20197561 is an odd 8-digits prime number following 20197560
and preceding 20197562 . In scientific notation, it is written as 2.0197561 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20197560 positive integers (up to 20197561) that are relatively prime to 20197561.
20197561 has 2 divisors, whose sum is 20197562
The reverse of 20197561 is 16579102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred ninety-seven thousand five hundred sixty-one
Scientific notation
2.0197561 × 10^7
Engineering notation
2.0197561 × 10^6
Prime Factorization
20197561
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20197561
Product of the distinct prime numbers
The prime factorization of 20197561 is 20197561.
Since it has a total of 1 prime factors.
7 , 6 , 71 , 24 , 769 , 552 , 8196 , 9433 , 27335 , 81165 , 940134 , 355706 , 671254 , 2269730 , 33158994 , 721552 , 214813595 , 653497280 , 806519535 , 8639703276
n×2
40395122
n×3
60592683
n×4
80790244
n×5
100987805
n÷2
10098780.5
n÷3
6732520.3333333
n÷3
5049390.25
n÷5
4039512.2
n2
407941470348721
n3
8.239422731798E+21
n4
1.6641624323028E+29
n5
3.3612022240343E+36
2 √n
4494.1696674692
3 √n
272.3326065612
4 √n
67.038568507011
5 √n
28.91077845482
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20197562
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10098781
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4494.1697787244
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009781
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20197561 can be divided by 2 positive divisors.
The sum of these divisors (counting 20197561) is 20197562, the average is 10098781.
Base
System
Value
2
Binary
1001101000011000010111001
3
Ternary
1102000010211211
4
Quaternary
1031003002321
5
Quinary
20132310221
6
Senary
2000523121
8
Octal
115030271
10
Decimal
20197561
12
Duodecimal
69204a1
16
Hexadecimal
13430b9
20
Vigesimal
664di1
36
Base36
c0wjd
md5
031c7e2a4a0854831eddf17a38938650
sha1
acc7384561c1f9a8554430b3ee7317b250714e24
sha256
8c9a817394153557edf5dbffec3b620c7d91e898dbb4948a7a4aed74bd7cd1c1
sha512
922d95e90128925ab6ede138d44befbbcee01a6ed56e9ef8ee52fd928af4a88b8725cd24e1dcf384a0d81a2830f6846cdcca1b160d17834c1977f3424d6b6fc8
ripemd-160
e4ed839c2580a2d74a2fe99ebeeec2a8bf8ed6fa
Diameter
40395122
Circumference
126905018.51606
Area
1.2815859263422E+15
Volume
3.451321323205E+22
Surface area
5.1263437053686E+15
Circumference
126905018.51606
Perimeter
80790244
Area
407941470348721
Diagonal
28563664.693058
Surface area
2447648822092326
Volume
8.239422731798E+21
Space diagonal
34983201.840972
Perimeter
60592683
Area
1.7664383828958E+14
Altitude
17491600.920486
Surface area
1.7664383828958E+14
Volume
9.7102528111949E+20
Height
9521221.5643526