21971036 is an even 8-digits composite number following 21971035
and preceding 21971037 . In scientific notation, it is written as 2.1971036 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 10968240 positive integers (up to 21971036) that are relatively prime to 21971036.
21971036 has 12 divisors, whose sum is 38509800
The reverse of 21971036 is 63017912
Previous prime number is 691
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million nine hundred seventy-one thousand thirty-six
Scientific notation
2.1971036 × 10^7
Engineering notation
2.1971036 × 10^6
Prime Factorization
2 × 2 × 691 × 7949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10985518
Product of the distinct prime numbers
The prime factorization of 21971036 is 2 × 2 × 691 × 7949.
Since it has a total of 4 prime factors.
5 , 10 , 79 , 33 , 226 , 395 , 7614 , 2241 , 17602 , 70414 , 992253 , 173751 , 4876789 , 3101125 , 47058405 , 88657462 , 105050574 , 396563346 , 3833240424 , 40959434
n×2
43942072
n×3
65913108
n×4
87884144
n×5
109855180
n÷2
10985518
n÷3
7323678.6666667
n÷3
5492759
n÷5
4394207.2
n2
482726422913296
n3
1.0605999615979E+22
n4
2.3302479937867E+29
n5
5.1197962560415E+36
2 √n
4687.3271701472
3 √n
280.08091199065
4 √n
68.464057505725
5 √n
29.40154193365
1 , 2 , 4 , 691 , 1382 , 2764 , 7949 , 15898 , 31796 , 5492759 , 10985518 , 21971036
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21971035
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21971036 can be divided by 12 positive divisors.
The sum of these divisors (counting 21971036) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011110100000001011100
3
Ternary
1112100020121002
4
Quaternary
1103310001130
5
Quinary
21111033121
6
Senary
2102525432
8
Octal
123640134
10
Decimal
21971036
12
Duodecimal
7436878
16
Hexadecimal
14f405c
20
Vigesimal
6h67bg
36
Base36
d2wyk
md5
e2bd819dd298d18ebaf5b97abf3dc639
sha1
5269c7c4a99b65b3d733acedf9d612875801c830
sha256
95a85922b9362e0c91fbc390be0951a91a98defcd7d9de55f33e068c6516a766
sha512
c837e01bc16c05beee57f01186594e029f0ad0f9a2b6ffe0e822a571692ae5858ff1898c52602554973fc353b81ae2fc0c1e78844074c577a81f12da867d9815
ripemd-160
4656ae0c89b20c41427cc194beddcccfcc1b61da
Diameter
43942072
Circumference
138048090.57871
Area
1.5165297839181E+15
Volume
4.4426307303382E+22
Surface area
6.0661191356724E+15
Circumference
138048090.57871
Perimeter
87884144
Area
482726422913296
Diagonal
31071737.090588
Surface area
2896358537479776
Volume
1.0605999615979E+22
Space diagonal
38054950.646925
Perimeter
65913108
Area
2.0902667266045E+14
Altitude
19027475.323462
Surface area
2.0902667266045E+14
Volume
1.2499290416201E+21
Height
10357245.696863