19797387 is an odd 8-digits composite number following 19797386
and preceding 19797388 . In scientific notation, it is written as 1.9797387 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 12917352 positive integers (up to 19797387) that are relatively prime to 19797387.
19797387 has 8 divisors, whose sum is 26958336
The reverse of 19797387 is 78379791
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million seven hundred ninety-seven thousand three hundred eighty-seven
Scientific notation
1.9797387 × 10^7
Engineering notation
1.9797387 × 10^6
Prime Factorization
3 × 47 × 140407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19797387
Product of the distinct prime numbers
The prime factorization of 19797387 is 3 × 47 × 140407.
Since it has a total of 3 prime factors.
4 , 7 , 25 , 94 , 752 , 835 , 8343 , 8912 , 89730 , 34652 , 83608 , 830353 , 3286263 , 9945460 , 33000803 , 33914185 , 218478915 , 13669641 , 3879998999 , 2001966091
n×2
39594774
n×3
59392161
n×4
79189548
n×5
98986935
n÷2
9898693.5
n÷3
6599129
n÷3
4949346.75
n÷5
3959477.4
n2
391936532027769
n3
7.7593192039916E+21
n4
1.5361424513795E+29
n5
3.041160659709E+36
2 √n
4449.4254685296
3 √n
270.52202161603
4 √n
66.704013886194
5 √n
28.795297813631
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
-19797386
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 19797387 can be divided by 8 positive divisors.
The sum of these divisors (counting 19797387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011100001010110001011
3
Ternary
1101020210220120
4
Quaternary
1023201112023
5
Quinary
20032004022
6
Senary
1544154323
8
Octal
113412613
10
Decimal
19797387
12
Duodecimal
67689a3
16
Hexadecimal
12e158b
20
Vigesimal
63ed97
36
Base36
bsbrf
md5
c22a41ff475834d7e8ecbd2680bd5357
sha1
fdd350240ee6191be297f12c5a39ce640913c97b
sha256
a51d8246d487ed471ff812e475b47585b94128bb37af7cf2b4e62df0051b03cf
sha512
e8bc5270522fc7add600f072e4842e217a8cc21bb454a226a03034a2f9897249ada3ad80b0df7a946dc7d49373cf72438d1b46b7d437dcbfcb3b319dde71a17a
ripemd-160
a670a70ba492cbf1977bb6ac0023d87cfe30f35e
Diameter
39594774
Circumference
124390651.11895
Area
1.2313049296919E+15
Volume
3.2502160277491E+22
Surface area
4.9252197187676E+15
Circumference
124390651.11895
Perimeter
79189548
Area
391936532027769
Diagonal
27997733.194949
Surface area
2351619192166614
Volume
7.7593192039916E+21
Space diagonal
34290080.141104
Perimeter
59392161
Area
1.6971349670361E+14
Altitude
17145040.070552
Surface area
1.6971349670361E+14
Volume
9.1444453775558E+20
Height
9332577.7316496