21520005 is an odd 8-digits composite number following 21520004
and preceding 21520006 . In scientific notation, it is written as 2.1520005 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 10594368 positive integers (up to 21520005) that are relatively prime to 21520005.
21520005 has 16 divisors, whose sum is 37080960
The reverse of 21520005 is 50002512
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million five hundred twenty thousand five
Scientific notation
2.1520005 × 10^7
Engineering notation
2.1520005 × 10^6
Prime Factorization
3 × 13 × 5 × 110359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21520005
Product of the distinct prime numbers
The prime factorization of 21520005 is 3 × 13 × 5 × 110359.
Since it has a total of 4 prime factors.
5 , 3 , 85 , 31 , 433 , 410 , 9309 , 9288 , 68770 , 8998 , 941211 , 342991 , 4071763 , 9580702 , 8402855 , 6956575 , 650143581 , 957943142 , 8650938735 , 1863222123
n×2
43040010
n×3
64560015
n×4
86080020
n×5
107600025
n÷2
10760002.5
n÷3
7173335
n÷3
5380001.25
n÷5
4304001
n2
463110615200025
n3
9.9661427546576E+21
n4
2.1447144191095E+29
n5
4.6154265022808E+36
2 √n
4638.9659408105
3 √n
278.15110481733
4 √n
68.109954784969
5 √n
29.279824789791
1 , 3 , 5 , 13 , 15 , 39 , 65 , 195 , 110359 , 331077 , 551795 , 1434667 , 1655385 , 4304001 , 7173335 , 21520005
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
-21520004
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 21520005 can be divided by 16 positive divisors.
The sum of these divisors (counting 21520005) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000101111010000101
3
Ternary
1111111022220020
4
Quaternary
1102011322011
5
Quinary
21002120010
6
Senary
2045125353
8
Octal
122057205
10
Decimal
21520005
12
Duodecimal
7259859
16
Hexadecimal
1485e85
20
Vigesimal
6ea005
36
Base36
ct8xx
md5
080496ea32e95a295cb92fabc3ca1b7e
sha1
649ef243d003648913e51ba724006b638b90957b
sha256
600e77b47e374e6995329ef8f027fe1831ab3f0b2cf7d14a99a9b936d57459f8
sha512
f095ca80eedd8ee8a9c985a32e4b735905b170a86791b7ffbf1a79fe3f52390aeb3f0a52afa521c8f6bd5ad99d74a962138ec266d37c12824b654c3e65c9f210
ripemd-160
9f2939ada6e4d4ee97b43d287c2d29e20c4bc438
Diameter
43040010
Circumference
135214179.22643
Area
1.4549049065118E+15
Volume
4.1746081150213E+22
Surface area
5.8196196260474E+15
Circumference
135214179.22643
Perimeter
86080020
Area
463110615200025
Diagonal
30433882.933337
Surface area
2778663691200150
Volume
9.9661427546576E+21
Space diagonal
37273742.039136
Perimeter
64560015
Area
2.0053277876273E+14
Altitude
18636871.019568
Surface area
2.0053277876273E+14
Volume
1.1745211873486E+21
Height
10144627.644446