21138078 is an even 8-digits composite number following 21138077
and preceding 21138079 . In scientific notation, it is written as 2.1138078 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 6478848 positive integers (up to 21138078) that are relatively prime to 21138078.
21138078 has 32 divisors, whose sum is 45704736
The reverse of 21138078 is 87083112
Previous prime number is 457
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred thirty-eight thousand seventy-eight
Scientific notation
2.1138078 × 10^7
Engineering notation
2.1138078 × 10^6
Prime Factorization
2 × 3 × 13 × 457 × 593
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21138078
Product of the distinct prime numbers
The prime factorization of 21138078 is 2 × 3 × 13 × 457 × 593.
Since it has a total of 5 prime factors.
10 , 8 , 95 , 24 , 416 , 61 , 8798 , 734 , 68063 , 94111 , 479141 , 475273 , 7929968 , 7990769 , 91323550 , 92231476 , 201214924 , 369950968 , 8814197415 , 5514731750
n×2
42276156
n×3
63414234
n×4
84552312
n×5
105690390
n÷2
10569039
n÷3
7046026
n÷3
5284519.5
n÷5
4227615.6
n2
446818341534084
n3
9.4448809551781E+21
n4
1.9964663033127E+29
n5
4.2201460443795E+36
2 √n
4597.6165564344
3 √n
276.49577453112
4 √n
67.805726575522
5 √n
29.175150109953
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 457 , 593 , 914 , 1186 , 1371 , 1779 , 2742 , 3558 , 5941 , 7709 , 11882 , 15418 , 17823 , 23127 , 35646 , 46254 , 271001 , 542002 , 813003 , 1626006 , 3523013 , 7046026 , 10569039 , 21138078
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
-21138077
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 21138078 can be divided by 32 positive divisors.
The sum of these divisors (counting 21138078) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101000101010011110
3
Ternary
1110202220222210
4
Quaternary
1100220222132
5
Quinary
20402404303
6
Senary
2033021250
8
Octal
120505236
10
Decimal
21138078
12
Duodecimal
70b4826
16
Hexadecimal
1428a9e
20
Vigesimal
6c253i
36
Base36
cl28u
md5
931a324ed845458b334755ed36ff9978
sha1
d2aa1a8bc6d5642f00c0bd480ec6e92caf29ff58
sha256
73c3066f845d903b50e5a07a5ad38002b0390fdafc097aa67340495994f09fcd
sha512
f90bdd1b2d03e2c3b476a5aa9025c8b50a494f06a4c9fe4dd16dfebdb9d744885cd54b8a64a49fb650e70c336310a904bd01b573b7e4f0837853bc7b86eff8e3
ripemd-160
c4b69adc59a3e2f5294f59e384760b2c268de644
Diameter
42276156
Circumference
132814461.11162
Area
1.4037212192527E+15
Volume
3.9562624830424E+22
Surface area
5.6148848770106E+15
Circumference
132814461.11162
Perimeter
84552312
Area
446818341534084
Diagonal
29893756.5901
Surface area
2680910049204504
Volume
9.4448809551781E+21
Space diagonal
36612225.070354
Perimeter
63414234
Area
1.9347801732267E+14
Altitude
18306112.535177
Surface area
1.9347801732267E+14
Volume
1.113089895151E+21
Height
9964585.5300335