20993931 is an odd 8-digits composite number following 20993930
and preceding 20993932 . In scientific notation, it is written as 2.0993931 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 11878272 positive integers (up to 20993931) that are relatively prime to 20993931.
20993931 has 32 divisors, whose sum is 35896320
The reverse of 20993931 is 13939902
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million nine hundred ninety-three thousand nine hundred thirty-one
Scientific notation
2.0993931 × 10^7
Engineering notation
2.0993931 × 10^6
Prime Factorization
7 × 3 × 9 × 113 × 983
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20993931
Product of the distinct prime numbers
The prime factorization of 20993931 is 7 × 3 × 9 × 113 × 983.
Since it has a total of 5 prime factors.
2 , 8 , 79 , 76 , 256 , 599 , 380 , 8024 , 35235 , 56954 , 953903 , 940274 , 8960845 , 6779951 , 25123826 , 69701973 , 27773320 , 187396175 , 3034168159 , 6098381222
n×2
41987862
n×3
62981793
n×4
83975724
n×5
104969655
n÷2
10496965.5
n÷3
6997977
n÷3
5248482.75
n÷5
4198786.2
n2
440745138832761
n3
9.2529730332404E+21
n4
1.9425627740471E+29
n5
4.0782028841513E+36
2 √n
4581.9134649183
3 √n
275.86583744116
4 √n
67.68983280315
5 √n
29.135250276225
1 , 3 , 7 , 9 , 21 , 27 , 63 , 113 , 189 , 339 , 791 , 983 , 1017 , 2373 , 2949 , 3051 , 6881 , 7119 , 8847 , 20643 , 21357 , 26541 , 61929 , 111079 , 185787 , 333237 , 777553 , 999711 , 2332659 , 2999133 , 6997977 , 20993931
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20993930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20993931 can be divided by 32 positive divisors.
The sum of these divisors (counting 20993931) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000101011110001011
3
Ternary
1110111121021000
4
Quaternary
1100011132023
5
Quinary
20333301211
6
Senary
2025550043
8
Octal
120053613
10
Decimal
20993931
12
Duodecimal
7045323
16
Hexadecimal
140578b
20
Vigesimal
6b44gb
36
Base36
chz0r
md5
aac8d1bae8f6a4f15534053023c77152
sha1
0df926173736557f687dae3757ae9287049f6c43
sha256
bda286f24e745ea5a2ee77cab07736325c7f00cef31f62961c4fefdc598f7e7a
sha512
30d60851abb90c5b71aaddf6cc402fab886c552f121e05558032ef80072096dddec1371d21f9797adf603d3d4a5229f9866714853c9ce7b43f434e496ba4293e
ripemd-160
bd0ddddb3c5f2f763f077a34d62eac0b8b34d759
Diameter
41987862
Circumference
131908758.79914
Area
1.3846416902624E+15
Volume
3.875876280679E+22
Surface area
5.5385667610497E+15
Circumference
131908758.79914
Perimeter
83975724
Area
440745138832761
Diagonal
29689901.947725
Surface area
2644470832996566
Volume
9.2529730332404E+21
Space diagonal
36362555.142595
Perimeter
62981793
Area
1.9084824341184E+14
Altitude
18181277.571298
Surface area
1.9084824341184E+14
Volume
1.0904733296568E+21
Height
9896633.982575