21078051 is an odd 8-digits composite number following 21078050
and preceding 21078052 . In scientific notation, it is written as 2.1078051 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13441032 positive integers (up to 21078051) that are relatively prime to 21078051.
21078051 has 8 divisors, whose sum is 29326080
The reverse of 21078051 is 15087012
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million seventy-eight thousand fifty-one
Scientific notation
2.1078051 × 10^7
Engineering notation
2.1078051 × 10^6
Prime Factorization
3 × 23 × 305479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21078051
Product of the distinct prime numbers
The prime factorization of 21078051 is 3 × 23 × 305479.
Since it has a total of 3 prime factors.
5 , 5 , 43 , 13 , 301 , 659 , 3842 , 4000 , 21702 , 4929 , 291998 , 335951 , 4901918 , 1970934 , 50458987 , 3888202 , 255714195 , 215944419 , 6572619716 , 8149670166
n×2
42156102
n×3
63234153
n×4
84312204
n×5
105390255
n÷2
10539025.5
n÷3
7026017
n÷3
5269512.75
n÷5
4215610.2
n2
444284233958601
n3
9.3646457418753E+21
n4
1.9738848054418E+29
n5
4.1605644597228E+36
2 √n
4591.0838589597
3 √n
276.23379947718
4 √n
67.757537285232
5 √n
29.158561189858
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
-21078050
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 21078051 can be divided by 8 positive divisors.
The sum of these divisors (counting 21078051) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011010000000100011
3
Ternary
1110122212122120
4
Quaternary
1100122000203
5
Quinary
20343444201
6
Senary
2031435323
8
Octal
120320043
10
Decimal
21078051
12
Duodecimal
7085b43
16
Hexadecimal
141a023
20
Vigesimal
6bef2b
36
Base36
cjrxf
md5
5d23b79dcd530e5e70f35f98b40cc5a5
sha1
4fd7b9c35ebb642c7a909eb198d5d15123ab73ca
sha256
41c4559782ebaf20836ae14aec6d6241fb124049f5338e7db3c646f51bb8011b
sha512
0caa73f88858005116538059a54507078be169fe47a9941bec28f7c9346df03bc9cd36f5f69905d7ff03d2cb2038656931cc9953b923df33ff2960f4cc52af4b
ripemd-160
96706688a98ce09a053a2a6a31b2307561001316
Diameter
42156102
Circumference
132437300.34718
Area
1.3957600855101E+15
Volume
3.9226536354862E+22
Surface area
5.5830403420404E+15
Circumference
132437300.34718
Perimeter
84312204
Area
444284233958601
Diagonal
29808865.592592
Surface area
2665705403751606
Volume
9.3646457418753E+21
Space diagonal
36508255.256528
Perimeter
63234153
Area
1.9238071655453E+14
Altitude
18254127.628264
Surface area
1.9238071655453E+14
Volume
1.1036340845816E+21
Height
9936288.5308639