1387665944 (number)

1387665944 is an even 10-digits composite number following 1387665943 and preceding 1387665945. In scientific notation, it is written as 1.387665944 × 10^9. The sum of its digits is 53. It has a total of 7 prime factors and 64 positive divisors. There are 581986944 positive integers (up to 1387665944) that are relatively prime to 1387665944.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-seven million six hundred sixty-five thousand nine hundred forty-four

Notation

Scientific notation 1.387665944 × 10^9
Engineering notation 1.387665944 × 10^9

Prime Factorization of 1387665944

Prime Factorization 2 × 2 × 2 × 7 × 163 × 67 × 2269

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 346916486
Product of the distinct prime numbers

The prime factorization of 1387665944 is 2 × 2 × 2 × 7 × 163 × 67 × 2269. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1387665944)

Multiplication

n×y
n×2 2775331888
n×3 4162997832
n×4 5550663776
n×5 6938329720

Division

n÷y
n÷2 693832972
n÷3 462555314.66667
n÷3 346916486
n÷5 277533188.8

Exponentiation

ny
n2 1925616772137411136
n3 2.6721128158903E+27
n4 3.7079999531369E+36
n5 5.1454652553217E+45

Nth Root

y√n
2√n 37251.388484189
3√n 1115.3940154661
4√n 193.00618768368
5√n 67.368516809858

Divisors of 1387665944

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1387665943
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387665944 can be divided by 64 positive divisors. The sum of these divisors (counting 1387665944) is 1, the average is 0.015625.

Base conversion 1387665944

Base System Value
2 Binary 1010010101101100001101000011000
3 Ternary 10120201010201210222
4 Quaternary 1102231201220120
5 Quinary 10320220302234
6 Senary 345410255212
8 Octal 12255415030
10 Decimal 1387665944
12 Duodecimal 328887508
16 Hexadecimal 52b61a18
20 Vigesimal 11dci4h4
36 Base36 my6hw8

Cryptographic Hash Functions

md5 87b8473dcfabe3dd1d84ca5fbfa7c53a
sha1 10f37a230f77dd0b0e08d4919817e0f0181d3f14
sha256 62f69c6b9386bfb1be6a7cc94e572635043d034ba15708e5551aa38e3bd1d21e
sha512 0aa9c193411b3d26d0d3a39202d91a7b6332eb35a7a292af52d16b4796869cfe5bd466c73fc8ff9d7e3b16b23c05c5a4d2fa46b22ec4704d8cca021b69e204a2
ripemd-160 9796ec1948ec3c053a7fb7a2b86caf974294aefb

1387665944 as geometric shapes

Circle

Radius = n
Diameter 2775331888
Circumference 8718962270.6143
Area 6.0495035049762E+18

Sphere

Radius = n
Volume 1.1192919989285E+28
Surface area 2.4198014019905E+19
Circumference 8718962270.6143

Square

Length = n
Perimeter 5550663776
Area 1925616772137411136
Diagonal 1962455998.0481

Cube

Length = n
Surface area 1.1553700632824E+19
Volume 2.6721128158903E+27
Space diagonal 2403507918.941

Equilateral Triangle

Length = n
Perimeter 4162997832
Area 8.3381652131219E+17
Altitude 1201753959.4705

Triangular Pyramid

Length = n
Surface area 8.3381652131219E+17
Volume 3.1491151536858E+26
Height 654151999.34935