1387445 (number)

1387445 is an odd 7-digits composite number following 1387444 and preceding 1387446. In scientific notation, it is written as 1.387445 × 10^6. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 1091520 positive integers (up to 1387445) that are relatively prime to 1387445.

Interesting facts

Basic properties

Name

Name one million three hundred eighty-seven thousand four hundred forty-five

Notation

Scientific notation 1.387445 × 10^6
Engineering notation 1.387445 × 10^6

Prime Factorization of 1387445

Prime Factorization 5 × 61 × 4549

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1387445
Product of the distinct prime numbers

The prime factorization of 1387445 is 5 × 61 × 4549. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1387445)

Multiplication

n×y
n×2 2774890
n×3 4162335
n×4 5549780
n×5 6937225

Division

n÷y
n÷2 693722.5
n÷3 462481.66666667
n÷3 346861.25
n÷5 277489

Exponentiation

ny
n2 1925003628025
n3 2670836658685146125
n4 3.7056389679094E+24
n5 5.1413702578311E+30

Nth Root

y√n
2√n 1177.8985525078
3√n 111.53348146916
4√n 34.320526693333
5√n 16.921667423918

Divisors of 1387445

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1387444
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387445 can be divided by 8 positive divisors. The sum of these divisors (counting 1387445) is 1, the average is 0.125.

Base conversion 1387445

Base System Value
2 Binary 101010010101110110101
3 Ternary 2121111012212
4 Quaternary 11102232311
5 Quinary 323344240
6 Senary 45423205
8 Octal 5225665
10 Decimal 1387445
12 Duodecimal 56ab05
16 Hexadecimal 152bb5
20 Vigesimal 8d8c5
36 Base36 tqk5

Cryptographic Hash Functions

md5 047a97695a60a72be55cb85fb2aebc4b
sha1 e985fc8091d2d05a423df873d5714a849694d9c5
sha256 e0bc0c3c853614139fe322a0abf7210853a8a6573b4f448761271251be733fc5
sha512 d26c149e179c2e4f045b1ab7a35ea45ac4f3519aa4c0a006ebe4af6ff8ee01d6dc21c15712b6227647d21540da857a5db68337b66cba97a6dfb34db4f12965c2
ripemd-160 2e3952b35e7c9cd528ea43810c0b4dfe1c6d92d3

1387445 as geometric shapes

Circle

Radius = n
Diameter 2774890
Circumference 8717574.0385198
Area 6047577255937

Sphere

Radius = n
Volume 1.1187574434485E+19
Surface area 24190309023748
Circumference 8717574.0385198

Square

Length = n
Perimeter 5549780
Area 1925003628025
Diagonal 1962143.5360467

Cube

Length = n
Surface area 11550021768150
Volume 2670836658685146125
Space diagonal 2403125.2327074

Equilateral Triangle

Length = n
Perimeter 4162335
Area 833551022123.43
Altitude 1201562.6163537

Triangular Pyramid

Length = n
Surface area 833551022123.43
Volume 3.1476111879965E+17
Height 654047.84534891