19991390 (number)

19991390 is an even 8-digits composite number following 19991389 and preceding 19991391. In scientific notation, it is written as 1.9991390 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 7968096 positive integers (up to 19991390) that are relatively prime to 19991390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9991390 × 10^7
Engineering notation 1.9991390 × 10^6

Prime Factorization of 19991390

Prime Factorization 2 × 5 × 293 × 6823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19991390
Product of the distinct prime numbers

The prime factorization of 19991390 is 2 × 5 × 293 × 6823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 5, 70, 631, 232, 2457, 5101, 1842, 5425, 524824, 917165, 928523, 9420405, 64786950, 45523322, 705610219, 60655373, 1379887713, 6377909553

Basic calculations (n = 19991390)

Multiplication

n×y
n×2 39982780
n×3 59974170
n×4 79965560
n×5 99956950

Division

n÷y
n÷2 9995695
n÷3 6663796.6666667
n÷3 4997847.5
n÷5 3998278

Exponentiation

ny
n2 399655674132100
n3 7.9896724472877E+21
n4 1.5972465786598E+29
n5 3.1931179280154E+36

Nth Root

y√n
2√n 4471.1732241102
3√n 271.40280417576
4√n 66.866832017901
5√n 28.851513360994

Divisors of 19991390

1, 2, 5, 10, 293, 586, 1465, 2930, 6823, 13646, 34115, 68230, 1999139, 3998278, 9995695, 19991390

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 -19991389
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 19991390 can be divided by 16 positive divisors. The sum of these divisors (counting 19991390) is 1, the average is 0.0625.

Base conversion 19991390

Base System Value
2 Binary 1001100010000101101011110
3 Ternary 1101121200000212
4 Quaternary 1030100231132
5 Quinary 20104211030
6 Senary 1552252422
8 Octal 114205536
10 Decimal 19991390
12 Duodecimal 6841112
16 Hexadecimal 1310b5e
20 Vigesimal 64ii9a
36 Base36 bwhge

Cryptographic Hash Functions

md5 49c9bae56a6be485b0752d76aa647df4
sha1 1518caa291c8d245b570321ea3a23c30d5fade3c
sha256 1159c43f34256d8d62b1fee7f44e4608bbc5cb409190a36e775457d1220c5d11
sha512 763ff59ba73d724ce632d30849d602ea9a03626c32d4e6f6da48c940381cbf1cdacaa020ce2c232f5c58636964eb2968d366d8b87d785958498f698f0d27149b
ripemd-160 3ce50e5f7416debbf775f440036b82d1f2d09d64

19991390 as geometric shapes

Circle

Radius = n
Diameter 39982780
Circumference 125609607.9181
Area 1.2555553298189E+15

Sphere

Radius = n
Volume 3.3467061686651E+22
Surface area 5.0222213192755E+15
Circumference 125609607.9181

Square

Length = n
Perimeter 79965560
Area 399655674132100
Diagonal 28272094.86869

Cube

Length = n
Surface area 2397934044792600
Volume 7.9896724472877E+21
Space diagonal 34626103.193924

Equilateral Triangle

Length = n
Perimeter 59974170
Area 1.730559832825E+14
Altitude 17313051.596962

Triangular Pyramid

Length = n
Surface area 1.730559832825E+14
Volume 9.4159192782274E+20
Height 9424031.6228966