20403920 is an even 8-digits composite number following 20403919
and preceding 20403921 . In scientific notation, it is written as 2.0403920 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors.
There are 8161536 positive integers (up to 20403920) that are relatively prime to 20403920.
20403920 has 20 divisors, whose sum is 47439300
The reverse of 20403920 is 02930402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million four hundred three thousand nine hundred twenty
Scientific notation
2.0403920 × 10^7
Engineering notation
2.0403920 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 255049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2550490
Product of the distinct prime numbers
The prime factorization of 20403920 is 2 × 2 × 2 × 2 × 5 × 255049.
Since it has a total of 6 prime factors.
8 , 2 , 6 , 75 , 266 , 913 , 8145 , 3240 , 29697 , 95184 , 326980 , 172836 , 9958640 , 3750817 , 81172212 , 42285181 , 879442705 , 761681175 , 4854650165 , 6723012237
n×2
40807840
n×3
61211760
n×4
81615680
n×5
102019600
n÷2
10201960
n÷3
6801306.6666667
n÷3
5100980
n÷5
4080784
n2
416319951366400
n3
8.4945589820839E+21
n4
1.7332230190572E+29
n5
3.5364543823002E+36
2 √n
4517.0698467037
3 √n
273.25694209984
4 √n
67.209150022179
5 √n
28.969614923534
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 255049 , 510098 , 1020196 , 1275245 , 2040392 , 2550490 , 4080784 , 5100980 , 10201960 , 20403920
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20403919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20403920 can be divided by 20 positive divisors.
The sum of these divisors (counting 20403920) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101110101011011010000
3
Ternary
1102101121220202
4
Quaternary
1031311123100
5
Quinary
20210411140
6
Senary
2005154332
8
Octal
115653320
10
Decimal
20403920
12
Duodecimal
69bb9a8
16
Hexadecimal
13756d0
20
Vigesimal
67a9g0
36
Base36
c5brk
md5
df38e12ad41dc879c8e45f835e56156d
sha1
16f72cf3a583d722167b5527e97a00caca852a24
sha256
f0d4c170bc3e8e93e1136499435114dba2b6594f1cb689f10d4167d53f43119f
sha512
d32c79d1df9ac23861f9382cb17829b53fa378d79f1c1450ef0db5a0a3b2618dda069c227894c1649f247af6697f5db5c1faff4d9ba95f8ff03a2e047618db78
ripemd-160
7d2b867af1179a798c16245649f82f85d46dfc34
Diameter
40807840
Circumference
128201610.35287
Area
1.3079077007555E+15
Volume
3.5581925458133E+22
Surface area
5.2316308030222E+15
Circumference
128201610.35287
Perimeter
81615680
Area
416319951366400
Diagonal
28855500.389576
Surface area
2497919708198400
Volume
8.4945589820839E+21
Space diagonal
35340626.113571
Perimeter
61211760
Area
1.802718269928E+14
Altitude
17670313.056785
Surface area
1.802718269928E+14
Volume
1.0010933765701E+21
Height
9618500.1298585