21086970 is an even 8-digits composite number following 21086969
and preceding 21086971 . In scientific notation, it is written as 2.1086970 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 5239808 positive integers (up to 21086970) that are relatively prime to 21086970.
21086970 has 32 divisors, whose sum is 39087360
The reverse of 21086970 is 07968012
Previous prime number is 239
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million eighty-six thousand nine hundred seventy
Scientific notation
2.1086970 × 10^7
Engineering notation
2.1086970 × 10^6
Prime Factorization
2 × 51 × 5 × 239 × 173
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21086970
Product of the distinct prime numbers
The prime factorization of 21086970 is 2 × 51 × 5 × 239 × 173.
Since it has a total of 5 prime factors.
4 , 3 , 48 , 99 , 455 , 415 , 8736 , 7192 , 16059 , 18370 , 461452 , 300529 , 8954995 , 413744 , 53965857 , 21146901 , 386783878 , 476980694 , 516701831 , 7460907606
n×2
42173940
n×3
63260910
n×4
84347880
n×5
105434850
n÷2
10543485
n÷3
7028990
n÷3
5271742.5
n÷5
4217394
n2
444660303780900
n3
9.3765384860187E+21
n4
1.9772278575852E+29
n5
4.1693744516064E+36
2 √n
4592.0550954883
3 √n
276.27275598597
4 √n
67.764703906151
5 √n
29.161028412284
1 , 2 , 5 , 10 , 51 , 102 , 173 , 239 , 255 , 346 , 478 , 510 , 865 , 1195 , 1730 , 2390 , 8823 , 12189 , 17646 , 24378 , 41347 , 44115 , 60945 , 82694 , 88230 , 121890 , 206735 , 413470 , 2108697 , 4217394 , 10543485 , 21086970
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
-21086969
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 21086970 can be divided by 32 positive divisors.
The sum of these divisors (counting 21086970) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011100001011111010
3
Ternary
1110200022212220
4
Quaternary
1100130023322
5
Quinary
20344240340
6
Senary
2031544510
8
Octal
120341372
10
Decimal
21086970
12
Duodecimal
708b136
16
Hexadecimal
141c2fa
20
Vigesimal
6bfh8a
36
Base36
cjyt6
md5
d08ac6e35d213d7a2fd057fd318026cf
sha1
e55f4638b701331fda6ec2a4b655aa7cdabb7a39
sha256
36ce811598a63928291fc1b01bac0b9e8047c1e25070dd43482d530754533332
sha512
13f2911a5d8fff3dc6d43a529bfc5bf296a4e47fffcf024141f89b5e311102bfb8ea7b4b2f6f298cc5ab5e878500e0373375edffa9c638b389aa8b7a51ed3f18
ripemd-160
855fef4e19ac547783d92d14788fa2aa6beedb08
Diameter
42173940
Circumference
132493340.07694
Area
1.3969415437011E+15
Volume
3.9276352565038E+22
Surface area
5.5877661748043E+15
Circumference
132493340.07694
Perimeter
84347880
Area
444660303780900
Diagonal
29821478.963355
Surface area
2667961822685400
Volume
9.3765384860187E+21
Space diagonal
36523703.417681
Perimeter
63260910
Area
1.9254355956438E+14
Altitude
18261851.70884
Surface area
1.9254355956438E+14
Volume
1.1050356579201E+21
Height
9940492.9877849