21002382 is an even 8-digits composite number following 21002381
and preceding 21002383 . In scientific notation, it is written as 2.1002382 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 7000776 positive integers (up to 21002382) that are relatively prime to 21002382.
21002382 has 8 divisors, whose sum is 32670456
The reverse of 21002382 is 28320012
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million two thousand three hundred eighty-two
Scientific notation
2.1002382 × 10^7
Engineering notation
2.1002382 × 10^6
Prime Factorization
2 × 27 × 388933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21002382
Product of the distinct prime numbers
The prime factorization of 21002382 is 2 × 27 × 388933.
Since it has a total of 3 prime factors.
9 , 8 , 20 , 60 , 721 , 344 , 8003 , 8690 , 37558 , 21481 , 778481 , 728917 , 1182347 , 3609442 , 54740400 , 57700961 , 359172913 , 397878371 , 4899948156 , 2693491958
n×2
42004764
n×3
63007146
n×4
84009528
n×5
105011910
n÷2
10501191
n÷3
7000794
n÷3
5250595.5
n÷5
4200476.4
n2
441100049673924
n3
9.2641517434707E+21
n4
1.9456925382234E+29
n5
4.0864177942317E+36
2 √n
4582.8355850936
3 √n
275.90284860467
4 √n
67.696643824444
5 √n
29.137595547947
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21002381
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21002382 can be divided by 8 positive divisors.
The sum of these divisors (counting 21002382) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111100010001110
3
Ternary
1110112000212000
4
Quaternary
1100013202032
5
Quinary
20334034012
6
Senary
2030053130
8
Octal
120074216
10
Decimal
21002382
12
Duodecimal
704a1a6
16
Hexadecimal
140788e
20
Vigesimal
6b55j2
36
Base36
ci5ji
md5
4240a9d1f609ef3357d322b38a26dd09
sha1
b3a6e9f679956ee389151936a12efa8b3a8088eb
sha256
570eab5012a07ad7a5c699575c99e11c67a7f4cf6ea63ee8e05d0cfe0182beba
sha512
7deb35e5b46c3357c151ae8ee98b0f1ab56e9f49106e38d5a438a58251927ff081bef553df0dd92702b2f3d69f4d3418d0a4c061994165f73c40bc552c765f0b
ripemd-160
9febb11bf4450d2c1f6f9ab139b6ac1b08cbefa4
Diameter
42004764
Circumference
131961857.99817
Area
1.3857566755537E+15
Volume
3.8805588078705E+22
Surface area
5.5430267022148E+15
Circumference
131961857.99817
Perimeter
84009528
Area
441100049673924
Diagonal
29701853.466541
Surface area
2646600298043544
Volume
9.2641517434707E+21
Space diagonal
36377192.70397
Perimeter
63007146
Area
1.910019243141E+14
Altitude
18188596.351985
Surface area
1.910019243141E+14
Volume
1.0917907532916E+21
Height
9900617.8221802