20996481 is an odd 8-digits composite number following 20996480
and preceding 20996482 . In scientific notation, it is written as 2.0996481 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 12725120 positive integers (up to 20996481) that are relatively prime to 20996481.
20996481 has 8 divisors, whose sum is 30540384
The reverse of 20996481 is 18469902
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million nine hundred ninety-six thousand four hundred eighty-one
Scientific notation
2.0996481 × 10^7
Engineering notation
2.0996481 × 10^6
Prime Factorization
3 × 11 × 636257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20996481
Product of the distinct prime numbers
The prime factorization of 20996481 is 3 × 11 × 636257.
Since it has a total of 3 prime factors.
1 , 2 , 38 , 16 , 834 , 339 , 5832 , 8434 , 11778 , 20306 , 361288 , 652458 , 7270535 , 4392116 , 90534132 , 6802472 , 255359910 , 627272679 , 3728534727 , 445302212
n×2
41992962
n×3
62989443
n×4
83985924
n×5
104982405
n÷2
10498240.5
n÷3
6998827
n÷3
5249120.25
n÷5
4199296.2
n2
440852214383361
n3
9.2563451431082E+21
n4
1.9435067492671E+29
n5
4.0806802534359E+36
2 √n
4582.1917244917
3 √n
275.87700621506
4 √n
67.691888173486
5 √n
29.135958016751
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
-20996480
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 20996481 can be divided by 8 positive divisors.
The sum of these divisors (counting 20996481) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110000110000001
3
Ternary
1110111201202110
4
Quaternary
1100012012001
5
Quinary
20333341411
6
Senary
2030005533
8
Octal
120060601
10
Decimal
20996481
12
Duodecimal
70468a9
16
Hexadecimal
1406181
20
Vigesimal
6b4b41
36
Base36
ci0zl
md5
23b8b97f0b46b6808a22ffe5345dd4ab
sha1
87824c8db7b1b67f39d81fececffae7cc69edbc2
sha256
a7e39259583cec7a0a070fbdd5423ca2f1bad0b32216eee6570275d90054a541
sha512
1f7c035daf1f3fccd61c4cac18d1537e0edfc00bf49ec02aa11e6b6ddc0ed8e228d3e5b66473fc03804645d0b618ebed5d84125a2165a7afa16620310dfd8006
ripemd-160
ee0c3f944250228348b13fea1e659fdc2261c2fd
Diameter
41992962
Circumference
131924780.92168
Area
1.3849780780256E+15
Volume
3.8772887867574E+22
Surface area
5.5399123121022E+15
Circumference
131924780.92168
Perimeter
83985924
Area
440852214383361
Diagonal
29693508.192309
Surface area
2645113286300166
Volume
9.2563451431082E+21
Space diagonal
36366971.872155
Perimeter
62989443
Area
1.9089460848531E+14
Altitude
18183485.936077
Surface area
1.9089460848531E+14
Volume
1.0908707366158E+21
Height
9897836.064103