21494520 is an even 8-digits composite number following 21494519
and preceding 21494521 . In scientific notation, it is written as 2.1494520 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 5731776 positive integers (up to 21494520) that are relatively prime to 21494520.
21494520 has 32 divisors, whose sum is 53737200
The reverse of 21494520 is 02549412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred ninety-four thousand five hundred twenty
Scientific notation
2.1494520 × 10^7
Engineering notation
2.1494520 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 5 × 59707
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5373630
Product of the distinct prime numbers
The prime factorization of 21494520 is 2 × 2 × 2 × 9 × 5 × 59707.
Since it has a total of 6 prime factors.
6 , 10 , 49 , 99 , 490 , 530 , 8415 , 9001 , 99792 , 96548 , 636499 , 530104 , 3144031 , 2922357 , 39953299 , 20904726 , 461983310 , 184608054 , 2887638293 , 1155897985
n×2
42989040
n×3
64483560
n×4
85978080
n×5
107472600
n÷2
10747260
n÷3
7164840
n÷3
5373630
n÷5
4298904
n2
462014390030400
n3
9.9307775467962E+21
n4
2.1345729659516E+29
n5
4.5881621308107E+36
2 √n
4636.2182864917
3 √n
278.04126158079
4 √n
68.089781072432
5 √n
29.272886593834
1 , 2 , 4 , 5 , 8 , 9 , 10 , 18 , 20 , 36 , 40 , 45 , 72 , 90 , 180 , 360 , 59707 , 119414 , 238828 , 298535 , 477656 , 537363 , 597070 , 1074726 , 1194140 , 2149452 , 2388280 , 2686815 , 4298904 , 5373630 , 10747260 , 21494520
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
-21494519
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 21494520 can be divided by 32 positive divisors.
The sum of these divisors (counting 21494520) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111101011111000
3
Ternary
1111110000221100
4
Quaternary
1101333223320
5
Quinary
21000311040
6
Senary
2044411400
8
Octal
121775370
10
Decimal
21494520
12
Duodecimal
7246b60
16
Hexadecimal
147faf8
20
Vigesimal
6e6g60
36
Base36
cspa0
md5
d3395c03531d2af8fcd5c887e1a24d6c
sha1
a26703a1d174ca27a3fec6a3950063d8d71fbe53
sha256
65acb1f447f92738bf0f00b67689e5bc70eb3635246921b78211872fd0c7ee2f
sha512
f80c837f6a9431d72a8cca7c63c9a77a4c2f34a53a3ec33b809a775c040c45f60e2a12a67ffe7e9e5de0aa2034b082c6c8b5c06097afcb38378b08e7d0fe806e
ripemd-160
2757fa7b8e8c4878dcee35001696f350fd18c8a0
Diameter
42989040
Circumference
135054052.24888
Area
1.4514610135723E+15
Volume
4.1597943713933E+22
Surface area
5.8058440542891E+15
Circumference
135054052.24888
Perimeter
85978080
Area
462014390030400
Diagonal
30397841.7007
Surface area
2772086340182400
Volume
9.9307775467962E+21
Space diagonal
37229600.724305
Perimeter
64483560
Area
2.0005809934015E+14
Altitude
18614800.362153
Surface area
2.0005809934015E+14
Volume
1.1703533576325E+21
Height
10132613.900233