19991497 is an odd 8-digits composite number following 19991496
and preceding 19991498 . In scientific notation, it is written as 1.9991497 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 18933600 positive integers (up to 19991497) that are relatively prime to 19991497.
19991497 has 4 divisors, whose sum is 20006676
The reverse of 19991497 is 79419991
Previous prime number is 1457
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred ninety-one thousand four hundred ninety-seven
Scientific notation
1.9991497 × 10^7
Engineering notation
1.9991497 × 10^6
Prime Factorization
1457 × 13721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19991497
Product of the distinct prime numbers
The prime factorization of 19991497 is 1457 × 13721.
Since it has a total of 2 prime factors.
1 , 9 , 42 , 73 , 290 , 378 , 20 , 5917 , 38896 , 88844 , 502224 , 137029 , 686744 , 4292596 , 25959061 , 88025097 , 972546302 , 544813406 , 4839041266 , 9067735110
n×2
39982994
n×3
59974491
n×4
79965988
n×5
99957485
n÷2
9995748.5
n÷3
6663832.3333333
n÷3
4997874.25
n÷5
3998299.4
n2
399659952301009
n3
7.9898007374458E+21
n4
1.5972807747324E+29
n5
3.1932033816221E+36
2 √n
4471.1851896337
3 √n
271.40328838501
4 √n
66.866921490627
5 √n
28.851544245343
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19991496
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19991497 can be divided by 4 positive divisors.
The sum of these divisors (counting 19991497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000101111001001
3
Ternary
1101121200011211
4
Quaternary
1030100233021
5
Quinary
20104211442
6
Senary
1552253121
8
Octal
114205711
10
Decimal
19991497
12
Duodecimal
68411a1
16
Hexadecimal
1310bc9
20
Vigesimal
64iieh
36
Base36
bwhjd
md5
d4576592f756821638a85c5e33a53102
sha1
533caa1ec003f35fee5c3ac6bf314286e36ce8d0
sha256
90e9ccb111b784ca6260d46551f8bddb920f8bf78f5175939cc2f352b89cc152
sha512
cf10dda144d3efaff6c7006edc1fc9634be9fc0a7f248524bcd9fa4042dae5a137b1f843cbb091e25adabe6d443742818656b9a60b5d3047c984b4832e47120b
ripemd-160
7b552d7e44e889148af70aa7a962a26480145b06
Diameter
39982994
Circumference
125610280.21892
Area
1.2555687700829E+15
Volume
3.3467599067208E+22
Surface area
5.0222750803316E+15
Circumference
125610280.21892
Perimeter
79965988
Area
399659952301009
Diagonal
28272246.189541
Surface area
2397959713806054
Volume
7.9898007374458E+21
Space diagonal
34626288.523361
Perimeter
59974491
Area
1.7305783578398E+14
Altitude
17313144.26168
Surface area
1.7305783578398E+14
Volume
9.4160704696286E+20
Height
9424082.0631803