20998090 is an even 8-digits composite number following 20998089
and preceding 20998091 . In scientific notation, it is written as 2.0998090 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 8399232 positive integers (up to 20998090) that are relatively prime to 20998090.
20998090 has 8 divisors, whose sum is 37796580
The reverse of 20998090 is 09089902
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred ninety-eight thousand ninety
Scientific notation
2.0998090 × 10^7
Engineering notation
2.0998090 × 10^6
Prime Factorization
2 × 5 × 2099809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20998090
Product of the distinct prime numbers
The prime factorization of 20998090 is 2 × 5 × 2099809.
Since it has a total of 3 prime factors.
7 , 2 , 53 , 46 , 637 , 822 , 7544 , 1179 , 83133 , 36831 , 682560 , 191267 , 9204303 , 7839475 , 50816478 , 1103264 , 534018403 , 804197647 , 926363840 , 7235006302
n×2
41996180
n×3
62994270
n×4
83992360
n×5
104990450
n÷2
10499045
n÷3
6999363.3333333
n÷3
5249522.5
n÷5
4199618
n2
440919783648100
n3
9.2584732998233E+21
n4
1.9441025561229E+29
n5
4.0822440442698E+36
2 √n
4582.3672921319
3 √n
275.88405302709
4 √n
67.693184975534
5 √n
29.136404551764
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
-20998089
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 20998090 can be divided by 8 positive divisors.
The sum of these divisors (counting 20998090) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110011111001010
3
Ternary
1110111210222001
4
Quaternary
1100012133022
5
Quinary
20333414330
6
Senary
2030021214
8
Octal
120063712
10
Decimal
20998090
12
Duodecimal
704780a
16
Hexadecimal
14067ca
20
Vigesimal
6b4f4a
36
Base36
ci28a
md5
a2fae5a6f48150b891ed88fecd3fdb85
sha1
3db4cbb609f25c12deca7c469bd4719134107e90
sha256
efeb0b0b76b1a6b60d29c8869d0089da72243c323befd3d9d45fe9ea19d93ccc
sha512
1d738aa098d793da2d6499ec16c379efc8d229b1178d734e412c140216a421bfce008b6fae1a2aae34968c4fdd2b745dbbcbc506b228064f968a1244b90c14a5
ripemd-160
ae53129a65d5e63c0dc1a6ecbaa39e52cc64ac2c
Diameter
41996180
Circumference
131934890.56683
Area
1.3851903531313E+15
Volume
3.8781802269576E+22
Surface area
5.5407614125251E+15
Circumference
131934890.56683
Perimeter
83992360
Area
440919783648100
Diagonal
29695783.661931
Surface area
2645518701888600
Volume
9.2584732998233E+21
Space diagonal
36369758.741904
Perimeter
62994270
Area
1.909238668352E+14
Altitude
18184879.370952
Surface area
1.909238668352E+14
Volume
1.0911215422899E+21
Height
9898594.553977