21471685 is an odd 8-digits composite number following 21471684
and preceding 21471686 . In scientific notation, it is written as 2.1471685 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 16413120 positive integers (up to 21471685) that are relatively prime to 21471685.
21471685 has 16 divisors, whose sum is 26933760
The reverse of 21471685 is 58617412
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred seventy-one thousand six hundred eighty-five
Scientific notation
2.1471685 × 10^7
Engineering notation
2.1471685 × 10^6
Prime Factorization
5 × 31 × 83 × 1669
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21471685
Product of the distinct prime numbers
The prime factorization of 21471685 is 5 × 31 × 83 × 1669.
Since it has a total of 4 prime factors.
5 , 8 , 57 , 69 , 728 , 539 , 2508 , 467 , 65314 , 51253 , 435643 , 759472 , 8865926 , 8725380 , 95588515 , 82254595 , 541267555 , 904856167 , 7121801078 , 6147880689
n×2
42943370
n×3
64415055
n×4
85886740
n×5
107358425
n÷2
10735842.5
n÷3
7157228.3333333
n÷3
5367921.25
n÷5
4294337
n2
461033256739225
n3
9.8991608632288E+21
n4
2.1255166381958E+29
n5
4.5638423717598E+36
2 √n
4633.7549568358
3 √n
277.94276636934
4 √n
68.071689833849
5 √n
29.266664258095
1 , 5 , 31 , 83 , 155 , 415 , 1669 , 2573 , 8345 , 12865 , 51739 , 138527 , 258695 , 692635 , 4294337 , 21471685
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
-21471684
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 21471685 can be divided by 16 positive divisors.
The sum of these divisors (counting 21471685) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111010000111000101
3
Ternary
1111101212121121
4
Quaternary
1101322013011
5
Quinary
20444043220
6
Senary
2044113541
8
Octal
121720705
10
Decimal
21471685
12
Duodecimal
72358b1
16
Hexadecimal
147a1c5
20
Vigesimal
6e3j45
36
Base36
cs7np
md5
9e3a6045fffd512e923245188c0f7f94
sha1
78492875e346e16d796ce3bbb965ebad4a9f48d6
sha256
0bd8fa28392ec3baae9804f37786a6d0fa193ae16f8ca4ce5bba6e79cdf8dae6
sha512
bb2863049c69986063eefce5a7afdcda2f1b7967ecee9ba572a8468010b6dd351818447d5a62d95e09a47bf10535be1e60c763b3239c1c6047895bc6fe1fe67a
ripemd-160
44401b41d813e3330d3baf6b53c30e24e9c106f5
Diameter
42943370
Circumference
134910575.71239
Area
1.4483786924325E+15
Volume
4.1465508059497E+22
Surface area
5.7935147697301E+15
Circumference
134910575.71239
Perimeter
85886740
Area
461033256739225
Diagonal
30365548.134003
Surface area
2766199540435350
Volume
9.8991608632288E+21
Space diagonal
37190049.344115
Perimeter
64415055
Area
1.9963325616282E+14
Altitude
18595024.672057
Surface area
1.9963325616282E+14
Volume
1.1666272957409E+21
Height
10121849.378001