21131480 is an even 8-digits composite number following 21131479
and preceding 21131481 . In scientific notation, it is written as 2.1131480 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 32 positive divisors.
There are 7970688 positive integers (up to 21131480) that are relatively prime to 21131480.
21131480 has 32 divisors, whose sum is 41610240
The reverse of 21131480 is 08413112
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one hundred thirty-one thousand four hundred eighty
Scientific notation
2.1131480 × 10^7
Engineering notation
2.1131480 × 10^6
Prime Factorization
2 × 2 × 2 × 515 × 23 × 223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5282870
Product of the distinct prime numbers
The prime factorization of 21131480 is 2 × 2 × 2 × 515 × 23 × 223.
Since it has a total of 6 prime factors.
4 , 2 , 5 , 45 , 229 , 546 , 4592 , 3175 , 69721 , 16853 , 766363 , 381334 , 5886175 , 9825082 , 74594335 , 67121299 , 133452793 , 899569786 , 3763642497 , 2288960942
n×2
42262960
n×3
63394440
n×4
84525920
n×5
105657400
n÷2
10565740
n÷3
7043826.6666667
n÷3
5282870
n÷5
4226296
n2
446539446990400
n3
9.4360393932887E+21
n4
1.9939747771849E+29
n5
4.2135638124588E+36
2 √n
4596.8989547302
3 √n
276.46700324664
4 √n
67.800434768003
5 √n
29.173328547186
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 223 , 446 , 515 , 892 , 1030 , 1784 , 2060 , 4120 , 5129 , 10258 , 11845 , 20516 , 23690 , 41032 , 47380 , 94760 , 114845 , 229690 , 459380 , 918760 , 2641435 , 5282870 , 10565740 , 21131480
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131479
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131480 can be divided by 32 positive divisors.
The sum of these divisors (counting 21131480) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100111000011011000
3
Ternary
1110202120221102
4
Quaternary
1100213003120
5
Quinary
20402201410
6
Senary
2032530532
8
Octal
120470330
10
Decimal
21131480
12
Duodecimal
70b0a48
16
Hexadecimal
14270d8
20
Vigesimal
6c18e0
36
Base36
ckx5k
md5
edc01bbf06846c75e12b8bf84854fd82
sha1
6c7336d2c7ff34b5d96c3d17c72b1d42bc6789d0
sha256
15e9f01dcff518bac5ee6ac67c1a8163a63c028527360c376d84c0ed245377ba
sha512
8e1805f9f768070d2aa1ece309e6c3d20115bec8cbb21ebc999d6affaec0943ef5ab2f941ccc9855e2fcf6f73aee1b4dd9181c86896de21621bbf4b726a0b391
ripemd-160
40e41f9baf7a24ada17885fd1d12edc5cd6fa6b0
Diameter
42262960
Circumference
132773004.65496
Area
1.4028450462031E+15
Volume
3.9525589382586E+22
Surface area
5.6113801848124E+15
Circumference
132773004.65496
Perimeter
84525920
Area
446539446990400
Diagonal
29884425.609016
Surface area
2679236681942400
Volume
9.4360393932887E+21
Space diagonal
36600796.999126
Perimeter
63394440
Area
1.9335725244277E+14
Altitude
18300398.499563
Surface area
1.9335725244277E+14
Volume
1.1120479070896E+21
Height
9961475.2030053