18972661 (number)

18972661 is an odd 8-digits prime number following 18972660 and preceding 18972662. In scientific notation, it is written as 1.8972661 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 18972660 positive integers (up to 18972661) that are relatively prime to 18972661.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred seventy-two thousand six hundred sixty-one

Notation

Scientific notation 1.8972661 × 10^7
Engineering notation 1.8972661 × 10^6

Prime Factorization of 18972661

Prime Factorization 18972661

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18972661
Product of the distinct prime numbers

The prime factorization of 18972661 is 18972661. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18972661)

Multiplication

n×y
n×2 37945322
n×3 56917983
n×4 75890644
n×5 94863305

Division

n÷y
n÷2 9486330.5
n÷3 6324220.3333333
n÷3 4743165.25
n÷5 3794532.2

Exponentiation

ny
n2 359961865420921
n3 6.8294344455588E+21
n4 1.2957254455731E+29
n5 2.4583359627932E+36

Nth Root

y√n
2√n 4355.7618162613
3√n 266.71211846784
4√n 65.99819555307
5√n 28.551284354525

Divisors of 18972661

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18972662
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9486331
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4355.7619310518
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998945852
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18972661 can be divided by 2 positive divisors. The sum of these divisors (counting 18972661) is 18972662, the average is 9486331.

Base conversion 18972661

Base System Value
2 Binary 1001000010111111111110101
3 Ternary 1022200220121011
4 Quaternary 1020113333311
5 Quinary 14324111121
6 Senary 1514352221
8 Octal 110277765
10 Decimal 18972661
12 Duodecimal 642b671
16 Hexadecimal 1217ff5
20 Vigesimal 5ibbd1
36 Base36 baned

Cryptographic Hash Functions

md5 fdabf8869ffb7817907a455d67a0dcd8
sha1 aa382e6c376efe5188888f3be0dbdf6e76d0de82
sha256 c83e8961f275641f89860539ac5b2e7d14a196a1ea998c2507dea5d20eff7ee0
sha512 57926a0aaf8a47efa78206fc06314b33431da673ee01cf7ebe080a79c2b7029e0308648fd0b20d99a78168005075c13599755025aedde866addd83dab7180fdc
ripemd-160 4a16542fe933807eb5d2a1bc57b710d021d0f7c4

18972661 as geometric shapes

Circle

Radius = n
Diameter 37945322
Circumference 119208744.8333
Area 1.1308535519788E+15

Sphere

Radius = n
Volume 2.8607068109787E+22
Surface area 4.5234142079154E+15
Circumference 119208744.8333

Square

Length = n
Perimeter 75890644
Area 359961865420921
Diagonal 26831394.500507

Cube

Length = n
Surface area 2159771192525526
Volume 6.8294344455588E+21
Space diagonal 32861612.806781

Equilateral Triangle

Length = n
Perimeter 56917983
Area 1.5586805992408E+14
Altitude 16430806.40339

Triangular Pyramid

Length = n
Surface area 1.5586805992408E+14
Volume 8.048565680206E+20
Height 8943798.1668357