20953009 is an odd 8-digits composite number following 20953008
and preceding 20953010 . In scientific notation, it is written as 2.0953009 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 15926400 positive integers (up to 20953009) that are relatively prime to 20953009.
20953009 has 8 divisors, whose sum is 24003008
The reverse of 20953009 is 90035902
Previous prime number is 451
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million nine hundred fifty-three thousand nine
Scientific notation
2.0953009 × 10^7
Engineering notation
2.0953009 × 10^6
Prime Factorization
7 × 451 × 6637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20953009
Product of the distinct prime numbers
The prime factorization of 20953009 is 7 × 451 × 6637.
Since it has a total of 3 prime factors.
3 , 9 , 76 , 47 , 607 , 863 , 2683 , 2556 , 25157 , 62310 , 894601 , 527859 , 9765059 , 1756920 , 59017685 , 88933178 , 305108477 , 10307957 , 6237701382 , 5496346987
n×2
41906018
n×3
62859027
n×4
83812036
n×5
104765045
n÷2
10476504.5
n÷3
6984336.3333333
n÷3
5238252.25
n÷5
4190601.8
n2
439028586154081
n3
9.1989699169437E+21
n4
1.9274609946045E+29
n5
4.0386107567097E+36
2 √n
4577.4456850956
3 √n
275.68647886536
4 √n
67.656822901283
5 √n
29.123883149164
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
-20953008
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 20953009 can be divided by 8 positive divisors.
The sum of these divisors (counting 20953009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111011011110110001
3
Ternary
1110102112010101
4
Quaternary
1033323132301
5
Quinary
20330444014
6
Senary
2025032401
8
Octal
117733661
10
Decimal
20953009
12
Duodecimal
7025701
16
Hexadecimal
13fb7b1
20
Vigesimal
6aj2a9
36
Base36
ch3g1
md5
f0dff25dcce3a4d16c194f78928b6394
sha1
13dddc868caa4bba2a9ce0ab096f9aea6496dfde
sha256
a2d00e96f27271341647d4e73d88758574f7408f04ad3e86f2697fa78785a2cf
sha512
920dd8fabf8b0f5a4d16a290384bc4df341957851b5b84a23f0313ae64a44c141a4b0639a1ba19180bc06c237c28474016bcfc642f8f4bf5372aac8f4bf8cecf
ripemd-160
052bdf0de41d40524867fec20964215b187d5c39
Diameter
41906018
Circumference
131651638.29
Area
1.3792489809776E+15
Volume
3.8532555082219E+22
Surface area
5.5169959239103E+15
Circumference
131651638.29
Perimeter
83812036
Area
439028586154081
Diagonal
29632029.500326
Surface area
2634171516924486
Volume
9.1989699169437E+21
Space diagonal
36291676.159448
Perimeter
62859027
Area
1.901049542985E+14
Altitude
18145838.079724
Surface area
1.901049542985E+14
Volume
1.084109001367E+21
Height
9877343.1667752