21065448 is an even 8-digits composite number following 21065447
and preceding 21065449 . In scientific notation, it is written as 2.1065448 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 6608640 positive integers (up to 21065448) that are relatively prime to 21065448.
21065448 has 32 divisors, whose sum is 55762560
The reverse of 21065448 is 84456012
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million sixty-five thousand four hundred forty-eight
Scientific notation
2.1065448 × 10^7
Engineering notation
2.1065448 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 17 × 51631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5266362
Product of the distinct prime numbers
The prime factorization of 21065448 is 2 × 2 × 2 × 3 × 17 × 51631.
Since it has a total of 6 prime factors.
7 , 3 , 36 , 68 , 532 , 610 , 9054 , 690 , 63928 , 22880 , 182385 , 19636 , 2955071 , 7531836 , 1569411 , 21182086 , 611355784 , 157881563 , 9972367733 , 868479269
n×2
42130896
n×3
63196344
n×4
84261792
n×5
105327240
n÷2
10532724
n÷3
7021816
n÷3
5266362
n÷5
4213089.6
n2
443753099440704
n3
9.347857841107E+21
n4
1.9691681326323E+29
n5
4.1481408901223E+36
2 √n
4589.7111020194
3 √n
276.17873321154
4 √n
67.747406607334
5 √n
29.155073454971
1 , 2 , 3 , 4 , 6 , 8 , 12 , 17 , 24 , 34 , 51 , 68 , 102 , 136 , 204 , 408 , 51631 , 103262 , 154893 , 206524 , 309786 , 413048 , 619572 , 877727 , 1239144 , 1755454 , 2633181 , 3510908 , 5266362 , 7021816 , 10532724 , 21065448
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
-21065447
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 21065448 can be divided by 32 positive divisors.
The sum of these divisors (counting 21065448) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000010110111011101000
3
Ternary
1110122020100210
4
Quaternary
1100112323220
5
Quinary
20343043243
6
Senary
2031301120
8
Octal
120267350
10
Decimal
21065448
12
Duodecimal
707a7a0
16
Hexadecimal
1416ee8
20
Vigesimal
6bd3c8
36
Base36
cji7c
md5
3bd3bdd17d604c9fbd53c700b392d89d
sha1
07f6da424b8786ca8b71ed12fd12ba0badfe44b3
sha256
aac1d830cfb543e68df1029114969d9c8972df78f4de5be36a3a01967dbc66db
sha512
6e9940190a0cb0325c6d20c60dc62d67c15509a5ab6bcfb01e55156f82b03c26feb5b5f158f9c4df26936c43d759529fe73e0fb6f33161b1eb25f33df1af72f4
ripemd-160
5b27feb140eb5faaeb7030509d48fe15360048ff
Diameter
42130896
Circumference
132358113.36276
Area
1.3940914772106E+15
Volume
3.9156215360565E+22
Surface area
5.5763659088425E+15
Circumference
132358113.36276
Perimeter
84261792
Area
443753099440704
Diagonal
29791042.259065
Surface area
2662518596644224
Volume
9.347857841107E+21
Space diagonal
36486426.2202
Perimeter
63196344
Area
1.9215072856187E+14
Altitude
18243213.1101
Surface area
1.9215072856187E+14
Volume
1.1016556115024E+21
Height
9930347.4196884