21920123 is an odd 8-digits composite number following 21920122
and preceding 21920124 . In scientific notation, it is written as 2.1920123 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 20594304 positive integers (up to 21920123) that are relatively prime to 21920123.
21920123 has 8 divisors, whose sum is 23250528
The reverse of 21920123 is 32102912
Previous prime number is 1213
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million nine hundred twenty thousand one hundred twenty-three
Scientific notation
2.1920123 × 10^7
Engineering notation
2.1920123 × 10^6
Prime Factorization
17 × 1213 × 1063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21920123
Product of the distinct prime numbers
The prime factorization of 21920123 is 17 × 1213 × 1063.
Since it has a total of 3 prime factors.
5 , 9 , 57 , 68 , 36 , 746 , 6306 , 1611 , 79494 , 86472 , 178354 , 556338 , 3373790 , 9318585 , 4286756 , 54510484 , 735923829 , 920857759 , 4547380304 , 2072286961
n×2
43840246
n×3
65760369
n×4
87680492
n×5
109600615
n÷2
10960061.5
n÷3
7306707.6666667
n÷3
5480030.75
n÷5
4384024.6
n2
480491792335129
n3
1.0532439188476E+22
n4
2.3087236250142E+29
n5
5.0607505833318E+36
2 √n
4681.8931000184
3 √n
279.86440288166
4 √n
68.424360428274
5 √n
29.387902975984
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21920122
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21920123 can be divided by 8 positive divisors.
The sum of these divisors (counting 21920123) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011100111100101111011
3
Ternary
1112020122202102
4
Quaternary
1103213211323
5
Quinary
21102420443
6
Senary
2101454015
8
Octal
123474573
10
Decimal
21920123
12
Duodecimal
741130b
16
Hexadecimal
14e797b
20
Vigesimal
6h0063
36
Base36
d1tob
md5
416e6c27a038e16ab678c429db617769
sha1
9f18fbca3bdf8a507a6bb8fb0fac72235b63ba2f
sha256
62acce376d7e69989ab537ab867270394311fc3ff1b28b9b671468393226f6ca
sha512
def81b2f6d6ef03cc271a5bd4edcde4bb7ce6e87a3e53625a77c453aea9c52d5be7578aab75b3bb014581ee8678bf48ed8e834965390f0df09e7615dc2c5d5b8
ripemd-160
12e137e817ec0800d0cd90204197420b2b18bf9c
Diameter
43840246
Circumference
137728194.76517
Area
1.5095094849102E+15
Volume
4.4118178105199E+22
Surface area
6.0380379396409E+15
Circumference
137728194.76517
Perimeter
87680492
Area
480491792335129
Diagonal
30999735.235486
Surface area
2882950754010774
Volume
1.0532439188476E+22
Space diagonal
37966766.744159
Perimeter
65760369
Area
2.0805904923607E+14
Altitude
18983383.37208
Surface area
2.0805904923607E+14
Volume
1.2412598621011E+21
Height
10333245.078495