20921320 is an even 8-digits composite number following 20921319
and preceding 20921321 . In scientific notation, it is written as 2.0921320 × 10^7.
The sum of its digits is 19. It has a total of 6 prime factors and 32 positive divisors.
There are 7172928 positive integers (up to 20921320) that are relatively prime to 20921320.
20921320 has 32 divisors, whose sum is 53798400
The reverse of 20921320 is 02312902
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million nine hundred twenty-one thousand three hundred twenty
Scientific notation
2.0921320 × 10^7
Engineering notation
2.0921320 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 7 × 74719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5230330
Product of the distinct prime numbers
The prime factorization of 20921320 is 2 × 2 × 2 × 5 × 7 × 74719.
Since it has a total of 6 prime factors.
6 , 8 , 50 , 15 , 617 , 499 , 9909 , 5907 , 89159 , 43203 , 351762 , 206302 , 5960165 , 1760513 , 92272412 , 14644341 , 840454895 , 89159982 , 568339505 , 5287244101
n×2
41842640
n×3
62763960
n×4
83685280
n×5
104606600
n÷2
10460660
n÷3
6973773.3333333
n÷3
5230330
n÷5
4184264
n2
437701630542400
n3
9.1572958770993E+21
n4
1.9158271737948E+29
n5
4.0081633367656E+36
2 √n
4573.9829470605
3 √n
275.54742744938
4 √n
67.631227602791
5 √n
29.115068514892
1 , 2 , 4 , 5 , 7 , 8 , 10 , 14 , 20 , 28 , 35 , 40 , 56 , 70 , 140 , 280 , 74719 , 149438 , 298876 , 373595 , 523033 , 597752 , 747190 , 1046066 , 1494380 , 2092132 , 2615165 , 2988760 , 4184264 , 5230330 , 10460660 , 20921320
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
-20921319
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 20921320 can be divided by 32 positive divisors.
The sum of these divisors (counting 20921320) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111110011101111101000
3
Ternary
1110100220122201
4
Quaternary
1033303233220
5
Quinary
20323440240
6
Senary
2024225544
8
Octal
117635750
10
Decimal
20921320
12
Duodecimal
700b2b4
16
Hexadecimal
13f3be8
20
Vigesimal
6af360
36
Base36
cgezs
md5
d05adecc77e8d8460e032b9982f72745
sha1
45f29d3cba4e57c0df3004f933c846ce069473f8
sha256
915d1105fa65f00d5f98d23507fbd8fed62d85c4d87d611e3f2a883bb7edc575
sha512
14a0912451fa43190beadbf36dffc3a24de4941b86b57037b67a59a0add8461a54e4d26fdddaee931f0b4718c5af2072c84a76386dd42bdd3098c1eb1e9d556e
ripemd-160
4c51babd1ed40369af7ba4100dabc3a67b8d71d6
Diameter
41842640
Circumference
131452530.4308
Area
1.3750802269763E+15
Volume
3.8357991272324E+22
Surface area
5.5003209079051E+15
Circumference
131452530.4308
Perimeter
83685280
Area
437701630542400
Diagonal
29587214.486747
Surface area
2626209783254400
Volume
9.1572958770993E+21
Space diagonal
36236789.201407
Perimeter
62763960
Area
1.8953036566379E+14
Altitude
18118394.600703
Surface area
1.8953036566379E+14
Volume
1.0791976686714E+21
Height
9862404.8289158