21491883 is an odd 8-digits composite number following 21491882
and preceding 21491884 . In scientific notation, it is written as 2.1491883 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 12281040 positive integers (up to 21491883) that are relatively prime to 21491883.
21491883 has 4 divisors, whose sum is 21833088
The reverse of 21491883 is 38819412
Previous prime number is 63
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety-one thousand eight hundred eighty-three
Scientific notation
2.1491883 × 10^7
Engineering notation
2.1491883 × 10^6
Prime Factorization
63 × 341141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21491883
Product of the distinct prime numbers
The prime factorization of 21491883 is 63 × 341141.
Since it has a total of 2 prime factors.
9 , 4 , 41 , 48 , 107 , 555 , 3495 , 9786 , 66030 , 89450 , 179724 , 426020 , 478783 , 8384455 , 58673654 , 95962124 , 574298586 , 469674400 , 7172330031 , 4809853805
n×2
42983766
n×3
64475649
n×4
85967532
n×5
107459415
n÷2
10745941.5
n÷3
7163961
n÷3
5372970.75
n÷5
4298376.6
n2
461901034885689
n3
9.9271229993421E+21
n4
2.1335256602847E+29
n5
4.5853483868337E+36
2 √n
4635.9338865001
3 √n
278.02989085634
4 √n
68.087692621355
5 √n
29.272168304797
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
-21491882
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 21491883 can be divided by 4 positive divisors.
The sum of these divisors (counting 21491883) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111000010101011
3
Ternary
1111102220022200
4
Quaternary
1101333002223
5
Quinary
21000220013
6
Senary
2044351243
8
Octal
121770253
10
Decimal
21491883
12
Duodecimal
7245523
16
Hexadecimal
147f0ab
20
Vigesimal
6e69e3
36
Base36
csn8r
md5
ff8d6760854bea2a61703a31c7072e96
sha1
64d882b752504b74de7c2b93b9df909f5cdb8549
sha256
960319b26d8dacb5b2b7eb922ce1b9f764ffcd393c2fe169b71ef84592444d50
sha512
16c22e4332993317ea1d7603639fe0ef9c8dd8fff225b4ad1c981b816ec115a71860fdebd5812490fa005866ab6262225783e92ed74bc507f12f62151bfada4a
ripemd-160
bc158d6767b075637b7c39be763f91b3575e4f85
Diameter
42983766
Circumference
135037483.48922
Area
1.4511048978824E+15
Volume
4.1582635581354E+22
Surface area
5.8044195915296E+15
Circumference
135037483.48922
Perimeter
85967532
Area
461901034885689
Diagonal
30394112.419536
Surface area
2771406209314134
Volume
9.9271229993421E+21
Space diagonal
37225033.306326
Perimeter
64475649
Area
2.0000901512266E+14
Altitude
18612516.653163
Surface area
2.0000901512266E+14
Volume
1.1699226650846E+21
Height
10131370.806512