20461389 is an odd 8-digits composite number following 20461388
and preceding 20461390 . In scientific notation, it is written as 2.0461389 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 12417408 positive integers (up to 20461389) that are relatively prime to 20461389.
20461389 has 16 divisors, whose sum is 29787072
The reverse of 20461389 is 98316402
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred sixty-one thousand three hundred eighty-nine
Scientific notation
2.0461389 × 10^7
Engineering notation
2.0461389 × 10^6
Prime Factorization
3 × 13 × 73 × 7187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20461389
Product of the distinct prime numbers
The prime factorization of 20461389 is 3 × 13 × 73 × 7187.
Since it has a total of 4 prime factors.
1 , 6 , 45 , 89 , 716 , 976 , 84 , 4682 , 40484 , 13218 , 823943 , 575568 , 9920136 , 1753516 , 80873103 , 45901712 , 420764061 , 410438192 , 7239145587 , 3010919830
n×2
40922778
n×3
61384167
n×4
81845556
n×5
102306945
n÷2
10230694.5
n÷3
6820463
n÷3
5115347.25
n÷5
4092277.8
n2
418668439809321
n3
8.5665378089616E+21
n4
1.7528326249237E+29
n5
3.5865390190455E+36
2 √n
4523.4266878109
3 √n
273.51325040775
4 √n
67.256424881277
5 √n
28.985915539237
1 , 3 , 13 , 39 , 73 , 219 , 949 , 2847 , 7187 , 21561 , 93431 , 280293 , 524651 , 1573953 , 6820463 , 20461389
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
-20461388
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 20461389 can be divided by 16 positive divisors.
The sum of these divisors (counting 20461389) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000011011101001101
3
Ternary
1102111112202020
4
Quaternary
1032003131031
5
Quinary
20214231024
6
Senary
2010320353
8
Octal
116033515
10
Decimal
20461389
12
Duodecimal
6a290b9
16
Hexadecimal
138374d
20
Vigesimal
67hd99
36
Base36
c6k3x
md5
24668318ac34cd8011346e4ace70f875
sha1
810295b53ce97de9ada9478ecf74fa5f67aff510
sha256
9f9e45e11a1e372e959dfea12e062b741c29342eec9d3d5c8023e4b20caccc6f
sha512
91a660f7386de03a4ae4847fca93afb2423d558967c904f261579025761de1dc2c903bf0743083a5247477bb3669625c2657ec796947711990e98c4d2b24a09f
ripemd-160
897a72c803e9ef8d2a2cfe21dfe28a59c1e92bca
Diameter
40922778
Circumference
128562698.72929
Area
1.3152856947949E+15
Volume
3.5883429663111E+22
Surface area
5.2611427791795E+15
Circumference
128562698.72929
Perimeter
81845556
Area
418668439809321
Diagonal
28936773.828792
Surface area
2512010638855926
Volume
8.5665378089616E+21
Space diagonal
35440165.341431
Perimeter
61384167
Area
1.8128875231883E+14
Altitude
17720082.670715
Surface area
1.8128875231883E+14
Volume
1.0095761626679E+21
Height
9645591.2762639