20898045 is an odd 8-digits composite number following 20898044
and preceding 20898046 . In scientific notation, it is written as 2.0898045 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 9553248 positive integers (up to 20898045) that are relatively prime to 20898045.
20898045 has 16 divisors, whose sum is 31845120
The reverse of 20898045 is 54089802
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred ninety-eight thousand forty-five
Scientific notation
2.0898045 × 10^7
Engineering notation
2.0898045 × 10^6
Prime Factorization
9 × 5 × 7 × 66343
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20898045
Product of the distinct prime numbers
The prime factorization of 20898045 is 9 × 5 × 7 × 66343.
Since it has a total of 4 prime factors.
6 , 2 , 22 , 50 , 8 , 238 , 2889 , 291 , 66722 , 32776 , 228976 , 595614 , 2557346 , 8971071 , 93548368 , 80280835 , 622048307 , 163774621 , 2619358249 , 9027072709
n×2
41796090
n×3
62694135
n×4
83592180
n×5
104490225
n÷2
10449022.5
n÷3
6966015
n÷3
5224511.25
n÷5
4179609
n2
436728284822025
n3
9.1267673489835E+21
n4
1.9073159476359E+29
n5
3.9859174502912E+36
2 √n
4571.4379575797
3 √n
275.44520722398
4 √n
67.612409789769
5 √n
29.108587518691
1 , 5 , 7 , 9 , 35 , 45 , 63 , 315 , 66343 , 331715 , 464401 , 597087 , 2322005 , 2985435 , 4179609 , 20898045
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
-20898044
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 20898045 can be divided by 16 positive divisors.
The sum of these divisors (counting 20898045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111101110000011111101
3
Ternary
1110022201201200
4
Quaternary
1033232003331
5
Quinary
20322214140
6
Senary
2023530113
8
Octal
117560375
10
Decimal
20898045
12
Duodecimal
6bb9939
16
Hexadecimal
13ee0fd
20
Vigesimal
6ac525
36
Base36
cfx19
md5
3b7a3c708ed8b7053110daac0f1216e8
sha1
01b3164f0c4765a28b21d533f9f246010f5e6ca6
sha256
99efb52177ddca6ad79572bc93aa323b4e7018900985d2f717e995861e30c909
sha512
62e58242c31196e5447e70017bf125bb9009e19e94894dcf8f24be3febbdb598a13231ef640a26aefc6e27e56e39345499e2f0c2c5fc68fcb5c82dbaabeb678d
ripemd-160
f4fd6d1ad2be88a45920c33a186a77311fb19dc4
Diameter
41796090
Circumference
131306289.29278
Area
1.3720223712117E+15
Volume
3.8230113672786E+22
Surface area
5.488089484847E+15
Circumference
131306289.29278
Perimeter
83592180
Area
436728284822025
Diagonal
29554298.666083
Surface area
2620369708932150
Volume
9.1267673489835E+21
Space diagonal
36196475.718861
Perimeter
62694135
Area
1.8910889460354E+14
Altitude
18098237.85943
Surface area
1.8910889460354E+14
Volume
1.0755998471297E+21
Height
9851432.8886944