21243973 is an odd 8-digits composite number following 21243972
and preceding 21243974 . In scientific notation, it is written as 2.1243973 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20180688 positive integers (up to 21243973) that are relatively prime to 21243973.
21243973 has 4 divisors, whose sum is 21253600
The reverse of 21243973 is 37934212
Previous prime number is 3427
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million two hundred forty-three thousand nine hundred seventy-three
Scientific notation
2.1243973 × 10^7
Engineering notation
2.1243973 × 10^6
Prime Factorization
3427 × 6199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21243973
Product of the distinct prime numbers
The prime factorization of 21243973 is 3427 × 6199.
Since it has a total of 2 prime factors.
9 , 5 , 49 , 52 , 91 , 459 , 9906 , 5191 , 40396 , 89376 , 228781 , 443869 , 2932523 , 332890 , 16656744 , 74829355 , 553633455 , 867763623 , 8183797612 , 2417056957
n×2
42487946
n×3
63731919
n×4
84975892
n×5
106219865
n÷2
10621986.5
n÷3
7081324.3333333
n÷3
5310993.25
n÷5
4248794.6
n2
451306388824729
n3
9.58754073892E+21
n4
2.0367745659402E+29
n5
4.326918388592E+36
2 √n
4609.1184623526
3 √n
276.95672407121
4 √n
67.89048874734
5 √n
29.204323340344
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21243972
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243973 can be divided by 4 positive divisors.
The sum of these divisors (counting 21243973) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001000010100001000101
3
Ternary
1110222022020211
4
Quaternary
1101002201011
5
Quinary
20414301343
6
Senary
2035155421
8
Octal
121024105
10
Decimal
21243973
12
Duodecimal
7145b71
16
Hexadecimal
1442845
20
Vigesimal
6cf9id
36
Base36
cnbyd
md5
04aa1ee6470ab2e7c018fabe24828d0b
sha1
bb55aec80504228fbab8d7cc97d7bb94b6d8299e
sha256
1d11a65a85a0dcc78d08ef7f589f974b4399e30fa60d8ea188e270c5dd90ae0d
sha512
a420fdbc1304092918a24fe2415f53b920881016d96f0f90d8de641831349d25c415b291550112f9450b9104a10e3550a865fb3b6e0239ab55c1d7bfd997b07b
ripemd-160
940f9cac2e6bda7d149abb1165df9023e4cc733b
Diameter
42487946
Circumference
133479819.01972
Area
1.4178208356499E+15
Volume
4.0160196735179E+22
Surface area
5.6712833425996E+15
Circumference
133479819.01972
Perimeter
84975892
Area
451306388824729
Diagonal
30043514.735288
Surface area
2707838332948374
Volume
9.58754073892E+21
Space diagonal
36795640.590621
Perimeter
63731919
Area
1.9542139880622E+14
Altitude
18397820.295311
Surface area
1.9542139880622E+14
Volume
1.1299025118988E+21
Height
10014504.911763