20921130 is an even 8-digits composite number following 20921129
and preceding 20921131 . In scientific notation, it is written as 2.0921130 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 5578944 positive integers (up to 20921130) that are relatively prime to 20921130.
20921130 has 16 divisors, whose sum is 44631936
The reverse of 20921130 is 03112902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million nine hundred twenty-one thousand one hundred thirty
Scientific notation
2.0921130 × 10^7
Engineering notation
2.0921130 × 10^6
Prime Factorization
2 × 15 × 3 × 232457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921130
Product of the distinct prime numbers
The prime factorization of 20921130 is 2 × 15 × 3 × 232457.
Since it has a total of 4 prime factors.
5 , 2 , 98 , 60 , 30 , 691 , 2976 , 3737 , 42157 , 55647 , 439650 , 778759 , 1950016 , 1114869 , 71819406 , 77756025 , 327782087 , 309953435 , 7040687829 , 1677019128
n×2
41842260
n×3
62763390
n×4
83684520
n×5
104605650
n÷2
10460565
n÷3
6973710
n÷3
5230282.5
n÷5
4184226
n2
437693680476900
n3
9.1570463894357E+21
n4
1.9157575792941E+29
n5
4.0079813364898E+36
2 √n
4573.9621773688
3 √n
275.54659330556
4 √n
67.631074051569
5 √n
29.115015632157
1 , 2 , 3 , 6 , 15 , 30 , 45 , 90 , 232457 , 464914 , 697371 , 1394742 , 3486855 , 6973710 , 10460565 , 20921130
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
-20921129
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 20921130 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921130) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011101100101010
3
Ternary
1110100220101200
4
Quaternary
1033303230222
5
Quinary
20323434010
6
Senary
2024225030
8
Octal
117635452
10
Decimal
20921130
12
Duodecimal
700b176
16
Hexadecimal
13f3b2a
20
Vigesimal
6af2ga
36
Base36
cgeui
md5
1a26496418680a86709eae8de01ab525
sha1
b53a2e4c3a3ca14bc4492fab44720db980476a80
sha256
2d7695d3ec3987e213b08ca2b94ad5d5c3415a60bc9d7f81d35452eb299924b6
sha512
c2d1d262dd43aa706d4491cb20d57275e304c51666177df06179cccf40e7bc74ea7d8fc95232f58c6339950dca3309b5855c5f4bc78547d2c1db3e12dba52bc4
ripemd-160
a00534536f4bd794584e1c5deb87dc0bbc1f747a
Diameter
41842260
Circumference
131451336.62559
Area
1.3750552511089E+15
Volume
3.8356946220843E+22
Surface area
5.5002210044356E+15
Circumference
131451336.62559
Perimeter
83684520
Area
437693680476900
Diagonal
29586945.786171
Surface area
2626162082861400
Volume
9.1570463894357E+21
Space diagonal
36236460.111753
Perimeter
62763390
Area
1.8952692318445E+14
Altitude
18118230.055877
Surface area
1.8952692318445E+14
Volume
1.0791682662683E+21
Height
9862315.2620569