20856730 is an even 8-digits composite number following 20856729
and preceding 20856731 . In scientific notation, it is written as 2.0856730 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8342688 positive integers (up to 20856730) that are relatively prime to 20856730.
20856730 has 8 divisors, whose sum is 37542132
The reverse of 20856730 is 03765802
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred fifty-six thousand seven hundred thirty
Scientific notation
2.0856730 × 10^7
Engineering notation
2.0856730 × 10^6
Prime Factorization
2 × 5 × 2085673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20856730
Product of the distinct prime numbers
The prime factorization of 20856730 is 2 × 5 × 2085673.
Since it has a total of 3 prime factors.
9 , 2 , 78 , 19 , 129 , 117 , 7266 , 1572 , 6269 , 59201 , 132430 , 574573 , 7194124 , 5474518 , 28209406 , 34476561 , 381372850 , 118899847 , 8971157898 , 5580445076
n×2
41713460
n×3
62570190
n×4
83426920
n×5
104283650
n÷2
10428365
n÷3
6952243.3333333
n÷3
5214182.5
n÷5
4171346
n2
435003186292900
n3
9.0727440056507E+21
n4
1.8922777208498E+29
n5
3.9466725508779E+36
2 √n
4566.9169031197
3 √n
275.26357099378
4 √n
67.578967905108
5 √n
29.097068991997
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20856729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20856730 can be divided by 8 positive divisors.
The sum of these divisors (counting 20856730) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100011111110011010
3
Ternary
1110020122001111
4
Quaternary
1033203332122
5
Quinary
20314403410
6
Senary
2023010534
8
Octal
117437632
10
Decimal
20856730
12
Duodecimal
6b99a4a
16
Hexadecimal
13e3f9a
20
Vigesimal
6a71ga
36
Base36
cf15m
md5
5a38966e2be2b2686533751aa78cd022
sha1
df04fdd5b9950e09676e26688d976ffab5d506dd
sha256
bb327f68aa779274c3cef06578a8fca6e010a122462facb21036845cd1023755
sha512
d236d3d9c6c1dea5368da355a2e8f0d0a36ee2c235cb108c8b5eb41f3e7bc9f6c0b15af6bf1abf043db58347ccbf72fb5869bf00af27b736962a94ee8f99c2c9
ripemd-160
dad4e904f73838bda5a8a3081518e50f7e4abb4c
Diameter
41713460
Circumference
131046699.49181
Area
1.3666028143459E+15
Volume
3.8003821221404E+22
Surface area
5.4664112573837E+15
Circumference
131046699.49181
Perimeter
83426920
Area
435003186292900
Diagonal
29495870.432754
Surface area
2610019117757400
Volume
9.0727440056507E+21
Space diagonal
36124916.039746
Perimeter
62570190
Area
1.8836190502841E+14
Altitude
18062458.019873
Surface area
1.8836190502841E+14
Volume
1.0692331350609E+21
Height
9831956.8109179