20197961 is an odd 8-digits composite number following 20197960
and preceding 20197962 . In scientific notation, it is written as 2.0197961 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 17312532 positive integers (up to 20197961) that are relatively prime to 20197961.
20197961 has 4 divisors, whose sum is 23083392
The reverse of 20197961 is 16979102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred ninety-seven thousand nine hundred sixty-one
Scientific notation
2.0197961 × 10^7
Engineering notation
2.0197961 × 10^6
Prime Factorization
7 × 2885423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20197961
Product of the distinct prime numbers
The prime factorization of 20197961 is 7 × 2885423.
Since it has a total of 2 prime factors.
7 , 7 , 31 , 90 , 134 , 936 , 1649 , 7011 , 92429 , 44521 , 524040 , 412958 , 4857902 , 7852101 , 55400529 , 20025926 , 271514124 , 631012273 , 2077337739 , 5744256658
n×2
40395922
n×3
60593883
n×4
80791844
n×5
100989805
n÷2
10098980.5
n÷3
6732653.6666667
n÷3
5049490.25
n÷5
4039592.2
n2
407957628557521
n3
8.2399122712573E+21
n4
1.6642942669828E+29
n5
3.3615350697041E+36
2 √n
4494.2141693515
3 √n
272.33440434136
4 √n
67.038900418723
5 √n
28.910892965872
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
-20197960
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 20197961 can be divided by 4 positive divisors.
The sum of these divisors (counting 20197961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011001001001001
3
Ternary
1102000011101122
4
Quaternary
1031003021021
5
Quinary
20132313321
6
Senary
2000525025
8
Octal
115031111
10
Decimal
20197961
12
Duodecimal
6920775
16
Hexadecimal
1343249
20
Vigesimal
664ei1
36
Base36
c0wuh
md5
d42d50497199777ac18c98d208c09ab1
sha1
f204ded0e11b694e590b643944513600154a47be
sha256
13d70fee8b4c1b91a50067ee7d76cace6012acf6dba0e163888cd20ba9ece214
sha512
7ecfc6db3f9f9c53b10efbf148a204c567afb30b9c1fbe0c0246d6d7fa71000b0e4a05d3efc390a940bb81a24da6a8d0f5fde3653f995df9e2db721800966752
ripemd-160
c393cb1a6c1b8b6203f2575775f94db6a9069547
Diameter
40395922
Circumference
126907531.79019
Area
1.2816366888522E+15
Volume
3.4515263810142E+22
Surface area
5.1265467554089E+15
Circumference
126907531.79019
Perimeter
80791844
Area
407957628557521
Diagonal
28564230.378483
Surface area
2447745771345126
Volume
8.2399122712573E+21
Space diagonal
34983894.661295
Perimeter
60593883
Area
1.7665083499923E+14
Altitude
17491947.330647
Surface area
1.7665083499923E+14
Volume
9.7108297389805E+20
Height
9521410.1261609