19909990 (number)

19909990 is an even 8-digits composite number following 19909989 and preceding 19909991. In scientific notation, it is written as 1.9909990 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 7952256 positive integers (up to 19909990) that are relatively prime to 19909990.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred nine thousand nine hundred ninety

Notation

Scientific notation 1.9909990 × 10^7
Engineering notation 1.9909990 × 10^6

Prime Factorization of 19909990

Prime Factorization 2 × 5 × 1063 × 1873

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19909990
Product of the distinct prime numbers

The prime factorization of 19909990 is 2 × 5 × 1063 × 1873. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 42, 72, 893, 500, 6910, 9913, 51263, 43888, 20090, 279797, 4154319, 2714399, 27050744, 31719212, 686091726, 458835396, 1419860020, 1757873394

Basic calculations (n = 19909990)

Multiplication

n×y
n×2 39819980
n×3 59729970
n×4 79639960
n×5 99549950

Division

n÷y
n÷2 9954995
n÷3 6636663.3333333
n÷3 4977497.5
n÷5 3981998

Exponentiation

ny
n2 396407701800100
n3 7.892473378763E+21
n4 1.5713906604644E+29
n5 3.1286372335939E+36

Nth Root

y√n
2√n 4462.0611829064
3√n 271.03394136505
4√n 66.798661535291
5√n 28.827979753925

Divisors of 19909990

1, 2, 5, 10, 1063, 1873, 2126, 3746, 5315, 9365, 10630, 18730, 1990999, 3981998, 9954995, 19909990

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 -19909989
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 19909990 can be divided by 16 positive divisors. The sum of these divisors (counting 19909990) is 1, the average is 0.0625.

Base conversion 19909990

Base System Value
2 Binary 1001011111100110101100110
3 Ternary 1101110112101001
4 Quaternary 1023330311212
5 Quinary 20044104430
6 Senary 1550423514
8 Octal 113746546
10 Decimal 19909990
12 Duodecimal 6801b9a
16 Hexadecimal 12fcd66
20 Vigesimal 648eja
36 Base36 buqna

Cryptographic Hash Functions

md5 8d550af94bb1f289b429648404f5803a
sha1 0ab75f5dcb1aca174d9af68b2960b7dfdfaf3e4f
sha256 4eebd65a161b5e001019e4875d4f0d4e5d8b08f576ccf9714f18d46a9f381a2c
sha512 07a6807ca3b6204573926f29270be3e22ab87a7729b31b208e082803e89b5d74836e98514ef905d350d11b296594466b587647c7168f1ef2833f208d89af5310
ripemd-160 553a16e14140f2deef4a2ed05058fe991f5c1939

19909990 as geometric shapes

Circle

Radius = n
Diameter 39819980
Circumference 125098156.63409
Area 1.2453515238016E+15

Sphere

Radius = n
Volume 3.30599151805E+22
Surface area 4.9814060952064E+15
Circumference 125098156.63409

Square

Length = n
Perimeter 79639960
Area 396407701800100
Diagonal 28156977.884713

Cube

Length = n
Surface area 2378446210800600
Volume 7.892473378763E+21
Space diagonal 34485114.258188

Equilateral Triangle

Length = n
Perimeter 59729970
Area 1.7164957000735E+14
Altitude 17242557.129094

Triangular Pyramid

Length = n
Surface area 1.7164957000735E+14
Volume 9.3013690774293E+20
Height 9385659.2949042