19971208 is an even 8-digits composite number following 19971207
and preceding 19971209 . In scientific notation, it is written as 1.9971208 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors.
There are 9985600 positive integers (up to 19971208) that are relatively prime to 19971208.
19971208 has 8 divisors, whose sum is 37446030
The reverse of 19971208 is 80217991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine hundred seventy-one thousand two hundred eight
Scientific notation
1.9971208 × 10^7
Engineering notation
1.9971208 × 10^6
Prime Factorization
2 × 2 × 2 × 2496401
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4992802
Product of the distinct prime numbers
The prime factorization of 19971208 is 2 × 2 × 2 × 2496401.
Since it has a total of 4 prime factors.
6 , 2 , 65 , 94 , 243 , 349 , 6071 , 7597 , 8850 , 39898 , 377504 , 445444 , 3117962 , 7912985 , 20038456 , 36008950 , 94350179 , 123684493 , 6869856750 , 2041634092
n×2
39942416
n×3
59913624
n×4
79884832
n×5
99856040
n÷2
9985604
n÷3
6657069.3333333
n÷3
4992802
n÷5
3994241.6
n2
398849148979264
n3
7.9654993148879E+21
n4
1.5908064364148E+29
n5
3.1770326229379E+36
2 √n
4468.9157521708
3 √n
271.31144325065
4 √n
66.849949530054
5 √n
28.845685686997
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
-19971207
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 19971208 can be divided by 8 positive divisors.
The sum of these divisors (counting 19971208) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001011110010001000
3
Ternary
1101120122100101
4
Quaternary
1030023302020
5
Quinary
20103034313
6
Senary
1552015144
8
Octal
114136210
10
Decimal
19971208
12
Duodecimal
68314b4
16
Hexadecimal
130bc88
20
Vigesimal
64g808
36
Base36
bw1vs
md5
c11a3aeda4c850d516016f9d4980dac8
sha1
808cb3d38f3a8dec3f357d7a8a18ff5c03b0e768
sha256
0332f1dba5cc484ec60aa0a46aa8d3bdb5c8cca7d1faecbcf5f48b4c2d64c399
sha512
95074f7d9a6c3df64765e66593d4f6d007e4f73c0007bdc5dcc533af0e8c6e1277b8985d4622b7ba5ead3ad83bc6a109cf4a5a3b771dda493c8c689ce8a890cc
ripemd-160
38c72055d0e84617b9f29ce0220562b048a783ba
Diameter
39942416
Circumference
125482800.67223
Area
1.2530215563238E+15
Volume
3.3365805506435E+22
Surface area
5.0120862252952E+15
Circumference
125482800.67223
Perimeter
79884832
Area
398849148979264
Diagonal
28243553.210574
Surface area
2393094893875584
Volume
7.9654993148879E+21
Space diagonal
34591146.944526
Perimeter
59913624
Area
1.7270674764692E+14
Altitude
17295573.472263
Surface area
1.7270674764692E+14
Volume
9.38743096849E+20
Height
9414517.736858