21487316 is an even 8-digits composite number following 21487315
and preceding 21487317 . In scientific notation, it is written as 2.1487316 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 10732800 positive integers (up to 21487316) that are relatively prime to 21487316.
21487316 has 12 divisors, whose sum is 37640820
The reverse of 21487316 is 61378412
Previous prime number is 1301
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred eighty-seven thousand three hundred sixteen
Scientific notation
2.1487316 × 10^7
Engineering notation
2.1487316 × 10^6
Prime Factorization
2 × 2 × 1301 × 4129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10743658
Product of the distinct prime numbers
The prime factorization of 21487316 is 2 × 2 × 1301 × 4129.
Since it has a total of 4 prime factors.
10 , 4 , 21 , 55 , 525 , 621 , 3022 , 2976 , 99029 , 55188 , 222960 , 248801 , 8115295 , 8018117 , 34940499 , 37816885 , 177583083 , 981753393 , 9663870165 , 617900699
n×2
42974632
n×3
64461948
n×4
85949264
n×5
107436580
n÷2
10743658
n÷3
7162438.6666667
n÷3
5371829
n÷5
4297463.2
n2
461704748883856
n3
9.9207958379681E+21
n4
2.131712751419E+29
n5
4.580478551097E+36
2 √n
4635.4412950657
3 √n
278.01019578568
4 √n
68.084075194319
5 √n
29.270924138734
1 , 2 , 4 , 1301 , 2602 , 4129 , 5204 , 8258 , 16516 , 5371829 , 10743658 , 21487316
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
-21487315
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 21487316 can be divided by 12 positive divisors.
The sum of these divisors (counting 21487316) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111101111011010100
3
Ternary
1111102200001112
4
Quaternary
1101331323110
5
Quinary
21000043231
6
Senary
2044314152
8
Octal
121757324
10
Decimal
21487316
12
Duodecimal
7242958
16
Hexadecimal
147ded4
20
Vigesimal
6e5i5g
36
Base36
csjpw
md5
4fc2d2cd2e667f886d0b28a665464abd
sha1
8285c1352bdb1126c12704cb25e8eeffcb72b8c5
sha256
98271a63443573bebdccd8cf9839702f21dc0759fb5bec0afdb9ff03c55b3f4f
sha512
2902b261aab24d711226c6c07c6eebcded23b30cc8f3feed488111a555048de2e00cbed834a068db57e48915cedc23bfb0800507d4021cb39665d51cd11aa1ca
ripemd-160
7adff369e95b4a131f39a0800190ccdecbd3e42e
Diameter
42974632
Circumference
135008788.18192
Area
1.450488247221E+15
Volume
4.1556132429766E+22
Surface area
5.8019529888842E+15
Circumference
135008788.18192
Perimeter
85949264
Area
461704748883856
Diagonal
30387653.706196
Surface area
2770228493303136
Volume
9.9207958379681E+21
Space diagonal
37217123.030288
Perimeter
64461948
Area
1.9992402079067E+14
Altitude
18608561.515144
Surface area
1.9992402079067E+14
Volume
1.1691770019657E+21
Height
10129217.902065