21479975 is an odd 8-digits composite number following 21479974
and preceding 21479976 . In scientific notation, it is written as 2.1479975 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 14796000 positive integers (up to 21479975) that are relatively prime to 21479975.
21479975 has 24 divisors, whose sum is 30593280
The reverse of 21479975 is 57997412
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million four hundred seventy-nine thousand nine hundred seventy-five
Scientific notation
2.1479975 × 10^7
Engineering notation
2.1479975 × 10^6
Prime Factorization
5 × 11 × 5 × 19 × 4111
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4295995
Product of the distinct prime numbers
The prime factorization of 21479975 is 5 × 11 × 5 × 19 × 4111.
Since it has a total of 5 prime factors.
10 , 2 , 68 , 41 , 635 , 203 , 9812 , 7419 , 16787 , 16627 , 289877 , 787845 , 1473292 , 4356077 , 83115421 , 89186915 , 22857580 , 820448485 , 7553176488 , 2002255317
n×2
42959950
n×3
64439925
n×4
85919900
n×5
107399875
n÷2
10739987.5
n÷3
7159991.6666667
n÷3
5369993.75
n÷5
4295995
n2
461389326000625
n3
9.9106311877603E+21
n4
2.1288011014731E+29
n5
4.5726594439615E+36
2 √n
4634.6493934277
3 √n
277.97853206202
4 √n
68.078259330184
5 √n
29.268923821665
1 , 5 , 11 , 19 , 25 , 55 , 95 , 209 , 275 , 475 , 1045 , 4111 , 5225 , 20555 , 45221 , 78109 , 102775 , 226105 , 390545 , 859199 , 1130525 , 1952725 , 4295995 , 21479975
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21479974
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21479975 can be divided by 24 positive divisors.
The sum of these divisors (counting 21479975) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111100001000100111
3
Ternary
1111102021222122
4
Quaternary
1101330020213
5
Quinary
20444324400
6
Senary
2044220155
8
Octal
121741047
10
Decimal
21479975
12
Duodecimal
723a65b
16
Hexadecimal
147c227
20
Vigesimal
6e4jif
36
Base36
cse1z
md5
93a4512ec9b1e67098464dd2344ec26c
sha1
a0d106686417dc5b0e586e06e374e1bf2b9011d0
sha256
efa7f7b30f10c576c6773b74311c3ee88d77ce16ac4fe5118467a44b472eb59e
sha512
b2b5ff1ad700ecf5c6b35b9eddcb0b3422130115082146e8a4995a544d24e57e12f84de63674dd8d56fe5598a819295654e3de3589e61e1d7b70ba0f6f38c2b3
ripemd-160
d670d1d0ae8322b16c1881dcf23204e0ddc71ebf
Diameter
42959950
Circumference
134962663.31858
Area
1.4494973170083E+15
Volume
4.1513554842541E+22
Surface area
5.7979892680332E+15
Circumference
134962663.31858
Perimeter
85919900
Area
461389326000625
Diagonal
30377271.964435
Surface area
2768335956003750
Volume
9.9106311877603E+21
Space diagonal
37204408.045309
Perimeter
64439925
Area
1.9978743867576E+14
Altitude
18602204.022655
Surface area
1.9978743867576E+14
Volume
1.1679790864507E+21
Height
10125757.321478