21379085 is an odd 8-digits composite number following 21379084
and preceding 21379086 . In scientific notation, it is written as 2.1379085 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 12814848 positive integers (up to 21379085) that are relatively prime to 21379085.
21379085 has 32 divisors, whose sum is 33250560
The reverse of 21379085 is 58097312
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million three hundred seventy-nine thousand eighty-five
Scientific notation
2.1379085 × 10^7
Engineering notation
2.1379085 × 10^6
Prime Factorization
7 × 5 × 13 × 19 × 2473
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21379085
Product of the distinct prime numbers
The prime factorization of 21379085 is 7 × 5 × 13 × 19 × 2473.
Since it has a total of 5 prime factors.
4 , 4 , 71 , 57 , 967 , 112 , 1945 , 1056 , 51277 , 17595 , 31867 , 680530 , 4921869 , 3114966 , 54860504 , 97359958 , 312728392 , 165771326 , 5495939963 , 9577482454
n×2
42758170
n×3
64137255
n×4
85516340
n×5
106895425
n÷2
10689542.5
n÷3
7126361.6666667
n÷3
5344771.25
n÷5
4275817
n2
457065275437225
n3
9.7716373741208E+21
n4
2.0890866601051E+29
n5
4.4662761278752E+36
2 √n
4623.7522641249
3 √n
277.54263338697
4 √n
67.998178388284
5 √n
29.24137718515
1 , 5 , 7 , 13 , 19 , 35 , 65 , 91 , 95 , 133 , 247 , 455 , 665 , 1235 , 1729 , 2473 , 8645 , 12365 , 17311 , 32149 , 46987 , 86555 , 160745 , 225043 , 234935 , 328909 , 610831 , 1125215 , 1644545 , 3054155 , 4275817 , 21379085
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
-21379084
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 21379085 can be divided by 32 positive divisors.
The sum of these divisors (counting 21379085) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001100011100000001101
3
Ternary
1111020011120222
4
Quaternary
1101203200031
5
Quinary
20433112320
6
Senary
2042121125
8
Octal
121434015
10
Decimal
21379085
12
Duodecimal
71b01a5
16
Hexadecimal
146380d
20
Vigesimal
6dc7e5
36
Base36
cq87h
md5
06afbfe0ff15e331525e95c0682253f3
sha1
51fdead1c88c336f68ee8d7d97c3e3bfd60bb8e6
sha256
b502874e50507c8b1085fda5c376fcf76c6f74ff5b088f2f913b759a635ec8d9
sha512
d74ec92b864c4b3f19975a2f8e996f1483ccf11370993297f66765cfee2ac48007df835967df86025d2b1750ceecbe31cdc4907ca875c4fd4eef0f66409193dc
ripemd-160
83213f509142ac4f999db8773e8dd0e4b6d36e0a
Diameter
42758170
Circumference
134328752.75294
Area
1.4359129115246E+15
Volume
4.0931338917442E+22
Surface area
5.7436516460983E+15
Circumference
134328752.75294
Perimeter
85516340
Area
457065275437225
Diagonal
30234591.958127
Surface area
2742391652623350
Volume
9.7716373741208E+21
Space diagonal
37029661.439334
Perimeter
64137255
Area
1.9791506985818E+14
Altitude
18514830.719667
Surface area
1.9791506985818E+14
Volume
1.1515985084228E+21
Height
10078197.319376