21954920 is an even 8-digits composite number following 21954919
and preceding 21954921 . In scientific notation, it is written as 2.1954920 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 8106240 positive integers (up to 21954920) that are relatively prime to 21954920.
21954920 has 32 divisors, whose sum is 53199720
The reverse of 21954920 is 02945912
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million nine hundred fifty-four thousand nine hundred twenty
Scientific notation
2.1954920 × 10^7
Engineering notation
2.1954920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 13 × 42221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5488730
Product of the distinct prime numbers
The prime factorization of 21954920 is 2 × 2 × 2 × 5 × 13 × 42221.
Since it has a total of 6 prime factors.
2 , 5 , 86 , 61 , 82 , 865 , 5149 , 4947 , 42326 , 35369 , 156399 , 48003 , 802424 , 8736899 , 42940451 , 89222276 , 615227431 , 176152214 , 5110089438 , 3280403104
n×2
43909840
n×3
65864760
n×4
87819680
n×5
109774600
n÷2
10977460
n÷3
7318306.6666667
n÷3
5488730
n÷5
4390984
n2
482018512206400
n3
1.0582677874011E+22
n4
2.3234184610967E+29
n5
5.1010466439901E+36
2 √n
4685.6077514022
3 √n
280.01241441556
4 √n
68.451499263363
5 √n
29.397227395761
1 , 2 , 4 , 5 , 8 , 10 , 13 , 20 , 26 , 40 , 52 , 65 , 104 , 130 , 260 , 520 , 42221 , 84442 , 168884 , 211105 , 337768 , 422210 , 548873 , 844420 , 1097746 , 1688840 , 2195492 , 2744365 , 4390984 , 5488730 , 10977460 , 21954920
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
-21954919
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 21954920 can be divided by 32 positive divisors.
The sum of these divisors (counting 21954920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010011110000000101101000
3
Ternary
1112022102111012
4
Quaternary
1103300011220
5
Quinary
21110024140
6
Senary
2102323052
8
Octal
123600550
10
Decimal
21954920
12
Duodecimal
7429488
16
Hexadecimal
14f0168
20
Vigesimal
6h4760
36
Base36
d2kiw
md5
a1e2e8af5b7653db15d41e34b6e48336
sha1
21a94fd1297c930203c2d2f9f9d63b6b425124c1
sha256
f10c4bd459f715d4f4676e48ab250bc4ffac14292bc1bae35fa88b49dba12e3e
sha512
25a34cf992adc1b280eefc0152a28c384cc1073fa8a363b83ff777f71801e3b4fafb6b6277c1d2ac274c0414576a316a044a5c1a135f007d8f40fb2ead9525f6
ripemd-160
d724e919df0c720c178bf6125b25889c9777a188
Diameter
43909840
Circumference
137946830.7643
Area
1.5143058168419E+15
Volume
4.4328617419065E+22
Surface area
6.0572232673676E+15
Circumference
137946830.7643
Perimeter
87819680
Area
482018512206400
Diagonal
31048945.624816
Surface area
2892111073238400
Volume
1.0582677874011E+22
Space diagonal
38027036.91611
Perimeter
65864760
Area
2.0872013833256E+14
Altitude
19013518.458055
Surface area
2.0872013833256E+14
Volume
1.2471805479709E+21
Height
10349648.541605