21494415 is an odd 8-digits composite number following 21494414
and preceding 21494416 . In scientific notation, it is written as 2.1494415 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 10647936 positive integers (up to 21494415) that are relatively prime to 21494415.
21494415 has 32 divisors, whose sum is 36910080
The reverse of 21494415 is 51449412
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-four thousand four hundred fifteen
Scientific notation
2.1494415 × 10^7
Engineering notation
2.1494415 × 10^6
Prime Factorization
3 × 5 × 19 × 53 × 1423
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21494415
Product of the distinct prime numbers
The prime factorization of 21494415 is 3 × 5 × 19 × 53 × 1423.
Since it has a total of 5 prime factors.
10 , 6 , 38 , 40 , 750 , 304 , 5798 , 9400 , 35839 , 95263 , 820207 , 535554 , 5510343 , 2473843 , 10325957 , 36552034 , 323383343 , 893004279 , 9118585670 , 4788523089
n×2
42988830
n×3
64483245
n×4
85977660
n×5
107472075
n÷2
10747207.5
n÷3
7164805
n÷3
5373603.75
n÷5
4298883
n2
462009876192225
n3
9.9306320129743E+21
n4
2.1345312569916E+29
n5
4.5880500668248E+36
2 √n
4636.2069625935
3 √n
278.04080883935
4 √n
68.089697918213
5 √n
29.272857994366
1 , 3 , 5 , 15 , 19 , 53 , 57 , 95 , 159 , 265 , 285 , 795 , 1007 , 1423 , 3021 , 4269 , 5035 , 7115 , 15105 , 21345 , 27037 , 75419 , 81111 , 135185 , 226257 , 377095 , 405555 , 1131285 , 1432961 , 4298883 , 7164805 , 21494415
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
-21494414
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 21494415 can be divided by 32 positive divisors.
The sum of these divisors (counting 21494415) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111101010001111
3
Ternary
1111110000210110
4
Quaternary
1101333222033
5
Quinary
21000310130
6
Senary
2044411103
8
Octal
121775217
10
Decimal
21494415
12
Duodecimal
7246a93
16
Hexadecimal
147fa8f
20
Vigesimal
6e6g0f
36
Base36
csp73
md5
a308b5636431cd14786dc7e790d21837
sha1
c448f47531a3a1a93756feb1802bc0d1b13722e5
sha256
8eba44cd4e7b22553b14a16bf4d9c967e1a2ee24f25c990d448ff1b89c31df14
sha512
d8125bc39184774185b07666d4ba244979e8874b0c4f43fcd3ba41f08bda000d17ac7fe750422754db7f880c00f02c433b128c59decd4494cac85dc7cc493a29
ripemd-160
f60e789758a89167194505469c167ec05a2c420b
Diameter
42988830
Circumference
135053392.51442
Area
1.4514468329314E+15
Volume
4.1597334103285E+22
Surface area
5.8057873317257E+15
Circumference
135053392.51442
Perimeter
85977660
Area
462009876192225
Diagonal
30397693.208276
Surface area
2772059257153350
Volume
9.9306320129743E+21
Space diagonal
37229418.858971
Perimeter
64483245
Area
2.0005614479089E+14
Altitude
18614709.429485
Surface area
2.0005614479089E+14
Volume
1.1703362063071E+21
Height
10132564.402759