21551513 is an odd 8-digits composite number following 21551512
and preceding 21551514 . In scientific notation, it is written as 2.1551513 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 21524688 positive integers (up to 21551513) that are relatively prime to 21551513.
21551513 has 4 divisors, whose sum is 21578340
The reverse of 21551513 is 31515512
Previous prime number is 829
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million five hundred fifty-one thousand five hundred thirteen
Scientific notation
2.1551513 × 10^7
Engineering notation
2.1551513 × 10^6
Prime Factorization
829 × 25997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21551513
Product of the distinct prime numbers
The prime factorization of 21551513 is 829 × 25997.
Since it has a total of 2 prime factors.
4 , 2 , 70 , 8 , 216 , 489 , 4765 , 5452 , 20587 , 18623 , 674079 , 176948 , 1664317 , 1630807 , 81055138 , 64582936 , 81943730 , 650306025 , 166576759 , 6392977483
n×2
43103026
n×3
64654539
n×4
86206052
n×5
107757565
n÷2
10775756.5
n÷3
7183837.6666667
n÷3
5387878.25
n÷5
4310302.6
n2
464467712589169
n3
1.0009981945946E+22
n4
2.1573025603781E+29
n5
4.6493134174923E+36
2 √n
4642.3607141195
3 √n
278.28678804623
4 √n
68.134871498517
5 √n
29.288393643772
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
-21551512
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 21551513 can be divided by 4 positive divisors.
The sum of these divisors (counting 21551513) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101100110011001
3
Ternary
1111112221010012
4
Quaternary
1102031212121
5
Quinary
21004122023
6
Senary
2045531305
8
Octal
122154631
10
Decimal
21551513
12
Duodecimal
7273b35
16
Hexadecimal
148d999
20
Vigesimal
6edifd
36
Base36
ctx95
md5
faea22d2a4d0c94f68bf0c4a4b26bdcb
sha1
704c5ba102bc1aa56e84f121ab4a6d446a2332f2
sha256
ae4c067924c3b4639fa9caa468ef07733ce2954b08af9d400ce1dd707a2f3845
sha512
b61eb7648900a28e257a61dbbdc402044fb30c6283b7dca332e1c28e5728467076e5fba37590ff9029482801c771c98b5648e8607d39286c2bae643923a88127
ripemd-160
19502fd8f818a04d9beb47ffa4c4a56a920991a5
Diameter
43103026
Circumference
135412149.82909
Area
1.4591683536998E+15
Volume
4.1929714325266E+22
Surface area
5.8366734147992E+15
Circumference
135412149.82909
Perimeter
86206052
Area
464467712589169
Diagonal
30478441.97426
Surface area
2786806275535014
Volume
1.0009981945946E+22
Space diagonal
37328315.495981
Perimeter
64654539
Area
2.0112041916993E+14
Altitude
18664157.747991
Surface area
2.0112041916993E+14
Volume
1.1796876855889E+21
Height
10159480.658087