20538907 is an odd 8-digits composite number following 20538906
and preceding 20538908 . In scientific notation, it is written as 2.0538907 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 18880512 positive integers (up to 20538907) that are relatively prime to 20538907.
20538907 has 8 divisors, whose sum is 22253616
The reverse of 20538907 is 70983502
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million five hundred thirty-eight thousand nine hundred seven
Scientific notation
2.0538907 × 10^7
Engineering notation
2.0538907 × 10^6
Prime Factorization
17 × 43 × 28097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20538907
Product of the distinct prime numbers
The prime factorization of 20538907 is 17 × 43 × 28097.
Since it has a total of 3 prime factors.
1 , 8 , 24 , 77 , 186 , 705 , 7120 , 6310 , 35832 , 86114 , 464610 , 337282 , 5755216 , 4540726 , 60725250 , 36248240 , 82831495 , 824910134 , 1752184010 , 3574329572
n×2
41077814
n×3
61616721
n×4
82155628
n×5
102694535
n÷2
10269453.5
n÷3
6846302.3333333
n÷3
5134726.75
n÷5
4107781.4
n2
421846700754649
n3
8.6642701550566E+21
n4
1.7795463893758E+29
n5
3.6549937793576E+36
2 √n
4531.9870917733
3 √n
273.85821691193
4 √n
67.320034846792
5 √n
29.007844968573
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
-20538906
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 20538907 can be divided by 8 positive divisors.
The sum of these divisors (counting 20538907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010110011000011011
3
Ternary
1102122111002021
4
Quaternary
1032112120123
5
Quinary
20224221112
6
Senary
2012115311
8
Octal
116263033
10
Decimal
20538907
12
Duodecimal
6a65b37
16
Hexadecimal
139661b
20
Vigesimal
687757
36
Base36
c87x7
md5
c9af22cc6f6bfdfd3e762d3446be65bd
sha1
9069b6bd4f84397740b0cd4ad95ef3c2e7ae5896
sha256
acf9654fdda3c3238e25753bbe421d92ff4facda4c15e29c7a5fdc1ffb60facc
sha512
dd16de72ffb404a6827847088cb212aff25684c12ee31da3700357236e8706e43df7e9bb9146811694ffd4f3f9104529266a290148634a31fb447352c5d6cc06
ripemd-160
769ffd2c812d62dc18093fd2753d145c285125c9
Diameter
41077814
Circumference
129049758.68793
Area
1.3252704960319E+15
Volume
3.6292809957124E+22
Surface area
5.3010819841276E+15
Circumference
129049758.68793
Perimeter
82155628
Area
421846700754649
Diagonal
29046400.83572
Surface area
2531080204527894
Volume
8.6642701550566E+21
Space diagonal
35574430.455932
Perimeter
61616721
Area
1.8266497967809E+14
Altitude
17787215.227966
Surface area
1.8266497967809E+14
Volume
1.0210940301121E+21
Height
9682133.6119066