20998729 is an odd 8-digits prime number following 20998728
and preceding 20998730 . In scientific notation, it is written as 2.0998729 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 20998728 positive integers (up to 20998729) that are relatively prime to 20998729.
20998729 has 2 divisors, whose sum is 20998730
The reverse of 20998729 is 92789902
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million nine hundred ninety-eight thousand seven hundred twenty-nine
Scientific notation
2.0998729 × 10^7
Engineering notation
2.0998729 × 10^6
Prime Factorization
20998729
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20998729
Product of the distinct prime numbers
The prime factorization of 20998729 is 20998729.
Since it has a total of 1 prime factors.
3 , 7 , 10 , 6 , 23 , 942 , 3362 , 8385 , 98782 , 52365 , 357068 , 831954 , 8848719 , 4291247 , 31237469 , 63041000 , 61444706 , 269119368 , 8371927876 , 9566180799
n×2
41997458
n×3
62996187
n×4
83994916
n×5
104993645
n÷2
10499364.5
n÷3
6999576.3333333
n÷3
5249682.25
n÷5
4199745.8
n2
440946619615441
n3
9.2593185687707E+21
n4
1.9443392135028E+29
n5
4.0828652228419E+36
2 √n
4582.4370153882
3 √n
275.88685150577
4 √n
67.693699968226
5 √n
29.136581881567
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20998730
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10499365
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4582.4371245005
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999047561
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998729 can be divided by 2 positive divisors.
The sum of these divisors (counting 20998729) is 20998730, the average is 10499365.
Base
System
Value
2
Binary
1010000000110101001001001
3
Ternary
1110111211211201
4
Quaternary
1100012221021
5
Quinary
20333424404
6
Senary
2030024201
8
Octal
120065111
10
Decimal
20998729
12
Duodecimal
7048061
16
Hexadecimal
1406a49
20
Vigesimal
6b4gg9
36
Base36
ci2q1
md5
2fec74a3cbd82252a8bb6ce22b4973fa
sha1
29ecd7085a3eb2844980a221f4cdab1ff356d976
sha256
0d0b1d81d5862605b9b9f394eb3b2dae02672dedab5231981619df6ad2e17f2a
sha512
f8d3bc624c3da323c935fc87495d6e7f9b7ac11c36e3e94a6ccd2e1a61c7cc048f1be8d58fb772adacdc937d0076068e8a32bdade6cc15110e93bb45480f2a1a
ripemd-160
28afdaead429c78418d9e51c5b6624e4e3e60826
Diameter
41997458
Circumference
131938905.52225
Area
1.3852746608091E+15
Volume
3.8785342923864E+22
Surface area
5.5410986432365E+15
Circumference
131938905.52225
Perimeter
83994916
Area
440946619615441
Diagonal
29696687.344397
Surface area
2645679717692646
Volume
9.2593185687707E+21
Space diagonal
36370865.52237
Perimeter
62996187
Area
1.9093548714992E+14
Altitude
18185432.761185
Surface area
1.9093548714992E+14
Volume
1.0912211581907E+21
Height
9898895.7814657