20943949 is an odd 8-digits composite number following 20943948
and preceding 20943950 . In scientific notation, it is written as 2.0943949 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 17989632 positive integers (up to 20943949) that are relatively prime to 20943949.
20943949 has 8 divisors, whose sum is 22788920
The reverse of 20943949 is 94934902
Previous prime number is 16609
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million nine hundred forty-three thousand nine hundred forty-nine
Scientific notation
2.0943949 × 10^7
Engineering notation
2.0943949 × 10^6
Prime Factorization
13 × 16609 × 97
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20943949
Product of the distinct prime numbers
The prime factorization of 20943949 is 13 × 16609 × 97.
Since it has a total of 3 prime factors.
9 , 4 , 73 , 76 , 794 , 550 , 9205 , 3817 , 90125 , 71169 , 426447 , 564832 , 6623025 , 3492642 , 56792887 , 65153776 , 26655726 , 88727325 , 6718159111 , 3676523516
n×2
41887898
n×3
62831847
n×4
83775796
n×5
104719745
n÷2
10471974.5
n÷3
6981316.3333333
n÷3
5235987.25
n÷5
4188789.8
n2
438648999714601
n3
9.1870422789236E+21
n4
1.9241294495062E+29
n5
4.0298869059856E+36
2 √n
4576.4559431945
3 √n
275.64673788135
4 √n
67.649508077993
5 √n
29.121364102564
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20943948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20943949 can be divided by 8 positive divisors.
The sum of these divisors (counting 20943949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111001010001001101
3
Ternary
1110102001200211
4
Quaternary
1033321101031
5
Quinary
20330201244
6
Senary
2024522421
8
Octal
117712115
10
Decimal
20943949
12
Duodecimal
7020411
16
Hexadecimal
13f944d
20
Vigesimal
6ahjh9
36
Base36
cgwgd
md5
45678c640d0ccb3f1b1bfb22d554486b
sha1
7db23f5cc5deb40ef5d267e76351de7f4a4fe6ae
sha256
b2a507942a0adb3b7d795008a499a087ba6178b54858f00b1a112c3a9f0773ee
sha512
bb0f53a269462387ddb16e0beb6d7eb9542871746f73f7785d9ef115fd7327cb9c21a65a0d6b5bfaa3b1ce779fded42c2c29f8418d05e3334d3cf4ee6a209ad1
ripemd-160
ef697fd4c599d434fe20e2855bbbedb337beecd4
Diameter
41887898
Circumference
131594712.63112
Area
1.3780564750079E+15
Volume
3.8482592708914E+22
Surface area
5.5122259000316E+15
Circumference
131594712.63112
Perimeter
83775796
Area
438648999714601
Diagonal
29619216.72545
Surface area
2631893998287606
Volume
9.1870422789236E+21
Space diagonal
36275983.779131
Perimeter
62831847
Area
1.8994058854874E+14
Altitude
18137991.889566
Surface area
1.8994058854874E+14
Volume
1.0827033157457E+21
Height
9873072.2418168