20478557 is an odd 8-digits composite number following 20478556
and preceding 20478558 . In scientific notation, it is written as 2.0478557 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 17088000 positive integers (up to 20478557) that are relatively prime to 20478557.
20478557 has 16 divisors, whose sum is 24240384
The reverse of 20478557 is 75587402
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million four hundred seventy-eight thousand five hundred fifty-seven
Scientific notation
2.0478557 × 10^7
Engineering notation
2.0478557 × 10^6
Prime Factorization
11 × 17 × 41 × 2671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20478557
Product of the distinct prime numbers
The prime factorization of 20478557 is 11 × 17 × 41 × 2671.
Since it has a total of 4 prime factors.
4 , 3 , 64 , 92 , 357 , 791 , 2621 , 5840 , 84602 , 74190 , 210443 , 450048 , 5226196 , 4603852 , 23335007 , 76448 , 250423223 , 331887858 , 4009370140 , 2620444778
n×2
40957114
n×3
61435671
n×4
81914228
n×5
102392785
n÷2
10239278.5
n÷3
6826185.6666667
n÷3
5119639.25
n÷5
4095711.4
n2
419371296802249
n3
8.5881190057288E+21
n4
1.758722845816E+29
n5
3.6016106045245E+36
2 √n
4525.3239663034
3 √n
273.58972554836
4 √n
67.270528214839
5 √n
28.990777997681
1 , 11 , 17 , 41 , 187 , 451 , 697 , 2671 , 7667 , 29381 , 45407 , 109511 , 499477 , 1204621 , 1861687 , 20478557
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
-20478556
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 20478557 can be divided by 16 positive divisors.
The sum of these divisors (counting 20478557) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000111101001011101
3
Ternary
1102112102022002
4
Quaternary
1032013221131
5
Quinary
20220303212
6
Senary
2010532045
8
Octal
116075135
10
Decimal
20478557
12
Duodecimal
6a37025
16
Hexadecimal
1387a5d
20
Vigesimal
67jg7h
36
Base36
c6xct
md5
b771495575a256cdcef7c79401e72890
sha1
3856b4ab83a4c96b36c129f30d84d6b45d5a811a
sha256
cc2ec7960d0b8d8a9a8d54e6add2bf1e7586b17477a2d5ecfe269368c68f6850
sha512
00b8af51f9ab7b0891dcffd417b29c20098eb7f37e343dee0118920ab4e767fb3e5202ace7fead439ad94f9c982014ffc963b998ceb2a8c4864bd62fd6bd3a96
ripemd-160
d2f83c6b6d5904079d173a6c5172637b1a136c6c
Diameter
40957114
Circumference
128670568.45464
Area
1.3174937851604E+15
Volume
3.5973828768737E+22
Surface area
5.2699751406415E+15
Circumference
128670568.45464
Perimeter
81914228
Area
419371296802249
Diagonal
28961053.04723
Surface area
2516227780813494
Volume
8.5881190057288E+21
Space diagonal
35469901.189695
Perimeter
61435671
Area
1.8159309832439E+14
Altitude
17734950.594848
Surface area
1.8159309832439E+14
Volume
1.012119531098E+21
Height
9653684.3490768