20994645 is an odd 8-digits composite number following 20994644
and preceding 20994646 . In scientific notation, it is written as 2.0994645 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 9472320 positive integers (up to 20994645) that are relatively prime to 20994645.
20994645 has 16 divisors, whose sum is 28925568
The reverse of 20994645 is 54649902
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million nine hundred ninety-four thousand six hundred forty-five
Scientific notation
2.0994645 × 10^7
Engineering notation
2.0994645 × 10^6
Prime Factorization
5 × 237 × 7 × 2531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20994645
Product of the distinct prime numbers
The prime factorization of 20994645 is 5 × 237 × 7 × 2531.
Since it has a total of 4 prime factors.
6 , 7 , 4 , 99 , 727 , 154 , 8175 , 3548 , 16717 , 15690 , 229774 , 893602 , 8641189 , 852936 , 30806724 , 52576471 , 510336477 , 766550177 , 7604310560 , 4013968891
n×2
41989290
n×3
62983935
n×4
83978580
n×5
104973225
n÷2
10497322.5
n÷3
6998215
n÷3
5248661.25
n÷5
4198929
n2
440775118676025
n3
9.253917141436E+21
n4
1.9428270524386E+29
n5
4.0788964262346E+36
2 √n
4581.9913793022
3 √n
275.86896478901
4 √n
67.690408325717
5 √n
29.135448450505
1 , 5 , 7 , 35 , 237 , 1185 , 1659 , 2531 , 8295 , 12655 , 17717 , 88585 , 599847 , 2999235 , 4198929 , 20994645
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
-20994644
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 20994645 can be divided by 16 positive divisors.
The sum of these divisors (counting 20994645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000101101001010101
3
Ternary
1110111122020110
4
Quaternary
1100011221111
5
Quinary
20333312040
6
Senary
2025553233
8
Octal
120055125
10
Decimal
20994645
12
Duodecimal
7045819
16
Hexadecimal
1405a55
20
Vigesimal
6b46c5
36
Base36
chzkl
md5
c6b1fb614db92399dd48f380a06954d5
sha1
7c0bb36cbb5ec594a91d3f2147b1382a87e7632d
sha256
487ccf166a0a07f8f4ad3ac56d1852dff956e4533cc516f81307abe15ae5b910
sha512
42ab771a9fa4595c1d085891e089df8d32a3a60f775b0bb6009546a7df33075f5c3dcb86e003fd01e75df7dbb25b6e86b4694f7bfc28e68e78dbdc234ed5a15b
ripemd-160
2fcdd29ce250441fe43c3b35940ccad1b2535ec7
Diameter
41989290
Circumference
131913244.99345
Area
1.3847358747178E+15
Volume
3.8762717477952E+22
Surface area
5.5389434988711E+15
Circumference
131913244.99345
Perimeter
83978580
Area
440775118676025
Diagonal
29690911.696208
Surface area
2644650712056150
Volume
9.253917141436E+21
Space diagonal
36363791.826872
Perimeter
62983935
Area
1.9086122506477E+14
Altitude
18181895.913436
Surface area
1.9086122506477E+14
Volume
1.0905845938746E+21
Height
9896970.5654028