21086670 is an even 8-digits composite number following 21086669
and preceding 21086671 . In scientific notation, it is written as 2.1086670 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 4942080 positive integers (up to 21086670) that are relatively prime to 21086670.
21086670 has 16 divisors, whose sum is 32709792
The reverse of 21086670 is 07668012
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eighty-six thousand six hundred seventy
Scientific notation
2.1086670 × 10^7
Engineering notation
2.1086670 × 10^6
Prime Factorization
2 × 1815 × 37 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21086670
Product of the distinct prime numbers
The prime factorization of 21086670 is 2 × 1815 × 37 × 157.
Since it has a total of 4 prime factors.
2 , 4 , 8 , 73 , 548 , 601 , 8399 , 3834 , 95020 , 75949 , 742028 , 509084 , 8659603 , 1298605 , 53667908 , 37467469 , 501157440 , 481800136 , 8259339008 , 1235114932
n×2
42173340
n×3
63260010
n×4
84346680
n×5
105433350
n÷2
10543335
n÷3
7028890
n÷3
5271667.5
n÷5
4217334
n2
444647651688900
n3
9.3761382974388E+21
n4
1.9771153415245E+29
n5
4.1690778758665E+36
2 √n
4592.0224302588
3 √n
276.27144582114
4 √n
67.764462886227
5 √n
29.160945438217
1 , 2 , 37 , 74 , 157 , 314 , 1815 , 3630 , 5809 , 11618 , 67155 , 134310 , 284955 , 569910 , 10543335 , 21086670
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
-21086669
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 21086670 can be divided by 16 positive divisors.
The sum of these divisors (counting 21086670) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011100000111001110
3
Ternary
1110200022110210
4
Quaternary
1100130013032
5
Quinary
20344233140
6
Senary
2031543250
8
Octal
120340716
10
Decimal
21086670
12
Duodecimal
708ab26
16
Hexadecimal
141c1ce
20
Vigesimal
6bfgda
36
Base36
cjyku
md5
f5237d32fa64afd8178e4fb845c81b6f
sha1
223360c177c79c9255475a605a4094eee2a351aa
sha256
7458527be0b003db6c4e986ffa6ffc8291aaa5c4f753ab1121a51a558b80ec4d
sha512
f3456af53064c94f0e668240f0d2324bc7d47079f653c540650374788a281bb7c4cb38a8031ed0afa4b5f9ec9cea578f2929d4d52c8c7c392240f46c312a95c3
ripemd-160
34be3d0e9cfd61921d1f2dd90150af52dbd2fe08
Diameter
42173340
Circumference
132491455.12134
Area
1.3969017959818E+15
Volume
3.9274676259034E+22
Surface area
5.5876071839272E+15
Circumference
132491455.12134
Perimeter
84346680
Area
444647651688900
Diagonal
29821054.699286
Surface area
2667885910133400
Volume
9.3761382974388E+21
Space diagonal
36523183.802438
Perimeter
63260010
Area
1.9253808104784E+14
Altitude
18261591.901219
Surface area
1.9253808104784E+14
Volume
1.1049884952436E+21
Height
9940351.5664286