20138778 is an even 8-digits composite number following 20138777
and preceding 20138779 . In scientific notation, it is written as 2.0138778 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 5529600 positive integers (up to 20138778) that are relatively prime to 20138778.
20138778 has 16 divisors, whose sum is 30652776
The reverse of 20138778 is 87783102
Previous prime number is 341
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred thirty-eight thousand seven hundred seventy-eight
Scientific notation
2.0138778 × 10^7
Engineering notation
2.0138778 × 10^6
Prime Factorization
2 × 153 × 341 × 193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138778
Product of the distinct prime numbers
The prime factorization of 20138778 is 2 × 153 × 341 × 193.
Since it has a total of 4 prime factors.
3 , 7 , 15 , 57 , 669 , 1 , 5766 , 4495 , 57115 , 61190 , 552139 , 570556 , 2617354 , 4241300 , 84535876 , 74793549 , 508472556 , 623502573 , 8518465872 , 4526533695
n×2
40277556
n×3
60416334
n×4
80555112
n×5
100693890
n÷2
10069389
n÷3
6712926
n÷3
5034694.5
n÷5
4027755.6
n2
405570379333284
n3
8.1676918327688E+21
n4
1.6448733259254E+29
n5
3.3125738748934E+36
2 √n
4487.6249843319
3 √n
272.06815081524
4 √n
66.989737903144
5 √n
28.893930438385
1 , 2 , 153 , 193 , 306 , 341 , 386 , 682 , 29529 , 52173 , 59058 , 65813 , 104346 , 131626 , 10069389 , 20138778
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
-20138777
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 20138778 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138778) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100101100011010
3
Ternary
1101220011012200
4
Quaternary
1030310230122
5
Quinary
20123420103
6
Senary
1555351030
8
Octal
114645432
10
Decimal
20138778
12
Duodecimal
68b2476
16
Hexadecimal
1334b1a
20
Vigesimal
65h6ii
36
Base36
bzn6i
md5
b9ac1cf4fd7e9571d0810fb9e079a0ff
sha1
ca1c6a87434886ff035d190640001d521b0ea2c7
sha256
7867aa498bcb2701b582e6682b4b3edd4cefd288346c5e556c450578d15ab055
sha512
ea918946fa717608f135cd1ecd2d12fb603182090a050e071d053900a3ba2d2e70d4897fc96c4134d39e933e8214263949f3c47c530919112d21f883fe1453a6
ripemd-160
1914a32adf538b18c43f794b755370f75893ce48
Diameter
40277556
Circumference
126535674.03415
Area
1.2741369242271E+15
Volume
3.4212747544816E+22
Surface area
5.0965476969083E+15
Circumference
126535674.03415
Perimeter
80555112
Area
405570379333284
Diagonal
28480532.977221
Surface area
2433422275999704
Volume
8.1676918327688E+21
Space diagonal
34881386.69835
Perimeter
60416334
Area
1.7561712576256E+14
Altitude
17440693.349175
Surface area
1.7561712576256E+14
Volume
9.625717135988E+20
Height
9493510.992407