20597921 is an odd 8-digits composite number following 20597920
and preceding 20597922 . In scientific notation, it is written as 2.0597921 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20549700 positive integers (up to 20597921) that are relatively prime to 20597921.
20597921 has 4 divisors, whose sum is 20646144
The reverse of 20597921 is 12979502
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million five hundred ninety-seven thousand nine hundred twenty-one
Scientific notation
2.0597921 × 10^7
Engineering notation
2.0597921 × 10^6
Prime Factorization
431 × 47791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20597921
Product of the distinct prime numbers
The prime factorization of 20597921 is 431 × 47791.
Since it has a total of 2 prime factors.
5 , 3 , 82 , 42 , 964 , 280 , 7010 , 7861 , 90375 , 2343 , 831308 , 668500 , 2494130 , 8687937 , 4373117 , 98341656 , 811297587 , 978986363 , 9039240585 , 501141526
n×2
41195842
n×3
61793763
n×4
82391684
n×5
102989605
n÷2
10298960.5
n÷3
6865973.6666667
n÷3
5149480.25
n÷5
4119584.2
n2
424274349522241
n3
8.7391695337855E+21
n4
1.8000872366252E+29
n5
3.7078054693114E+36
2 √n
4538.4932521708
3 √n
274.12025641049
4 √n
67.368340132222
5 √n
29.024495366547
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
-20597920
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 20597921 can be divided by 4 positive divisors.
The sum of these divisors (counting 20597921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110100100110010100001
3
Ternary
1102202111000222
4
Quaternary
1032210302201
5
Quinary
20233113141
6
Senary
2013252425
8
Octal
116446241
10
Decimal
20597921
12
Duodecimal
6a94115
16
Hexadecimal
13a4ca1
20
Vigesimal
68eeg1
36
Base36
c9hgh
md5
a6a916d4e9d7cd4cf2da743a23fc0dbd
sha1
786faf4ec84918ad5ea04babb75443c24ca80899
sha256
7068546b965291522010a5b5b8b477d8cfac0fc1e7949ef23ad4d0d918545c1d
sha512
96522a654c16cbb41dfb5ec92e23dabe6497ab000be487ee64a7748b0a9d8760c88aeb8485b07bda3958a5c022d74638cfb5096cdc949d29a50f6553f43128e8
ripemd-160
e39ce7463a51b38c81f654803afd6fe0896db9ae
Diameter
41195842
Circumference
129420554.58565
Area
1.3328971795657E+15
Volume
3.6606547741088E+22
Surface area
5.3315887182626E+15
Circumference
129420554.58565
Perimeter
82391684
Area
424274349522241
Diagonal
29129859.23489
Surface area
2545646097133446
Volume
8.7391695337855E+21
Space diagonal
35676645.70229
Perimeter
61793763
Area
1.8371618243019E+14
Altitude
17838322.851145
Surface area
1.8371618243019E+14
Volume
1.0299210065464E+21
Height
9709953.0782965