19981272 is an even 8-digits composite number following 19981271
and preceding 19981273 . In scientific notation, it is written as 1.9981272 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 6641184 positive integers (up to 19981272) that are relatively prime to 19981272.
19981272 has 32 divisors, whose sum is 50097600
The reverse of 19981272 is 27218991
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million nine hundred eighty-one thousand two hundred seventy-two
Scientific notation
1.9981272 × 10^7
Engineering notation
1.9981272 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 419 × 1987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4995318
Product of the distinct prime numbers
The prime factorization of 19981272 is 2 × 2 × 2 × 3 × 419 × 1987.
Since it has a total of 6 prime factors.
9 , 6 , 94 , 3 , 406 , 29 , 5419 , 9743 , 51070 , 14173 , 274556 , 992286 , 5103060 , 2099654 , 78583394 , 37767581 , 72566530 , 311566359 , 3485361784 , 2407994349
n×2
39962544
n×3
59943816
n×4
79925088
n×5
99906360
n÷2
9990636
n÷3
6660424
n÷3
4995318
n÷5
3996254.4
n2
399251230737984
n3
7.9775474377104E+21
n4
1.5940154524579E+29
n5
3.1850456327765E+36
2 √n
4470.0416105446
3 √n
271.35700917804
4 √n
66.858369786771
5 √n
28.8485923162
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 419 , 838 , 1257 , 1676 , 1987 , 2514 , 3352 , 3974 , 5028 , 5961 , 7948 , 10056 , 11922 , 15896 , 23844 , 47688 , 832553 , 1665106 , 2497659 , 3330212 , 4995318 , 6660424 , 9990636 , 19981272
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981271
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981272 can be divided by 32 positive divisors.
The sum of these divisors (counting 19981272) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100001110001111011000
3
Ternary
1101121011011010
4
Quaternary
1030032033120
5
Quinary
20103400042
6
Senary
1552133520
8
Octal
114161730
10
Decimal
19981272
12
Duodecimal
68372a0
16
Hexadecimal
130e3d8
20
Vigesimal
64hd3c
36
Base36
bw9nc
md5
961dbb6485cb587678fc196a4e6f338c
sha1
3335250deea15b3519a28d686f720aecd2246146
sha256
d42db8de88fe7e7ad857f3a6e7af82173363ba456ba470bacaaf7a46ac618a61
sha512
dec16f9df1de0a7da1786610a5704ca28d5b8592e40aa0c6456fe7989a56f05466de62eb1a7f204287c752d602b7cba3a03c420e2cd532222c7f6991e8544179
ripemd-160
760806ee413d0dbb3bb8b4e362055f16c0caab1c
Diameter
39962544
Circumference
125546034.64916
Area
1.2542847334231E+15
Volume
3.34162725653E+22
Surface area
5.0171389336925E+15
Circumference
125546034.64916
Perimeter
79925088
Area
399251230737984
Diagonal
28257785.855866
Surface area
2395507384427904
Volume
7.9775474377104E+21
Space diagonal
34608578.303853
Perimeter
59943816
Area
1.7288085415565E+14
Altitude
17304289.151927
Surface area
1.7288085415565E+14
Volume
9.401629817404E+20
Height
9419261.9519553