20197631 is an odd 8-digits composite number following 20197630
and preceding 20197632 . In scientific notation, it is written as 2.0197631 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 19989312 positive integers (up to 20197631) that are relatively prime to 20197631.
20197631 has 4 divisors, whose sum is 20405952
The reverse of 20197631 is 13679102
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred ninety-seven thousand six hundred thirty-one
Scientific notation
2.0197631 × 10^7
Engineering notation
2.0197631 × 10^6
Prime Factorization
97 × 208223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20197631
Product of the distinct prime numbers
The prime factorization of 20197631 is 97 × 208223.
Since it has a total of 2 prime factors.
10 , 9 , 28 , 34 , 106 , 930 , 38 , 5666 , 64353 , 60967 , 576930 , 107406 , 3008250 , 8200849 , 90185467 , 65364132 , 773745620 , 574703984 , 1931311951 , 308019380
n×2
40395262
n×3
60592893
n×4
80790524
n×5
100988155
n÷2
10098815.5
n÷3
6732543.6666667
n÷3
5049407.75
n÷5
4039526.2
n2
407944298012161
n3
8.2395083998037E+21
n4
1.6641855028063E+29
n5
3.3612604701232E+36
2 √n
4494.1774553304
3 √n
272.33292117444
4 √n
67.038626591916
5 √n
28.910798494385
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
-20197630
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 20197631 can be divided by 4 positive divisors.
The sum of these divisors (counting 20197631) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011000011111111
3
Ternary
1102000010221102
4
Quaternary
1031003003333
5
Quinary
20132311011
6
Senary
2000523315
8
Octal
115030377
10
Decimal
20197631
12
Duodecimal
692053b
16
Hexadecimal
13430ff
20
Vigesimal
664e1b
36
Base36
c0wlb
md5
2af2d3b751fab9000c6cfcba1f4eeea5
sha1
c8ea410a6a215987a2649f4c704bda383507ceb4
sha256
c57b1fcf23314f6784d664a029222364a3c1be84841220bd2bb7be2b81da4fab
sha512
9a3485e62de2c8a0848dff06e95fe490e2045860ab930509c66cb0d3e8c0d287f75dc71d36ba7d1a291f178adc57af507b52469911d0957b3d7ba57982b3b3da
ripemd-160
d4eed9bf65bfaebaf6dfcddb810a3104f4859c3c
Diameter
40395262
Circumference
126905458.33903
Area
1.2815948097089E+15
Volume
3.4513572077353E+22
Surface area
5.1263792388354E+15
Circumference
126905458.33903
Perimeter
80790524
Area
407944298012161
Diagonal
28563763.688007
Surface area
2447665788072966
Volume
8.2395083998037E+21
Space diagonal
34983323.084528
Perimeter
60592893
Area
1.7664506270377E+14
Altitude
17491661.542264
Surface area
1.7664506270377E+14
Volume
9.7103537719078E+20
Height
9521254.5626691