20974729 is an odd 8-digits composite number following 20974728
and preceding 20974730 . In scientific notation, it is written as 2.0974729 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 20840976 positive integers (up to 20974729) that are relatively prime to 20974729.
20974729 has 4 divisors, whose sum is 21108484
The reverse of 20974729 is 92747902
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million nine hundred seventy-four thousand seven hundred twenty-nine
Scientific notation
2.0974729 × 10^7
Engineering notation
2.0974729 × 10^6
Prime Factorization
157 × 133597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20974729
Product of the distinct prime numbers
The prime factorization of 20974729 is 157 × 133597.
Since it has a total of 2 prime factors.
10 , 4 , 20 , 91 , 750 , 210 , 6972 , 2650 , 15205 , 227 , 996825 , 31789 , 1461113 , 7962106 , 6310349 , 81810807 , 233874280 , 142061846 , 1413515521 , 8016109543
n×2
41949458
n×3
62924187
n×4
83898916
n×5
104873645
n÷2
10487364.5
n÷3
6991576.3333333
n÷3
5243682.25
n÷5
4194945.8
n2
439939256623441
n3
9.2276066841381E+21
n4
1.9354654951839E+29
n5
4.0595864250332E+36
2 √n
4579.8175727861
3 √n
275.7817053231
4 √n
67.674349444868
5 √n
29.129918641389
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
-20974728
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 20974729 can be divided by 4 positive divisors.
The sum of these divisors (counting 20974729) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000000110010001001
3
Ternary
1110110121220211
4
Quaternary
1100000302021
5
Quinary
20332142404
6
Senary
2025321121
8
Octal
120006211
10
Decimal
20974729
12
Duodecimal
70361a1
16
Hexadecimal
1400c89
20
Vigesimal
6b1gg9
36
Base36
chk7d
md5
25609fa37fb83a9a4e0780760ccf9f8e
sha1
f604c3a799c07282286f33246e1495c02ad7acc1
sha256
c7dad207bc622592008dd05198c6774ed1201269fffa99045a0bf39d0465b1ee
sha512
75615177f618e86cfa993c611c3efb8849d4f73264809c1e7b84b3ce36938a35ac60a17b93194c92888d29cb1842ad96885c313b8a8f28c621fe100fd95c7df9
ripemd-160
1867a65af886efe9e459f9b5db798ab9b8c6f2d3
Diameter
41949458
Circumference
131788109.07487
Area
1.382109936634E+15
Volume
3.8652508492139E+22
Surface area
5.5284397465358E+15
Circumference
131788109.07487
Perimeter
83898916
Area
439939256623441
Diagonal
29662746.2189
Surface area
2639635539740646
Volume
9.2276066841381E+21
Space diagonal
36329296.302988
Perimeter
62924187
Area
1.9049928617897E+14
Altitude
18164648.151494
Surface area
1.9049928617897E+14
Volume
1.0874838767461E+21
Height
9887582.0729668