19985500 is an even 8-digits composite number following 19985499
and preceding 19985501 . In scientific notation, it is written as 1.9985500 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 7994000 positive integers (up to 19985500) that are relatively prime to 19985500.
19985500 has 12 divisors, whose sum is 35255304
The reverse of 19985500 is 00558991
Previous prime number is 125
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine hundred eighty-five thousand five hundred
Scientific notation
1.9985500 × 10^7
Engineering notation
1.9985500 × 10^6
Prime Factorization
2 × 2 × 125 × 39971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9992750
Product of the distinct prime numbers
The prime factorization of 19985500 is 2 × 2 × 125 × 39971.
Since it has a total of 4 prime factors.
8 , 5 , 45 , 91 , 114 , 129 , 5422 , 7143 , 58833 , 91244 , 267945 , 126724 , 9568850 , 9587002 , 55745764 , 52092475 , 201780594 , 72606975 , 2741470821 , 1311410964
n×2
39971000
n×3
59956500
n×4
79942000
n×5
99927500
n÷2
9992750
n÷3
6661833.3333333
n÷3
4996375
n÷5
3997100
n2
399420210250000
n3
7.9826126119514E+21
n4
1.5953650435615E+29
n5
3.1884168078099E+36
2 √n
4470.514511776
3 √n
271.37614737441
4 √n
66.861906282846
5 √n
28.849813074578
1 , 2 , 4 , 125 , 250 , 500 , 39971 , 79942 , 159884 , 4996375 , 9992750 , 19985500
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19985499
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19985500 can be divided by 12 positive divisors.
The sum of these divisors (counting 19985500) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100001111010001011100
3
Ternary
1101121100221201
4
Quaternary
1030033101130
5
Quinary
20104014000
6
Senary
1552205244
8
Octal
114172134
10
Decimal
19985500
12
Duodecimal
6839824
16
Hexadecimal
130f45c
20
Vigesimal
64i3f0
36
Base36
bwcws
md5
c1e7104ed70b418ff7e45e40e1ad15c4
sha1
05feb776477bb998ad9382b69cc78b1de946fb80
sha256
f029a830e6fed25e4b69b302193cfd5aee638cdb29434e32e4ef9a98fd346041
sha512
221a64b907e0200c921f60ad88af7817c98b69572bbebd786c13687071d12cd1ee97167c26fe6cf24529863ff1bc4200703d4fc3eff103c2d1c7770e1f0bef49
ripemd-160
865bf19a20bb9c192ac48071946f3f31afdf34c0
Diameter
39971000
Circumference
125572599.95664
Area
1.2548155982167E+15
Volume
3.3437489517546E+22
Surface area
5.0192623928668E+15
Circumference
125572599.95664
Perimeter
79942000
Area
399420210250000
Diagonal
28263765.150807
Surface area
2396521261500000
Volume
7.9826126119514E+21
Space diagonal
34615901.414668
Perimeter
59956500
Area
1.7295402443071E+14
Altitude
17307950.707334
Surface area
1.7295402443071E+14
Volume
9.4075991824935E+20
Height
9421255.0502692