21743979 is an odd 8-digits composite number following 21743978
and preceding 21743980 . In scientific notation, it is written as 2.1743979 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 14279496 positive integers (up to 21743979) that are relatively prime to 21743979.
21743979 has 8 divisors, whose sum is 29424960
The reverse of 21743979 is 97934712
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million seven hundred forty-three thousand nine hundred seventy-nine
Scientific notation
2.1743979 × 10^7
Engineering notation
2.1743979 × 10^6
Prime Factorization
3 × 67 × 108179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21743979
Product of the distinct prime numbers
The prime factorization of 21743979 is 3 × 67 × 108179.
Since it has a total of 3 prime factors.
8 , 5 , 6 , 32 , 410 , 533 , 5306 , 9151 , 55076 , 9663 , 947744 , 672649 , 9864461 , 1860764 , 13116203 , 62419138 , 560964617 , 904644417 , 5078970325 , 9242143852
n×2
43487958
n×3
65231937
n×4
86975916
n×5
108719895
n÷2
10871989.5
n÷3
7247993
n÷3
5435994.75
n÷5
4348795.8
n2
472800622752441
n3
1.0280566812316E+22
n4
2.235404288751E+29
n5
4.8606583911111E+36
2 √n
4663.0439629066
3 √n
279.11274845922
4 √n
68.286484481972
5 √n
29.34051982734
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
-21743978
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 21743979 can be divided by 8 positive divisors.
The sum of these divisors (counting 21743979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010111100100101101011
3
Ternary
1111220201010120
4
Quaternary
1102330211223
5
Quinary
21031301404
6
Senary
2054014323
8
Octal
122744553
10
Decimal
21743979
12
Duodecimal
73473a3
16
Hexadecimal
14bc96b
20
Vigesimal
6fhjij
36
Base36
cy1rf
md5
2d969593ffdcccdb2220d5b327284938
sha1
47955a4232de8db8d725659f2d6a07ec36ea4383
sha256
fec194d57e3a51dd64c5a6150fd5ad37ee3fd0e283a1ca3d5a16f9c6ff1b6f57
sha512
b1cf52b35d9491f5719cdc7461ef84feff2cd3f87647c88e82d058b9f3bf3b6d368199d1181aa7231a9d19904a89029000e0e61e5b3ee0902be402a4234082e4
ripemd-160
18f27373c540d049e45dd64cbfda2c678a29fdb0
Diameter
43487958
Circumference
136621449.37242
Area
1.4853469630517E+15
Volume
4.3063137563081E+22
Surface area
5.941387852207E+15
Circumference
136621449.37242
Perimeter
86975916
Area
472800622752441
Diagonal
30750630.001756
Surface area
2836803736514646
Volume
1.0280566812316E+22
Space diagonal
37661676.386711
Perimeter
65231937
Area
2.0472867511436E+14
Altitude
18830838.193355
Surface area
2.0472867511436E+14
Volume
1.211576417905E+21
Height
10250210.000585