19971488 is an even 8-digits composite number following 19971487
and preceding 19971489 . In scientific notation, it is written as 1.9971488 × 10^7.
The sum of its digits is 47. It has a total of 7 prime factors and 24 positive divisors.
There are 9640960 positive integers (up to 19971488) that are relatively prime to 19971488.
19971488 has 24 divisors, whose sum is 40676580
The reverse of 19971488 is 88417991
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred seventy-one thousand four hundred eighty-eight
Scientific notation
1.9971488 × 10^7
Engineering notation
1.9971488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 29 × 21521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1248218
Product of the distinct prime numbers
The prime factorization of 19971488 is 2 × 2 × 2 × 2 × 2 × 29 × 21521.
Since it has a total of 7 prime factors.
7 , 2 , 82 , 71 , 231 , 664 , 9625 , 2972 , 79805 , 17763 , 957728 , 158352 , 5699439 , 4587615 , 53675386 , 18259358 , 39637382 , 978748321 , 9634212450 , 8877170007
n×2
39942976
n×3
59914464
n×4
79885952
n×5
99857440
n÷2
9985744
n÷3
6657162.6666667
n÷3
4992872
n÷5
3994297.6
n2
398860332934144
n3
7.9658343528703E+21
n4
1.5908956518834E+29
n5
3.1772553420841E+36
2 √n
4468.9470795703
3 √n
271.31271119013
4 √n
66.850183840961
5 √n
28.845766570904
1 , 2 , 4 , 8 , 16 , 29 , 32 , 58 , 116 , 232 , 464 , 928 , 21521 , 43042 , 86084 , 172168 , 344336 , 624109 , 688672 , 1248218 , 2496436 , 4992872 , 9985744 , 19971488
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19971487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19971488 can be divided by 24 positive divisors.
The sum of these divisors (counting 19971488) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100001011110110100000
3
Ternary
1101120122201202
4
Quaternary
1030023312200
5
Quinary
20103041423
6
Senary
1552020332
8
Octal
114136640
10
Decimal
19971488
12
Duodecimal
68316a8
16
Hexadecimal
130bda0
20
Vigesimal
64g8e8
36
Base36
bw23k
md5
dcc76464b510e5518f4544dee124f30d
sha1
61376d4ca059634d3aebd7938974ea604bb25b1c
sha256
57b97ab36f4a658944b612a1d341e52fcc2faf04748dd6fe937a09d8ddd2e7cf
sha512
1abe4cef73c67d5c0b3defb19f1220e013385c1ab50fdbd461758b007109d8d9544df2644771a87f068f099c75559c90ddc8e3e38adb154167bd291631e54c1c
ripemd-160
dd47601536ea9df654d5f79b2d0dade50349efe5
Diameter
39942976
Circumference
125484559.96411
Area
1.2530566917543E+15
Volume
3.3367208910254E+22
Surface area
5.0122267670171E+15
Circumference
125484559.96411
Perimeter
79885952
Area
398860332934144
Diagonal
28243949.190372
Surface area
2393161997604864
Volume
7.9658343528703E+21
Space diagonal
34591631.918752
Perimeter
59914464
Area
1.7271159044144E+14
Altitude
17295815.959376
Surface area
1.7271159044144E+14
Volume
9.3878258145389E+20
Height
9414649.7301238