21489061 is an odd 8-digits composite number following 21489060
and preceding 21489062 . In scientific notation, it is written as 2.1489061 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 18532800 positive integers (up to 21489061) that are relatively prime to 21489061.
21489061 has 16 divisors, whose sum is 24663168
The reverse of 21489061 is 16098412
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred eighty-nine thousand sixty-one
Scientific notation
2.1489061 × 10^7
Engineering notation
2.1489061 × 10^6
Prime Factorization
11 × 23 × 157 × 541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21489061
Product of the distinct prime numbers
The prime factorization of 21489061 is 11 × 23 × 157 × 541.
Since it has a total of 4 prime factors.
5 , 10 , 48 , 23 , 1000 , 256 , 4471 , 1502 , 29085 , 3010 , 643896 , 543922 , 5842524 , 1005014 , 67607430 , 98903752 , 823503547 , 886052240 , 1467079765 , 9237721981
n×2
42978122
n×3
64467183
n×4
85956244
n×5
107445305
n÷2
10744530.5
n÷3
7163020.3333333
n÷3
5372265.25
n÷5
4297812.2
n2
461779742661721
n3
9.923213058622E+21
n4
2.1324053073273E+29
n5
4.5823387725879E+36
2 √n
4635.6295149634
3 √n
278.01772138295
4 √n
68.085457441097
5 √n
29.271399545746
1 , 11 , 23 , 157 , 253 , 541 , 1727 , 3611 , 5951 , 12443 , 39721 , 84937 , 136873 , 934307 , 1953551 , 21489061
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21489060
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21489061 can be divided by 16 positive divisors.
The sum of these divisors (counting 21489061) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110010110100101
3
Ternary
1111102202110011
4
Quaternary
1101332112211
5
Quinary
21000122221
6
Senary
2044330221
8
Octal
121762645
10
Decimal
21489061
12
Duodecimal
7243971
16
Hexadecimal
147e5a5
20
Vigesimal
6e62d1
36
Base36
csl2d
md5
cd61dab8393319ef92ce100f6929f289
sha1
967aa0cbf2df3655c21e13dadfe18cd4f27d75c9
sha256
c2868cf254de2255350f716d07f854739486c678962ac81c1640e083b0a41094
sha512
4b7f35a57b1a42d514e921f1bae90c1316117707c95728497bf81fa13809d04ee40eba4c1de71ac089de371b3cbe023e1c088d6a96552b1ee46ab88757e5a5db
ripemd-160
1e0c61b7079f471420eb8a2ee0995d9e7ce98b2e
Diameter
42978122
Circumference
135019752.34029
Area
1.4507238471226E+15
Volume
4.1566257659964E+22
Surface area
5.8028953884906E+15
Circumference
135019752.34029
Perimeter
85956244
Area
461779742661721
Diagonal
30390121.508863
Surface area
2770678455970326
Volume
9.923213058622E+21
Space diagonal
37220145.458947
Perimeter
64467183
Area
1.9995649404905E+14
Altitude
18610072.729473
Surface area
1.9995649404905E+14
Volume
1.1694618741518E+21
Height
10130040.502954