20021049 is an odd 8-digits composite number following 20021048
and preceding 20021050 . In scientific notation, it is written as 2.0021049 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 12710880 positive integers (up to 20021049) that are relatively prime to 20021049.
20021049 has 16 divisors, whose sum is 23328000
The reverse of 20021049 is 94012002
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million twenty-one thousand forty-nine
Scientific notation
2.0021049 × 10^7
Engineering notation
2.0021049 × 10^6
Prime Factorization
9 × 29 × 79 × 971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20021049
Product of the distinct prime numbers
The prime factorization of 20021049 is 9 × 29 × 79 × 971.
Since it has a total of 4 prime factors.
3 , 2 , 17 , 17 , 935 , 864 , 7880 , 2148 , 3433 , 38241 , 918598 , 728967 , 675189 , 3783302 , 18511234 , 78993866 , 582727225 , 145392984 , 9862572670 , 8882320086
n×2
40042098
n×3
60063147
n×4
80084196
n×5
100105245
n÷2
10010524.5
n÷3
6673683
n÷3
5005262.25
n÷5
4004209.8
n2
400842403060401
n3
8.02528539295E+21
n4
1.6067463209124E+29
n5
3.2168746821556E+36
2 √n
4474.4886858724
3 √n
271.53695456606
4 √n
66.8916189509
5 √n
28.860069041009
1 , 9 , 29 , 79 , 261 , 711 , 971 , 2291 , 8739 , 20619 , 28159 , 76709 , 253431 , 690381 , 2224561 , 20021049
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20021048
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20021049 can be divided by 16 positive divisors.
The sum of these divisors (counting 20021049) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010111111100111001
3
Ternary
1101200011201100
4
Quaternary
1030113330321
5
Quinary
20111133144
6
Senary
1553042013
8
Octal
114277471
10
Decimal
20021049
12
Duodecimal
6856309
16
Hexadecimal
1317f39
20
Vigesimal
652cc9
36
Base36
bx4c9
md5
a0684502749c0d0eb094f96f65f5770f
sha1
fab45be5ef1244f34e764d137e817a93a6f66373
sha256
20d74fc8a7e11e79db2807282e97f1798a6a2dc8ecf48b3fed32878726e15a8b
sha512
7fe7f13441e174cc0d777e81ab6f3dc3aa8d6de34b333fd795d75af478b3a0059068ed9412faf8a8d141435aa3e50175e4a7e68e938215cbfd59771891846d46
ripemd-160
b2e7c8a53433b2eb73c5b5088dbecc4869e2bc4b
Diameter
40042098
Circumference
125795960.91112
Area
1.2592835487018E+15
Volume
3.3616236844604E+22
Surface area
5.0371341948073E+15
Circumference
125795960.91112
Perimeter
80084196
Area
400842403060401
Diagonal
28314039.028736
Surface area
2405054418362406
Volume
8.02528539295E+21
Space diagonal
34677474.088826
Perimeter
60063147
Area
1.7356985198215E+14
Altitude
17338737.044413
Surface area
1.7356985198215E+14
Volume
9.4578895371872E+20
Height
9438013.0095788