19998755 is an odd 8-digits composite number following 19998754
and preceding 19998756 . In scientific notation, it is written as 1.9998755 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 13453440 positive integers (up to 19998755) that are relatively prime to 19998755.
19998755 has 16 divisors, whose sum is 27946944
The reverse of 19998755 is 55789991
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million nine hundred ninety-eight thousand seven hundred fifty-five
Scientific notation
1.9998755 × 10^7
Engineering notation
1.9998755 × 10^6
Prime Factorization
5 × 7 × 53 × 10781
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19998755
Product of the distinct prime numbers
The prime factorization of 19998755 is 5 × 7 × 53 × 10781.
Since it has a total of 4 prime factors.
6 , 9 , 87 , 27 , 195 , 780 , 5589 , 5539 , 25782 , 92231 , 102520 , 591545 , 3464540 , 7674368 , 81192786 , 50541307 , 501537217 , 441657208 , 2132066901 , 6910368273
n×2
39997510
n×3
59996265
n×4
79995020
n×5
99993775
n÷2
9999377.5
n÷3
6666251.6666667
n÷3
4999688.75
n÷5
3999751
n2
399950201550025
n3
7.9985060929996E+21
n4
1.5996016371991E+29
n5
3.1990041239943E+36
2 √n
4471.9967576017
3 √n
271.43612912606
4 √n
66.872989746247
5 √n
28.853638876922
1 , 5 , 7 , 35 , 53 , 265 , 371 , 1855 , 10781 , 53905 , 75467 , 377335 , 571393 , 2856965 , 3999751 , 19998755
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
-19998754
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 19998755 can be divided by 16 positive divisors.
The sum of these divisors (counting 19998755) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010100000100011
3
Ternary
1101122001010122
4
Quaternary
1030102200203
5
Quinary
20104430010
6
Senary
1552350455
8
Octal
114224043
10
Decimal
19998755
12
Duodecimal
684542b
16
Hexadecimal
1312823
20
Vigesimal
64jghf
36
Base36
bwn4z
md5
f4836294b1ca34aaa36449efa581d9e5
sha1
bb6b201a44889b108ac38a2f371ad11855ffbc09
sha256
0306535cb49da54bd316b1cc62339e7529c33620aee2ca3840ecc049cef7ac24
sha512
3fa45dc5b9d704317fe4340a4cb24ace892a129c5d636b32b99f2295babac5f8bd389d34530f88aed32eab25e53cddb86b765c0eda94d0f03ace76229be2fcdd
ripemd-160
ebbac823fdc12abc8c7d4ffa4c06d001c8626a61
Diameter
39997510
Circumference
125655883.57788
Area
1.2564806149913E+15
Volume
3.3504063975281E+22
Surface area
5.0259224599653E+15
Circumference
125655883.57788
Perimeter
79995020
Area
399950201550025
Diagonal
28282510.551577
Surface area
2399701209300150
Volume
7.9985060929996E+21
Space diagonal
34638859.748122
Perimeter
59996265
Area
1.7318351739551E+14
Altitude
17319429.874061
Surface area
1.7318351739551E+14
Volume
9.4263298295365E+20
Height
9427503.5171923