21000237 is an odd 8-digits composite number following 21000236
and preceding 21000238 . In scientific notation, it is written as 2.1000237 × 10^7.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 13548480 positive integers (up to 21000237) that are relatively prime to 21000237.
21000237 has 8 divisors, whose sum is 28903680
The reverse of 21000237 is 73200012
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million two hundred thirty-seven
Scientific notation
2.1000237 × 10^7
Engineering notation
2.1000237 × 10^6
Prime Factorization
3 × 31 × 225809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000237
Product of the distinct prime numbers
The prime factorization of 21000237 is 3 × 31 × 225809.
Since it has a total of 3 prime factors.
5 , 1 , 39 , 38 , 48 , 811 , 2911 , 1850 , 27510 , 56443 , 491618 , 601322 , 8675397 , 4510534 , 34939399 , 88022006 , 607309762 , 467311792 , 4674485184 , 7470511792
n×2
42000474
n×3
63000711
n×4
84000948
n×5
105001185
n÷2
10500118.5
n÷3
7000079
n÷3
5250059.25
n÷5
4200047.4
n2
441009954056169
n3
9.2613135545387E+21
n4
1.9448977957662E+29
n5
4.0843314651869E+36
2 √n
4582.6015537029
3 √n
275.89345551521
4 √n
67.694915272145
5 √n
29.137000351689
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
-21000236
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 21000237 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000237) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000000101101
3
Ternary
1110111220220120
4
Quaternary
1100013000231
5
Quinary
20334001422
6
Senary
2030035153
8
Octal
120070055
10
Decimal
21000237
12
Duodecimal
7048ab9
16
Hexadecimal
140702d
20
Vigesimal
6b50bh
36
Base36
ci3vx
md5
aa2bf74c34daa5b4afb47c56f346e618
sha1
e1991e42bcc945042a41b189fcb43b9a86d5aaf9
sha256
ca0f42f583223f27725f8dd0dac0e6718be514986e723dd4c35d2e2bb58ddbf6
sha512
07dc652a0fdf3e53858a3d41e106f4f0a48c203b55b6678da328e9facac397a3f54b15ee931e0eaf346c8a8f9658754d9f62c73b493ae6f8b3c95c3c6c797e54
ripemd-160
8478c41eb91b2102e328a430064305b4407bf941
Diameter
42000474
Circumference
131948380.56569
Area
1.3854736318228E+15
Volume
3.8793699500707E+22
Surface area
5.5418945272913E+15
Circumference
131948380.56569
Perimeter
84000948
Area
441009954056169
Diagonal
29698819.978449
Surface area
2646059724337014
Volume
9.2613135545387E+21
Space diagonal
36373477.454988
Perimeter
63000711
Area
1.9096291176723E+14
Altitude
18186738.727494
Surface area
1.9096291176723E+14
Volume
1.0914562695182E+21
Height
9899606.6594831