21494470 is an even 8-digits composite number following 21494469
and preceding 21494471 . In scientific notation, it is written as 2.1494470 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8320320 positive integers (up to 21494470) that are relatively prime to 21494470.
21494470 has 16 divisors, whose sum is 39938688
The reverse of 21494470 is 07449412
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-four thousand four hundred seventy
Scientific notation
2.1494470 × 10^7
Engineering notation
2.1494470 × 10^6
Prime Factorization
2 × 5 × 31 × 69337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494470
Product of the distinct prime numbers
The prime factorization of 21494470 is 2 × 5 × 31 × 69337.
Since it has a total of 4 prime factors.
10 , 3 , 26 , 98 , 460 , 695 , 3645 , 9185 , 41315 , 37461 , 359801 , 461493 , 9884129 , 8236726 , 87222282 , 2898224 , 410626328 , 88632830 , 834009809 , 7517995630
n×2
42988940
n×3
64483410
n×4
85977880
n×5
107472350
n÷2
10747235
n÷3
7164823.3333333
n÷3
5373617.5
n÷5
4298894
n2
462012240580900
n3
9.9307082447989E+21
n4
2.1345531044658E+29
n5
4.5881087667348E+36
2 √n
4636.2128941626
3 √n
278.04104598981
4 √n
68.089741475223
5 √n
29.272872975054
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 69337 , 138674 , 346685 , 693370 , 2149447 , 4298894 , 10747235 , 21494470
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494469
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494470 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494470) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111101011000110
3
Ternary
1111110000212111
4
Quaternary
1101333223012
5
Quinary
21000310340
6
Senary
2044411234
8
Octal
121775306
10
Decimal
21494470
12
Duodecimal
7246b1a
16
Hexadecimal
147fac6
20
Vigesimal
6e6g3a
36
Base36
csp8m
md5
6549aeb51e2260292e1954d3cf19fadb
sha1
ade4c29a0a0928193b7870c8b65347f96e2627df
sha256
6e73fcc32ba291998912ac2ae548b993976e5b71b83e00301a16eaec00274952
sha512
94bbd8b65d1c227ca10968b2e665e68358b1e31fe4852b9ab47c62189f292134a9e537b5d47b35cc39a35fa9a4046b7fc4b52098dad06dc28775bc995f36fb97
ripemd-160
2186ffa1dc920910db433ef4f13472436e961b07
Diameter
42988940
Circumference
135053738.08961
Area
1.4514542608775E+15
Volume
4.1597653422405E+22
Surface area
5.8058170435101E+15
Circumference
135053738.08961
Perimeter
85977880
Area
462012240580900
Diagonal
30397770.990022
Surface area
2772073443485400
Volume
9.9307082447989E+21
Space diagonal
37229514.121765
Perimeter
64483410
Area
2.0005716860121E+14
Altitude
18614757.060883
Surface area
2.0005716860121E+14
Volume
1.1703451903137E+21
Height
10132590.330007