18979897 is an odd 8-digits composite number following 18979896
and preceding 18979898 . In scientific notation, it is written as 1.8979897 × 10^7.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 18966096 positive integers (up to 18979897) that are relatively prime to 18979897.
18979897 has 4 divisors, whose sum is 18993700
The reverse of 18979897 is 79897981
Previous prime number is 1549
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4
Name
eighteen million nine hundred seventy-nine thousand eight hundred ninety-seven
Scientific notation
1.8979897 × 10^7
Engineering notation
1.8979897 × 10^6
Prime Factorization
1549 × 12253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18979897
Product of the distinct prime numbers
The prime factorization of 18979897 is 1549 × 12253.
Since it has a total of 2 prime factors.
5 , 6 , 56 , 56 , 592 , 220 , 988 , 4045 , 65079 , 17267 , 44153 , 132190 , 236809 , 1287071 , 67676463 , 57337012 , 783154705 , 884931070 , 4113746872 , 1030715230
n×2
37959794
n×3
56939691
n×4
75919588
n×5
94899485
n÷2
9489948.5
n÷3
6326632.3333333
n÷3
4744974.25
n÷5
3795979.4
n2
360236490130609
n3
6.8372514783205E+21
n4
1.2977032882162E+29
n5
2.4630274746905E+36
2 √n
4356.5923610088
3 √n
266.74602134856
4 √n
66.004487430846
5 √n
28.553461862288
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18979896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18979897 can be divided by 4 positive divisors.
The sum of these divisors (counting 18979897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011001110000111001
3
Ternary
1022201021112011
4
Quaternary
1020121300321
5
Quinary
14324324042
6
Senary
1514445521
8
Octal
110316071
10
Decimal
18979897
12
Duodecimal
64338a1
16
Hexadecimal
1219c39
20
Vigesimal
5ic9eh
36
Base36
baszd
md5
49a0919ab002266d46709d1eb3db071e
sha1
67bb03a228c3ef9d38eb92982f01ed0f26d23e6d
sha256
aceb45c174adab9b2f882b4fba2af8f976eaafd4d15e656fa1191724c74e590a
sha512
f6bc6b4290089b16a1e41b03aacca7bb90ff41a92ef3cfa45dac16fbb28214178c02974579d652ea873ae5a7cae87eded5c29452ad242154bd2f247c095e3a18
ripemd-160
afde4f9400fc77d00fa9e0c3a8d9108b17ac1a93
Diameter
37959794
Circumference
119254209.96218
Area
1.1317163109493E+15
Volume
2.863981202005E+22
Surface area
4.5268652437972E+15
Circumference
119254209.96218
Perimeter
75919588
Area
360236490130609
Diagonal
26841627.749844
Surface area
2161418940783654
Volume
6.8372514783205E+21
Space diagonal
32874145.926424
Perimeter
56939691
Area
1.5598697591162E+14
Altitude
16437072.963212
Surface area
1.5598697591162E+14
Volume
8.0577781416636E+20
Height
8947209.2499481