21084938 is an even 8-digits composite number following 21084937
and preceding 21084939 . In scientific notation, it is written as 2.1084938 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 9006000 positive integers (up to 21084938) that are relatively prime to 21084938.
21084938 has 16 divisors, whose sum is 36267264
The reverse of 21084938 is 83948012
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eighty-four thousand nine hundred thirty-eight
Scientific notation
2.1084938 × 10^7
Engineering notation
2.1084938 × 10^6
Prime Factorization
2 × 7 × 317 × 4751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21084938
Product of the distinct prime numbers
The prime factorization of 21084938 is 2 × 7 × 317 × 4751.
Since it has a total of 4 prime factors.
10 , 8 , 29 , 73 , 260 , 176 , 1753 , 7652 , 68622 , 36053 , 715481 , 18306 , 5182258 , 7948251 , 16600337 , 12195433 , 513456306 , 350720886 , 1194854933 , 6032548899
n×2
42169876
n×3
63254814
n×4
84339752
n×5
105424690
n÷2
10542469
n÷3
7028312.6666667
n÷3
5271234.5
n÷5
4216987.6
n2
444574610463844
n3
9.3738280980043E+21
n4
1.9764658426908E+29
n5
4.1673659752253E+36
2 √n
4591.8338384571
3 √n
276.26388155983
4 √n
67.763071347579
5 √n
29.160466382804
1 , 2 , 7 , 14 , 317 , 634 , 2219 , 4438 , 4751 , 9502 , 33257 , 66514 , 1506067 , 3012134 , 10542469 , 21084938
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
-21084937
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 21084938 can be divided by 16 positive divisors.
The sum of these divisors (counting 21084938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011101100001010
3
Ternary
1110200020002122
4
Quaternary
1100123230022
5
Quinary
20344204223
6
Senary
2031531242
8
Octal
120335412
10
Decimal
21084938
12
Duodecimal
7089b22
16
Hexadecimal
141bb0a
20
Vigesimal
6bfc6i
36
Base36
cjx8q
md5
40c2ef84dc1cf8fa9039a2f1836bfc76
sha1
2515cce89e800f15db3ce2b59ac22ed881a75c77
sha256
06082e15c33c298c64e3338678219f8154e1ab44788c1cb330d99dcb090b3908
sha512
9b25e9cb469673ce2d9a7eb16b451a50cbc9f59bc75699e69ed31d9110e0f0ee316e43f9ebe4607c4a9c7f6010482e6bfd0f105dc9fc3578f2698116cb337c03
ripemd-160
b71d7841564b63f12e991594ffc253f8c96f2afc
Diameter
42169876
Circumference
132480572.64439
Area
1.3966723302058E+15
Volume
3.9264999318272E+22
Surface area
5.586689320823E+15
Circumference
132480572.64439
Perimeter
84339752
Area
444574610463844
Diagonal
29818605.281396
Surface area
2667447662783064
Volume
9.3738280980043E+21
Space diagonal
36520183.89044
Perimeter
63254814
Area
1.9250645326963E+14
Altitude
18260091.94522
Surface area
1.9250645326963E+14
Volume
1.1047162356293E+21
Height
9939535.0937986