21131859 is an odd 8-digits composite number following 21131858
and preceding 21131860 . In scientific notation, it is written as 2.1131859 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12075336 positive integers (up to 21131859) that are relatively prime to 21131859.
21131859 has 8 divisors, whose sum is 32200960
The reverse of 21131859 is 95813112
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred thirty-one thousand eight hundred fifty-nine
Scientific notation
2.1131859 × 10^7
Engineering notation
2.1131859 × 10^6
Prime Factorization
3 × 7 × 1006279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21131859
Product of the distinct prime numbers
The prime factorization of 21131859 is 3 × 7 × 1006279.
Since it has a total of 3 prime factors.
2 , 4 , 63 , 96 , 138 , 975 , 9351 , 9030 , 90031 , 78937 , 120990 , 542209 , 7325275 , 9307080 , 89586251 , 34201339 , 871961119 , 968583979 , 7212879352 , 3592326456
n×2
42263718
n×3
63395577
n×4
84527436
n×5
105659295
n÷2
10565929.5
n÷3
7043953
n÷3
5282964.75
n÷5
4226371.8
n2
446555464795881
n3
9.436547117746E+21
n4
1.9941178313907E+29
n5
4.2139416842333E+36
2 √n
4596.940177988
3 √n
276.46865607878
4 √n
67.800738771697
5 √n
29.173433193072
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
-21131858
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 21131859 can be divided by 8 positive divisors.
The sum of these divisors (counting 21131859) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111001001010011
3
Ternary
1110202121110110
4
Quaternary
1100213021103
5
Quinary
20402204414
6
Senary
2032532403
8
Octal
120471123
10
Decimal
21131859
12
Duodecimal
70b1103
16
Hexadecimal
1427253
20
Vigesimal
6c19cj
36
Base36
ckxg3
md5
5de8e46b3f1348ab6b80e730bf5113ff
sha1
0ef1f9d9281b01b9f1e937c70394e92af7d4a59b
sha256
e9409d4dd2919ace70c68f041011b7e3a350707b8bcb2f446ec62151c0078b1b
sha512
4e11f799b5b6f1fa838f4c1f6e125e427d1801f75b5c364f66bc3e3957300c11149bc588a466df016b3b73cc62a43f3304ab27b69727262048c02ac237455771
ripemd-160
5cbb4ac85ea83fc2e43f6fe7031b80a704179c94
Diameter
42263718
Circumference
132775385.98219
Area
1.4028953676231E+15
Volume
3.952771613382E+22
Surface area
5.6115814704925E+15
Circumference
132775385.98219
Perimeter
84527436
Area
446555464795881
Diagonal
29884961.595956
Surface area
2679332788775286
Volume
9.436547117746E+21
Space diagonal
36601453.446382
Perimeter
63395577
Area
1.93364188356E+14
Altitude
18300726.723191
Surface area
1.93364188356E+14
Volume
1.1121077429908E+21
Height
9961653.8653187