21083971 is an odd 8-digits composite number following 21083970
and preceding 21083972 . In scientific notation, it is written as 2.1083971 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 21070000 positive integers (up to 21083971) that are relatively prime to 21083971.
21083971 has 4 divisors, whose sum is 21097944
The reverse of 21083971 is 17938012
Previous prime number is 1721
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-three thousand nine hundred seventy-one
Scientific notation
2.1083971 × 10^7
Engineering notation
2.1083971 × 10^6
Prime Factorization
1721 × 12251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21083971
Product of the distinct prime numbers
The prime factorization of 21083971 is 1721 × 12251.
Since it has a total of 2 prime factors.
10 , 8 , 52 , 12 , 203 , 994 , 2402 , 9961 , 44117 , 96548 , 177135 , 991516 , 4844103 , 7686094 , 88191848 , 74763911 , 160550610 , 254266755 , 8855903 , 2200014132
n×2
42167942
n×3
63251913
n×4
84335884
n×5
105419855
n÷2
10541985.5
n÷3
7027990.3333333
n÷3
5270992.75
n÷5
4216794.2
n2
444533833128841
n3
9.3725384462073E+21
n4
1.9761032879622E+29
n5
4.16641044164E+36
2 √n
4591.7285416279
3 √n
276.25965814598
4 √n
67.762294394655
5 √n
29.160198905724
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
-21083970
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 21083971 can be divided by 4 positive divisors.
The sum of these divisors (counting 21083971) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011011011101000011
3
Ternary
1110200011202211
4
Quaternary
1100123131003
5
Quinary
20344141341
6
Senary
2031522551
8
Octal
120333503
10
Decimal
21083971
12
Duodecimal
7089457
16
Hexadecimal
141b743
20
Vigesimal
6bf9ib
36
Base36
cjwhv
md5
a11f35c65c4b1828b14c6a947ff96fd3
sha1
d258c7b209986dae0e7523498e7d6966f3dbe530
sha256
488440e0f2bcf8c2518d61ef0b226467c9279fd40935257e9927ccec09326a7b
sha512
9126f5f928e62679c58d9389a44ad50d0d8c58cb46d6448766fb40ca48e2a837d9a5995beeac57c465f6557d5b240d0e9a48b53f1b5f73dd129a08914817d2d4
ripemd-160
58a5d063625f465e97f0b41fcd584484364ceed1
Diameter
42167942
Circumference
132474496.8042
Area
1.3965442244297E+15
Volume
3.9259597237457E+22
Surface area
5.5861768977187E+15
Circumference
132474496.8042
Perimeter
84335884
Area
444533833128841
Diagonal
29817237.736881
Surface area
2667202998773046
Volume
9.3725384462073E+21
Space diagonal
36518508.997309
Perimeter
63251913
Area
1.9248879616562E+14
Altitude
18259254.498654
Surface area
1.9248879616562E+14
Volume
1.1045642487075E+21
Height
9939079.245627