21494620 is an even 8-digits composite number following 21494619
and preceding 21494621 . In scientific notation, it is written as 2.1494620 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 7369536 positive integers (up to 21494620) that are relatively prime to 21494620.
21494620 has 24 divisors, whose sum is 51587424
The reverse of 21494620 is 02649412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety-four thousand six hundred twenty
Scientific notation
2.1494620 × 10^7
Engineering notation
2.1494620 × 10^6
Prime Factorization
2 × 2 × 5 × 7 × 153533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10747310
Product of the distinct prime numbers
The prime factorization of 21494620 is 2 × 2 × 5 × 7 × 153533.
Since it has a total of 5 prime factors.
3 , 3 , 58 , 30 , 193 , 336 , 5662 , 4009 , 56774 , 99772 , 625759 , 848676 , 9309818 , 2167806 , 54886407 , 99902643 , 241015724 , 50090916 , 8152945135 , 9121514585
n×2
42989240
n×3
64483860
n×4
85978480
n×5
107473100
n÷2
10747310
n÷3
7164873.3333333
n÷3
5373655
n÷5
4298924
n2
462018688944400
n3
9.9309161517581E+21
n4
2.134612689339E+29
n5
4.588268860452E+36
2 √n
4636.229071131
3 √n
278.04169276175
4 √n
68.089860266643
5 √n
29.272913831318
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 153533 , 307066 , 614132 , 767665 , 1074731 , 1535330 , 2149462 , 3070660 , 4298924 , 5373655 , 10747310 , 21494620
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
-21494619
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 21494620 can be divided by 24 positive divisors.
The sum of these divisors (counting 21494620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111111101101011100
3
Ternary
1111110001002001
4
Quaternary
1101333231130
5
Quinary
21000311440
6
Senary
2044412044
8
Octal
121775534
10
Decimal
21494620
12
Duodecimal
7247024
16
Hexadecimal
147fb5c
20
Vigesimal
6e6gb0
36
Base36
cspcs
md5
44d3c0229a65c2e81880f98e6a355878
sha1
40ad415b2595275f3d891d1ed4db8d8475655054
sha256
41de0f02799f974d8c3eba5f40832aff305f3b17e3eea41dda0bfd040b6af4c6
sha512
bb227b7f001fc7750f9a0d95b52be88ef6c8dd71cc51feccaddd515286dbd4832063503ede47a59747493fc9bac328d12c4f3305cbbee9b199145cb58d2895e8
ripemd-160
373141be22a14172b31f355d4822c735fd4471c6
Diameter
42989240
Circumference
135054680.56741
Area
1.4514745190089E+15
Volume
4.1598524301039E+22
Surface area
5.8058980760357E+15
Circumference
135054680.56741
Perimeter
85978480
Area
462018688944400
Diagonal
30397983.122056
Surface area
2772112133666400
Volume
9.9309161517581E+21
Space diagonal
37229773.929386
Perimeter
64483860
Area
2.0005996082452E+14
Altitude
18614886.964693
Surface area
2.0005996082452E+14
Volume
1.1703696923839E+21
Height
10132661.040685