5
a31333e0788e122cfd9c12a5dbdc6dfe
sha1
99f640d4048e12e1c59ad7f64c37195e1b01bf57
sha256
37c27828a9b61b01dcf7f393035e7ad5c647dded41ae7ad76ca6973ccef3b1d3
sha512
4c2a8fa6c70583e3dd9b566bfacf48636816f4b9a771caacf0ffa582f7894418507440885d947b4c4005964ccc5200ef88739e47be04fe786bd597146b2db8f1
ripemd-160
41008224d4b4cd6a24d13b093826f33176a93098
Diameter
159795978
Circumference
502013870.558
Area
2.0054949353845E+16
Volume
2.1364668304921E+24
Surface area
8.021979741538E+16
Circumference
502013870.558
Perimeter
319591956
Area
6383688646244121
Diagonal
112992819.65014
Surface area
38302131877464726
Volume
5.1004388523704E+23
Space diagonal
138387376.37058
Perimeter
239693967
Area
2.7642182687489E+15
Altitude
69193688.18529
Surface area
2.7642182687489E+15
Volume
6.010924832564E+22
Height
37664273.216712