20989095 is an odd 8-digits composite number following 20989094
and preceding 20989096 . In scientific notation, it is written as 2.0989095 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 11194176 positive integers (up to 20989095) that are relatively prime to 20989095.
20989095 has 8 divisors, whose sum is 33582576
The reverse of 20989095 is 59098902
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred eighty-nine thousand ninety-five
Scientific notation
2.0989095 × 10^7
Engineering notation
2.0989095 × 10^6
Prime Factorization
3 × 5 × 1399273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20989095
Product of the distinct prime numbers
The prime factorization of 20989095 is 3 × 5 × 1399273.
Since it has a total of 3 prime factors.
4 , 5 , 38 , 27 , 55 , 944 , 4632 , 5614 , 40134 , 9495 , 443940 , 898947 , 196021 , 8835582 , 25491884 , 74201691 , 296109339 , 306988123 , 8002899 , 5241646778
n×2
41978190
n×3
62967285
n×4
83956380
n×5
104945475
n÷2
10494547.5
n÷3
6996365
n÷3
5247273.75
n÷5
4197819
n2
440542108919025
n3
9.2465801756018E+21
n4
1.9407734973082E+29
n5
4.0735079308484E+36
2 √n
4581.3857074034
3 √n
275.84465370573
4 √n
67.685934339443
5 √n
29.133907878229
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
-20989094
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 20989095 can be divided by 8 positive divisors.
The sum of these divisors (counting 20989095) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000100010010100111
3
Ternary
1110111100121220
4
Quaternary
1100010102213
5
Quinary
20333122340
6
Senary
2025511423
8
Octal
120042247
10
Decimal
20989095
12
Duodecimal
7042573
16
Hexadecimal
14044a7
20
Vigesimal
6b3cef
36
Base36
chvaf
md5
7ba310bfac2a811e5da5f8c633829412
sha1
6e5bea04894722c92b8c234747b9ba81a80b99a5
sha256
a0dbc36ae585d0d8f895f2d716a77c1f19d235c22bd26b3ecda8e70a6149dd76
sha512
80361ceda97022f90116da636bfd016e313dfb17f61a66681530dfb4bdaa7523992c5fd20ce8c6973e1c021d572ec9eaa2da30cda1aa9036562503d50ad00341
ripemd-160
e5c9eaf66795eb4a1846d0260dee52b6f2c4ae2b
Diameter
41978190
Circumference
131878373.315
Area
1.384003852977E+15
Volume
3.8731984467333E+22
Surface area
5.5360154119079E+15
Circumference
131878373.315
Perimeter
83956380
Area
440542108919025
Diagonal
29683062.810937
Surface area
2643252653514150
Volume
9.2465801756018E+21
Space diagonal
36354178.94489
Perimeter
62967285
Area
1.9076032888032E+14
Altitude
18177089.472445
Surface area
1.9076032888032E+14
Volume
1.0897199241589E+21
Height
9894354.2703124