19981585 is an odd 8-digits composite number following 19981584
and preceding 19981586 . In scientific notation, it is written as 1.9981585 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 14755584 positive integers (up to 19981585) that are relatively prime to 19981585.
19981585 has 8 divisors, whose sum is 25822440
The reverse of 19981585 is 58518991
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred eighty-one thousand five hundred eighty-five
Scientific notation
1.9981585 × 10^7
Engineering notation
1.9981585 × 10^6
Prime Factorization
5 × 13 × 307409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19981585
Product of the distinct prime numbers
The prime factorization of 19981585 is 5 × 13 × 307409.
Since it has a total of 3 prime factors.
10 , 8 , 48 , 17 , 860 , 501 , 7467 , 7572 , 20874 , 49108 , 571082 , 249740 , 502253 , 4013806 , 51386734 , 32844026 , 444589914 , 824366231 , 2447574574 , 7617976623
n×2
39963170
n×3
59944755
n×4
79926340
n×5
99907925
n÷2
9990792.5
n÷3
6660528.3333333
n÷3
4995396.25
n÷5
3996317
n2
399263739112225
n3
7.9779223404887E+21
n4
1.5941153336987E+29
n5
3.1852951040105E+36
2 √n
4470.0766212672
3 √n
271.35842607649
4 √n
66.858631613781
5 √n
28.84868269636
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
-19981584
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 19981585 can be divided by 8 positive divisors.
The sum of these divisors (counting 19981585) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001110010100010001
3
Ternary
1101121011120201
4
Quaternary
1030032110101
5
Quinary
20103402320
6
Senary
1552135201
8
Octal
114162421
10
Decimal
19981585
12
Duodecimal
6837501
16
Hexadecimal
130e511
20
Vigesimal
64hdj5
36
Base36
bw9w1
md5
e136eec7ff4064f6596dac79f049f006
sha1
03effc598831b6dabad7e25ba77a4d281ad054d1
sha256
9fa255aa8550ea52c7727eb7fe2404e97d8bff396db58ee8c8ab957e148032d3
sha512
23c8bc893068720e24b02cc287a7110dccaabbe1a50e00ab7893cf5e172a7416ae43d5c6117b2fb5674ca6cb1431119633c73d76e846b082fb74171c35fb768a
ripemd-160
e0adec70e5db74419a7e464225858a07f6eac249
Diameter
39963170
Circumference
125548001.28616
Area
1.2543240296398E+15
Volume
3.3417842954386E+22
Surface area
5.017296118559E+15
Circumference
125548001.28616
Perimeter
79926340
Area
399263739112225
Diagonal
28258228.504711
Surface area
2395582434673350
Volume
7.9779223404887E+21
Space diagonal
34609120.435756
Perimeter
59944755
Area
1.7288627044057E+14
Altitude
17304560.217878
Surface area
1.7288627044057E+14
Volume
9.4020716445654E+20
Height
9419409.5015703