15561940 (number)

15561940 is an even 8-digits composite number following 15561939 and preceding 15561941. In scientific notation, it is written as 1.5561940 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 6224768 positive integers (up to 15561940) that are relatively prime to 15561940.

Interesting facts

Basic properties

Name

Name fifteen million five hundred sixty-one thousand nine hundred forty

Notation

Scientific notation 1.5561940 × 10^7
Engineering notation 1.5561940 × 10^6

Prime Factorization of 15561940

Prime Factorization 2 × 2 × 5 × 778097

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7780970
Product of the distinct prime numbers

The prime factorization of 15561940 is 2 × 2 × 5 × 778097. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 9, 87, 407, 454, 1444, 9214, 15920, 76128, 539639, 235288, 9484825, 4952763, 63148851, 26559576, 843130878, 396980244, 4545071921, 112928875

Basic calculations (n = 15561940)

Multiplication

n×y
n×2 31123880
n×3 46685820
n×4 62247760
n×5 77809700

Division

n÷y
n÷2 7780970
n÷3 5187313.3333333
n÷3 3890485
n÷5 3112388

Exponentiation

ny
n2 242173976563600
n3 3.7686968928441E+21
n4 5.8648234924627E+28
n5 9.1268031300295E+35

Nth Root

y√n
2√n 3944.8624817603
3√n 249.66322653825
4√n 62.808140250769
5√n 27.441809636116

Divisors of 15561940

1, 2, 4, 5, 10, 20, 778097, 1556194, 3112388, 3890485, 7780970, 15561940

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 -15561939
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 15561940 can be divided by 12 positive divisors. The sum of these divisors (counting 15561940) is 1, the average is 0.083333333333333.

Base conversion 15561940

Base System Value
2 Binary 111011010111010011010100
3 Ternary 1002021121222011
4 Quaternary 323113103110
5 Quinary 12440440230
6 Senary 1313314004
8 Octal 73272324
10 Decimal 15561940
12 Duodecimal 5265904
16 Hexadecimal ed74d4
20 Vigesimal 4h54h0
36 Base36 99jo4

Cryptographic Hash Functions

md5 50ee71bd18f9f6d09f027be183cc8e01
sha1 d992b4055519d63cec4cf10d0f14a85ed87544c5
sha256 00b28fec387f206d8883ad9e092f8e7769e6eb67fc919bdc1d4d4fa31828d51d
sha512 121d2e8c634a279bea12c0af38cb81f12dac40a6feb0d4893c739ed84048d74ca1bce471c46e73865ea5c48d10c60f80f80d600f0d0584a88505f6225b931227
ripemd-160 d312da7ee965941dc32fa6d1e234e021637a6635

15561940 as geometric shapes

Circle

Radius = n
Diameter 31123880
Circumference 97778552.75921
Area 7.6081198566283E+14

Sphere

Radius = n
Volume 1.5786280629554E+22
Surface area 3.0432479426513E+15
Circumference 97778552.75921

Square

Length = n
Perimeter 62247760
Area 242173976563600
Diagonal 22007906.604836

Cube

Length = n
Surface area 1453043859381600
Volume 3.7686968928441E+21
Space diagonal 26954070.744338

Equilateral Triangle

Length = n
Perimeter 46685820
Area 1.0486440791979E+14
Altitude 13477035.372169

Triangular Pyramid

Length = n
Surface area 1.0486440791979E+14
Volume 4.4414518819446E+20
Height 7335968.8682788