20921467 is an odd 8-digits composite number following 20921466
and preceding 20921468 . In scientific notation, it is written as 2.0921467 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 17040672 positive integers (up to 20921467) that are relatively prime to 20921467.
20921467 has 16 divisors, whose sum is 25113600
The reverse of 20921467 is 76412902
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred twenty-one thousand four hundred sixty-seven
Scientific notation
2.0921467 × 10^7
Engineering notation
2.0921467 × 10^6
Prime Factorization
7 × 23 × 199 × 653
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921467
Product of the distinct prime numbers
The prime factorization of 20921467 is 7 × 23 × 199 × 653.
Since it has a total of 4 prime factors.
9 , 9 , 18 , 8 , 345 , 862 , 6096 , 6294 , 56239 , 96083 , 879958 , 320226 , 6158859 , 5186895 , 88291316 , 32260161 , 452478380 , 14935094 , 6689650869 , 2337750807
n×2
41842934
n×3
62764401
n×4
83685868
n×5
104607335
n÷2
10460733.5
n÷3
6973822.3333333
n÷3
5230366.75
n÷5
4184293.4
n2
437707781432089
n3
9.1574889048747E+21
n4
1.915881019262E+29
n5
4.0083041520417E+36
2 √n
4573.9990161783
3 √n
275.54807280982
4 √n
67.631346402229
5 √n
29.115109429166
1 , 7 , 23 , 161 , 199 , 653 , 1393 , 4571 , 4577 , 15019 , 32039 , 105133 , 129947 , 909629 , 2988781 , 20921467
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
-20921466
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 20921467 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921467) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011110001111011
3
Ternary
1110100220212011
4
Quaternary
1033303301323
5
Quinary
20323441332
6
Senary
2024230351
8
Octal
117636173
10
Decimal
20921467
12
Duodecimal
700b3b7
16
Hexadecimal
13f3c7b
20
Vigesimal
6af3d7
36
Base36
cgf3v
md5
6d65f9010d2d23e93b9ce00c80e9ae0c
sha1
bc881f3e02789f3a7bcf60b047c3e6c52fec8ac5
sha256
fd12e941bd916fd0689a8624cce2dbfeb118b91bb15f11cd36bebb6661dd95d3
sha512
144490685be3c7e2684cf68e8b4e9008e8b08adeea564c57403f28ca984b81637bf2e829785bf96274ce5f525547ef55f27e3f4c114e2606bb6c765c5f3335d4
ripemd-160
f7cf41cc5a07ebb32fc3eed971fb7a85e62999ea
Diameter
41842934
Circumference
131453454.05904
Area
1.3750995505661E+15
Volume
3.8358799825179E+22
Surface area
5.5003982022646E+15
Circumference
131453454.05904
Perimeter
83685868
Area
437707781432089
Diagonal
29587422.376141
Surface area
2626246688592534
Volume
9.1574889048747E+21
Space diagonal
36237043.812876
Perimeter
62764401
Area
1.8953302907716E+14
Altitude
18118521.906438
Surface area
1.8953302907716E+14
Volume
1.0792204172129E+21
Height
9862474.1253804