20984956 is an even 8-digits composite number following 20984955
and preceding 20984957 . In scientific notation, it is written as 2.0984956 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 10483200 positive integers (up to 20984956) that are relatively prime to 20984956.
20984956 has 12 divisors, whose sum is 36756160
The reverse of 20984956 is 65948902
Previous prime number is 2689
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred eighty-four thousand nine hundred fifty-six
Scientific notation
2.0984956 × 10^7
Engineering notation
2.0984956 × 10^6
Prime Factorization
2 × 2 × 2689 × 1951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10492478
Product of the distinct prime numbers
The prime factorization of 20984956 is 2 × 2 × 2689 × 1951.
Since it has a total of 4 prime factors.
1 , 2 , 11 , 91 , 438 , 152 , 9756 , 5591 , 84649 , 19473 , 653065 , 250909 , 7759960 , 108135 , 55342861 , 69426280 , 198186536 , 55722737 , 4469436347 , 1828517209
n×2
41969912
n×3
62954868
n×4
83939824
n×5
104924780
n÷2
10492478
n÷3
6994985.3333333
n÷3
5246239
n÷5
4196991.2
n2
440368378321936
n3
9.2411110428772E+21
n4
1.9392430862589E+29
n5
4.0694930838448E+36
2 √n
4580.933965907
3 √n
275.82652054216
4 √n
67.682597216027
5 √n
29.132758760008
1 , 2 , 4 , 1951 , 2689 , 3902 , 5378 , 7804 , 10756 , 5246239 , 10492478 , 20984956
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20984955
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20984956 can be divided by 12 positive divisors.
The sum of these divisors (counting 20984956) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000011010001111100
3
Ternary
1110111010221121
4
Quaternary
1100003101330
5
Quinary
20333004311
6
Senary
2025440324
8
Octal
120032174
10
Decimal
20984956
12
Duodecimal
70400a4
16
Hexadecimal
140347c
20
Vigesimal
6b327g
36
Base36
chs3g
md5
841808f5b1519b78688483fdaedd9424
sha1
8cfed45c73ec21aaa911a2da16233adc491b54ab
sha256
58ee239a3f4192ecd746d105d3c8d7c3906a4f4ddbc17b07dfc6678152330db5
sha512
e9bc3cc2b9752a6ed0506b0843d0030d5985ca61077029f17b1c651bb647f794967c55010a93ba06322359c38397e6db74c86252dc26a29e9ff58a125d6287ff
ripemd-160
a4fd1b2aa63a09bf905c1b2c964eeeeba28385be
Diameter
41969912
Circumference
131852367.21101
Area
1.3834580622094E+15
Volume
3.8709075417747E+22
Surface area
5.5338322488378E+15
Circumference
131852367.21101
Perimeter
83939824
Area
440368378321936
Diagonal
29677209.381003
Surface area
2642210269931616
Volume
9.2411110428772E+21
Space diagonal
36347009.986597
Perimeter
62954868
Area
1.9068510132508E+14
Altitude
18173504.993299
Surface area
1.9068510132508E+14
Volume
1.0890753806861E+21
Height
9892403.1270009