15661660 (number)

15661660 is an even 8-digits composite number following 15661659 and preceding 15661661. In scientific notation, it is written as 1.5661660 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 5369664 positive integers (up to 15661660) that are relatively prime to 15661660.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand six hundred sixty

Notation

Scientific notation 1.5661660 × 10^7
Engineering notation 1.5661660 × 10^6

Prime Factorization of 15661660

Prime Factorization 2 × 2 × 35 × 111869

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7830830
Product of the distinct prime numbers

The prime factorization of 15661660 is 2 × 2 × 35 × 111869. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 68, 20, 204, 90, 2393, 4974, 11548, 11604, 549296, 726003, 5499222, 7940676, 56635434, 44834183, 525259509, 823470580, 5749434854, 7872302286

Basic calculations (n = 15661660)

Multiplication

n×y
n×2 31323320
n×3 46984980
n×4 62646640
n×5 78308300

Division

n÷y
n÷2 7830830
n÷3 5220553.3333333
n÷3 3915415
n÷5 3132332

Exponentiation

ny
n2 245287593955600
n3 3.8416108987507E+21
n4 6.0166003748527E+28
n5 9.4229949426816E+35

Nth Root

y√n
2√n 3957.4815223826
3√n 250.19536728672
4√n 62.908517089363
5√n 27.476888938292

Divisors of 15661660

1, 2, 4, 35, 70, 140, 111869, 223738, 447476, 3915415, 7830830, 15661660

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661660 can be divided by 12 positive divisors. The sum of these divisors (counting 15661660) is 1, the average is 0.083333333333333.

Base conversion 15661660

Base System Value
2 Binary 111011101111101001011100
3 Ternary 1002110200202111
4 Quaternary 323233221130
5 Quinary 13002133120
6 Senary 1315403404
8 Octal 73575134
10 Decimal 15661660
12 Duodecimal 52b3564
16 Hexadecimal eefa5c
20 Vigesimal 4hhe30
36 Base36 9bom4

Cryptographic Hash Functions

md5 5c842f64e780d8cad9a74f3f3a1a9612
sha1 6d214e971e67a3d8184afc7e612a559a3c8d3ef2
sha256 1b2910634bb1e3e0c717fc7d4a5f0ed12cbb83d9990581433c2dfa6f09a11802
sha512 5c4b70634a18174cca740d860f89973a9281b90c96df8a28b4b1658cfc350c0a8e21211a9bf489ced89088319f8d30cb72beac57ab20ea924e4498a771f1de10
ripemd-160 4793be7ffbc30961ba20dd322c2ab7a583c947ef

15661660 as geometric shapes

Circle

Radius = n
Diameter 31323320
Circumference 98405111.998042
Area 7.7059370318763E+14

Sphere

Radius = n
Volume 1.6091702103287E+22
Surface area 3.0823748127505E+15
Circumference 98405111.998042

Square

Length = n
Perimeter 62646640
Area 245287593955600
Diagonal 22148931.981276

Cube

Length = n
Surface area 1471725563733600
Volume 3.8416108987507E+21
Space diagonal 27126790.850869

Equilateral Triangle

Length = n
Perimeter 46984980
Area 1.0621264379936E+14
Altitude 13563395.425435

Triangular Pyramid

Length = n
Surface area 1.0621264379936E+14
Volume 4.5273818619779E+20
Height 7382977.3270921