19991490 (number)

19991490 is an even 8-digits composite number following 19991489 and preceding 19991491. In scientific notation, it is written as 1.9991490 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 5017344 positive integers (up to 19991490) that are relatively prime to 19991490.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-one thousand four hundred ninety

Notation

Scientific notation 1.9991490 × 10^7
Engineering notation 1.9991490 × 10^6

Prime Factorization of 19991490

Prime Factorization 2 × 15 × 17 × 39199

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19991490
Product of the distinct prime numbers

The prime factorization of 19991490 is 2 × 15 × 17 × 39199. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 1, 3, 751, 686, 7314, 2266, 93230, 82531, 235712, 756801, 1822458, 3086810, 60407290, 52127964, 734246125, 108467537, 425439358, 3280633553

Basic calculations (n = 19991490)

Multiplication

n×y
n×2 39982980
n×3 59974470
n×4 79965960
n×5 99957450

Division

n÷y
n÷2 9995745
n÷3 6663830
n÷3 4997872.5
n÷5 3998298

Exponentiation

ny
n2 399659672420100
n3 7.9897923445897E+21
n4 1.5972785375894E+29
n5 3.1931977911433E+36

Nth Root

y√n
2√n 4471.1844068434
3√n 271.40325670783
4√n 66.866915637282
5√n 28.851542224876

Divisors of 19991490

1, 2, 15, 17, 30, 34, 255, 510, 39199, 78398, 587985, 666383, 1175970, 1332766, 9995745, 19991490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19991489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19991490 can be divided by 16 positive divisors. The sum of these divisors (counting 19991490) is 1, the average is 0.0625.

Base conversion 19991490

Base System Value
2 Binary 1001100010000101111000010
3 Ternary 1101121200011120
4 Quaternary 1030100233002
5 Quinary 20104211430
6 Senary 1552253110
8 Octal 114205702
10 Decimal 19991490
12 Duodecimal 6841196
16 Hexadecimal 1310bc2
20 Vigesimal 64iiea
36 Base36 bwhj6

Cryptographic Hash Functions

md5 9f328b74a9ad2ac90dc1fe34aa389827
sha1 c3ebb3283003a24657625753375b7fd3bd85e3fd
sha256 3b21e3bce73778e37c7293b16932a2b4f2d886fc908fb2687c70228addfe053e
sha512 3033860c0fc893c8b37968eb1004266fc9d1cbc405a07b1820b6c014ebcc599b3bdbbc501310c5aa4946cc450212e5d438fb0913aca2c957e297a7c6523ec5b0
ripemd-160 032d7a0a20c91ffd4ea07753c964bc9a14bc6f69

19991490 as geometric shapes

Circle

Radius = n
Diameter 39982980
Circumference 125610236.23663
Area 1.2555678908111E+15

Sphere

Radius = n
Volume 3.3467563911295E+22
Surface area 5.0222715632444E+15
Circumference 125610236.23663

Square

Length = n
Perimeter 79965960
Area 399659672420100
Diagonal 28272236.290046

Cube

Length = n
Surface area 2397958034520600
Volume 7.9897923445897E+21
Space diagonal 34626276.399005

Equilateral Triangle

Length = n
Perimeter 59974470
Area 1.7305771459199E+14
Altitude 17313138.199503

Triangular Pyramid

Length = n
Surface area 1.7305771459199E+14
Volume 9.4160605785529E+20
Height 9424078.7633487