19997490 is an even 8-digits composite number following 19997489
and preceding 19997491 . In scientific notation, it is written as 1.9997490 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 5252544 positive integers (up to 19997490) that are relatively prime to 19997490.
19997490 has 32 divisors, whose sum is 48715200
The reverse of 19997490 is 09479991
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred ninety-seven thousand four hundred ninety
Scientific notation
1.9997490 × 10^7
Engineering notation
1.9997490 × 10^6
Prime Factorization
2 × 3 × 5 × 67 × 9949
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19997490
Product of the distinct prime numbers
The prime factorization of 19997490 is 2 × 3 × 5 × 67 × 9949.
Since it has a total of 5 prime factors.
2 , 8 , 25 , 79 , 583 , 568 , 2026 , 6108 , 91120 , 985 , 328780 , 557039 , 3644753 , 2150744 , 66306618 , 73218677 , 185992542 , 411681137 , 2478550149 , 8828627180
n×2
39994980
n×3
59992470
n×4
79989960
n×5
99987450
n÷2
9998745
n÷3
6665830
n÷3
4999372.5
n÷5
3999498
n2
399899606300100
n3
7.9969883779902E+21
n4
1.5991969511897E+29
n5
3.1979925039448E+36
2 √n
4471.8553196632
3 √n
271.43040587073
4 √n
66.871932226183
5 √n
28.853273846432
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 67 , 134 , 201 , 335 , 402 , 670 , 1005 , 2010 , 9949 , 19898 , 29847 , 49745 , 59694 , 99490 , 149235 , 298470 , 666583 , 1333166 , 1999749 , 3332915 , 3999498 , 6665830 , 9998745 , 19997490
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
-19997489
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 19997490 can be divided by 32 positive divisors.
The sum of these divisors (counting 19997490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100010010001100110010
3
Ternary
1101121222101210
4
Quaternary
1030102030302
5
Quinary
20104404430
6
Senary
1552340550
8
Octal
114221462
10
Decimal
19997490
12
Duodecimal
6844756
16
Hexadecimal
1312332
20
Vigesimal
64jdea
36
Base36
bwm5u
md5
6378265d29e47691b5236cea4bada67a
sha1
82167d8588b85e44e94e9185d842bc997a2f9751
sha256
ef7a7594bb163b6c20b90e924f7eda1ff6f8e0e8932cad10c60eeb5fa8e688dd
sha512
e518cff91c81a7d7fffbe98933c8c0b0738dc4341a6c8cc0241ec7f82fd70ce2faf11990dc03e9af0cf74e26da09195d07b31197dff897b8940684e17f5ff850
ripemd-160
ed8f3c8c47a38c3f74182840c6cf4576c744ece1
Diameter
39994980
Circumference
125647935.34847
Area
1.2563216653258E+15
Volume
3.3497706585516E+22
Surface area
5.0252866613034E+15
Circumference
125647935.34847
Perimeter
79989960
Area
399899606300100
Diagonal
28280721.57142
Surface area
2399397637800600
Volume
7.9969883779902E+21
Space diagonal
34636668.703851
Perimeter
59992470
Area
1.7316160900964E+14
Altitude
17318334.351925
Surface area
1.7316160900964E+14
Volume
9.4245411852448E+20
Height
9426907.1904734