19998625 is an odd 8-digits composite number following 19998624
and preceding 19998626 . In scientific notation, it is written as 1.9998625 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 15870000 positive integers (up to 19998625) that are relatively prime to 19998625.
19998625 has 8 divisors, whose sum is 20321280
The reverse of 19998625 is 52689991
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred ninety-eight thousand six hundred twenty-five
Scientific notation
1.9998625 × 10^7
Engineering notation
1.9998625 × 10^6
Prime Factorization
125 × 139 × 1151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19998625
Product of the distinct prime numbers
The prime factorization of 19998625 is 125 × 139 × 1151.
Since it has a total of 3 prime factors.
1 , 10 , 28 , 68 , 617 , 229 , 3491 , 1937 , 64712 , 68843 , 198341 , 552731 , 2739630 , 5617000 , 78974729 , 17025382 , 868200849 , 615924262 , 3478433488 , 8111340457
n×2
39997250
n×3
59995875
n×4
79994500
n×5
99993125
n÷2
9999312.5
n÷3
6666208.3333333
n÷3
4999656.25
n÷5
3999725
n2
399945001890625
n3
7.9983501134349E+21
n4
1.5995600453729E+29
n5
3.1989001512396E+36
2 √n
4471.9822226838
3 √n
271.43554097656
4 √n
66.872881070609
5 √n
28.853601364759
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
-19998624
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 19998625 can be divided by 8 positive divisors.
The sum of these divisors (counting 19998625) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010010011110100001
3
Ternary
1101122000221211
4
Quaternary
1030102132201
5
Quinary
20104424000
6
Senary
1552350121
8
Octal
114223641
10
Decimal
19998625
12
Duodecimal
6845341
16
Hexadecimal
13127a1
20
Vigesimal
64jgb5
36
Base36
bwn1d
md5
2d8ae9c0f997b0dc7308d171c71623a8
sha1
e8f70139f2d480624e5ed3a07e235094cc8bb541
sha256
bffea1580078243b0abe8baec53a244884f86795bd0f62236756077ce0e18c69
sha512
a80b76f376072b050f4ed01c7989b10311eb852954150e75b1f7ec6ed9429c535aceaf0e8e9d7b353874f7ade51606778635d61f6068393338ba1a66ba54bfcc
ripemd-160
58dfc53cf8fa62054c63d821c114795d7415de11
Diameter
39997250
Circumference
125655066.76379
Area
1.2564642797795E+15
Volume
3.3503410609608E+22
Surface area
5.0258571191182E+15
Circumference
125655066.76379
Perimeter
79994500
Area
399945001890625
Diagonal
28282326.703814
Surface area
2399670011343750
Volume
7.9983501134349E+21
Space diagonal
34638634.581517
Perimeter
59995875
Area
1.7318126587695E+14
Altitude
17319317.290759
Surface area
1.7318126587695E+14
Volume
9.4261460058567E+20
Height
9427442.2346045