20998747 is an odd 8-digits composite number following 20998746
and preceding 20998748 . In scientific notation, it is written as 2.0998747 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 15338400 positive integers (up to 20998747) that are relatively prime to 20998747.
20998747 has 32 divisors, whose sum is 27869184
The reverse of 20998747 is 74789902
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million nine hundred ninety-eight thousand seven hundred forty-seven
Scientific notation
2.0998747 × 10^7
Engineering notation
2.0998747 × 10^6
Prime Factorization
7 × 11 × 71 × 167 × 23
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20998747
Product of the distinct prime numbers
The prime factorization of 20998747 is 7 × 11 × 71 × 167 × 23.
Since it has a total of 5 prime factors.
1 , 10 , 83 , 59 , 98 , 896 , 7539 , 5544 , 26639 , 13832 , 643559 , 953192 , 5864768 , 7358731 , 88392879 , 39071943 , 898783529 , 972179826 , 892748923 , 37039161
n×2
41997494
n×3
62996241
n×4
83994988
n×5
104993735
n÷2
10499373.5
n÷3
6999582.3333333
n÷3
5249686.75
n÷5
4199749.4
n2
440947375570009
n3
9.2593423799086E+21
n4
1.9443458802208E+29
n5
4.0828827219249E+36
2 √n
4582.4389794082
3 √n
275.88693033533
4 √n
67.693714474892
5 √n
29.13658687671
1 , 7 , 11 , 23 , 71 , 77 , 161 , 167 , 253 , 497 , 781 , 1169 , 1633 , 1771 , 1837 , 3841 , 5467 , 11431 , 11857 , 12859 , 17963 , 26887 , 42251 , 82999 , 125741 , 130427 , 272711 , 295757 , 912989 , 1908977 , 2999821 , 20998747
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20998746
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998747 can be divided by 32 positive divisors.
The sum of these divisors (counting 20998747) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000110101001011011
3
Ternary
1110111211212101
4
Quaternary
1100012221123
5
Quinary
20333424442
6
Senary
2030024231
8
Octal
120065133
10
Decimal
20998747
12
Duodecimal
7048077
16
Hexadecimal
1406a5b
20
Vigesimal
6b4gh7
36
Base36
ci2qj
md5
797a78505b97955a07dfe42e04409227
sha1
ea05b4c8bed3e296b2b677db3249d5f43eb7704d
sha256
dd0622bc1190805a21123997bcc433b564dd4909b935649c0bb52482d72fbeb5
sha512
7d1c72cebe931a52ea3ce81202c1a2d245e5b92deb0f68e08b8e100923cd289c01427599eaff1da83563ba7b3aea5e30d5d1f72be0e0643bf5d8953a8011a762
ripemd-160
24e3bcfd50f534074f6de45b4c39fa596bc35275
Diameter
41997494
Circumference
131939018.61958
Area
1.3852770357104E+15
Volume
3.8785442663725E+22
Surface area
5.5411081428418E+15
Circumference
131939018.61958
Perimeter
83994988
Area
440947375570009
Diagonal
29696712.800241
Surface area
2645684253420054
Volume
9.2593423799086E+21
Space diagonal
36370896.699285
Perimeter
62996241
Area
1.9093581448785E+14
Altitude
18185448.349642
Surface area
1.9093581448785E+14
Volume
1.0912239643602E+21
Height
9898904.2667471