19991520 (number)

19991520 is an even 8-digits composite number following 19991519 and preceding 19991521. In scientific notation, it is written as 1.9991520 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 72 positive divisors. There are 5330688 positive integers (up to 19991520) that are relatively prime to 19991520.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-one thousand five hundred twenty

Notation

Scientific notation 1.9991520 × 10^7
Engineering notation 1.9991520 × 10^6

Prime Factorization of 19991520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 416490
Product of the distinct prime numbers

The prime factorization of 19991520 is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13883. Since it has a total of 9 prime factors.

Most popular turbo-numbers

1, 8, 35, 56, 725, 785, 4833, 9169, 95109, 94185, 884483, 87808, 1719871, 3931993, 41187666, 12393733, 752231284, 884013170, 998036008, 6094737325

Basic calculations (n = 19991520)

Multiplication

n×y
n×2 39983040
n×3 59974560
n×4 79966080
n×5 99957600

Division

n÷y
n÷2 9995760
n÷3 6663840
n÷3 4997880
n÷5 3998304

Exponentiation

ny
n2 399660871910400
n3 7.9898283140142E+21
n4 1.5972881253618E+29
n5 3.1932217503933E+36

Nth Root

y√n
2√n 4471.187761658
3√n 271.40339246715
4√n 66.866940723036
5√n 28.851550884018

Divisors of 19991520

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13883, 27766, 41649, 55532, 69415, 83298, 111064, 124947, 138830, 166596, 208245, 222128, 249894, 277660, 333192, 416490, 444256, 499788, 555320, 624735, 666384, 832980, 999576, 1110640, 1249470, 1332768, 1665960, 1999152, 2221280, 2498940, 3331920, 3998304, 4997880, 6663840, 9995760, 19991520

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19991519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19991520 can be divided by 72 positive divisors. The sum of these divisors (counting 19991520) is 1, the average is 0.013888888888889.

Base conversion 19991520

Base System Value
2 Binary 1001100010000101111100000
3 Ternary 1101121200012200
4 Quaternary 1030100233200
5 Quinary 20104212040
6 Senary 1552253200
8 Octal 114205740
10 Decimal 19991520
12 Duodecimal 6841200
16 Hexadecimal 1310be0
20 Vigesimal 64iig0
36 Base36 bwhk0

Cryptographic Hash Functions

md5 7b0e676faf8b5455dcb3812f17e8218d
sha1 1be29ee0f19e4e0e0a48522cec72a5b8a910f526
sha256 d2bc3eb1cc5fc5a8472455957257b1ec92129240ba99d222d3f9481192af8a46
sha512 9e780ce1e517e26c50aec86b05354ad3803128eb8b31ed39920020bdcdede70176860ee4f026df14addbe0c04bc1f85f64785edf405f2f70cad865fc32206026
ripemd-160 869f1b14071b5d57b324d3bde9f2ade1e1677fb0

19991520 as geometric shapes

Circle

Radius = n
Diameter 39983040
Circumference 125610424.73219
Area 1.255571659121E+15

Sphere

Radius = n
Volume 3.3467714579668E+22
Surface area 5.022286636484E+15
Circumference 125610424.73219

Square

Length = n
Perimeter 79966080
Area 399660871910400
Diagonal 28272278.716453

Cube

Length = n
Surface area 2397965231462400
Volume 7.9898283140142E+21
Space diagonal 34626328.360529

Equilateral Triangle

Length = n
Perimeter 59974560
Area 1.7305823398652E+14
Altitude 17313164.180265

Triangular Pyramid

Length = n
Surface area 1.7305823398652E+14
Volume 9.4161029689262E+20
Height 9424092.9054843