20148691 is an odd 8-digits composite number following 20148690
and preceding 20148692 . In scientific notation, it is written as 2.0148691 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 19970272 positive integers (up to 20148691) that are relatively prime to 20148691.
20148691 has 4 divisors, whose sum is 20327112
The reverse of 20148691 is 19684102
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-eight thousand six hundred ninety-one
Scientific notation
2.0148691 × 10^7
Engineering notation
2.0148691 × 10^6
Prime Factorization
113 × 178307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20148691
Product of the distinct prime numbers
The prime factorization of 20148691 is 113 × 178307.
Since it has a total of 2 prime factors.
5 , 5 , 35 , 89 , 143 , 35 , 9393 , 8541 , 59854 , 27668 , 96447 , 127236 , 475469 , 6041925 , 39605286 , 37371765 , 294229888 , 976153283 , 8043309870 , 6764802995
n×2
40297382
n×3
60446073
n×4
80594764
n×5
100743455
n÷2
10074345.5
n÷3
6716230.3333333
n÷3
5037172.75
n÷5
4029738.2
n2
405969749013481
n3
8.1797590282202E+21
n4
1.6481143711407E+29
n5
3.3207347196773E+36
2 √n
4488.7293302225
3 √n
272.11278393017
4 √n
66.997980045838
5 √n
28.896774395984
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20148690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20148691 can be divided by 4 positive divisors.
The sum of these divisors (counting 20148691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111000111010011
3
Ternary
1101220122210211
4
Quaternary
1030313013103
5
Quinary
20124224231
6
Senary
1555504551
8
Octal
114670723
10
Decimal
20148691
12
Duodecimal
68b8157
16
Hexadecimal
13371d3
20
Vigesimal
65ibeb
36
Base36
bzutv
md5
8dca0e18e228d934798e07318d455fa7
sha1
1225878506160ba3754757e9bdbb215802d410d6
sha256
52aea1ecc515876dabe4060f286c93ea9e99d61bab1288bf5d22c5b35586b84e
sha512
1369c60533d13f6793e36b1ea77c0912aea8a7089cb1f5ded28788245d47491b288832cec411fbcf772851f60271e9969639f9b9b2eace931052c63d5b9f360e
ripemd-160
8b2e64cdbbd7de6cbd16e11c685434f98fb1ab13
Diameter
40297382
Circumference
126597959.2501
Area
1.2753915810804E+15
Volume
3.4263294494922E+22
Surface area
5.1015663243218E+15
Circumference
126597959.2501
Perimeter
80594764
Area
405969749013481
Diagonal
28494552.076265
Surface area
2435818494080886
Volume
8.1797590282202E+21
Space diagonal
34898556.518006
Perimeter
60446073
Area
1.7579005790683E+14
Altitude
17449278.259003
Surface area
1.7579005790683E+14
Volume
9.6399384622106E+20
Height
9498184.0254216