1388021231 (number)

1388021231 is an odd 10-digits composite number following 1388021230 and preceding 1388021232. In scientific notation, it is written as 1.388021231 × 10^9. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 1298320920 positive integers (up to 1388021231) that are relatively prime to 1388021231.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million twenty-one thousand two hundred thirty-one

Notation

Scientific notation 1.388021231 × 10^9
Engineering notation 1.388021231 × 10^9

Prime Factorization of 1388021231

Prime Factorization 19 × 79 × 924731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1388021231
Product of the distinct prime numbers

The prime factorization of 1388021231 is 19 × 79 × 924731. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1388021231)

Multiplication

n×y
n×2 2776042462
n×3 4164063693
n×4 5552084924
n×5 6940106155

Division

n÷y
n÷2 694010615.5
n÷3 462673743.66667
n÷3 347005307.75
n÷5 277604246.2

Exponentiation

ny
n2 1926602937706755361
n3 2.6741657812439E+27
n4 3.7117988795803E+36
n5 5.1520556500595E+45

Nth Root

y√n
2√n 37256.156954254
3√n 1115.4891995603
4√n 193.01854044173
5√n 67.371966156935

Divisors of 1388021231

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 -1388021230
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 1388021231 can be divided by 8 positive divisors. The sum of these divisors (counting 1388021231) is 1, the average is 0.125.

Base conversion 1388021231

Base System Value
2 Binary 1010010101110111000010111101111
3 Ternary 10120201210210011202
4 Quaternary 1102232320113233
5 Quinary 10320313134411
6 Senary 345422040115
8 Octal 12256702757
10 Decimal 1388021231
12 Duodecimal 328a1903b
16 Hexadecimal 52bb85ef
20 Vigesimal 11df2d1b
36 Base36 mye41b

Cryptographic Hash Functions

md5 2539714af348d717ae20351bf1f18fa2
sha1 eac7514b03cd10e2b4de7a21cdfda1c6416b0ca3
sha256 af7fb23294c35364075516024df0e62cea0e9eda206193b89701a29827119452
sha512 6640f59cd31c3de402f61468ca56668d716fd08da0f2b2df2fc1c0e4531c00b9e2e81e67d6120839ca86b296bf27f8c5c413cd741fe52ac28d4dea52c39b0693
ripemd-160 20eac2aef6751fc22cfc8dba5673a5dd75cdbf68

1388021231 as geometric shapes

Circle

Radius = n
Diameter 2776042462
Circumference 8721194604.6725
Area 6.0526016354841E+18

Sphere

Radius = n
Volume 1.120151943045E+28
Surface area 2.4210406541936E+19
Circumference 8721194604.6725

Square

Length = n
Perimeter 5552084924
Area 1926602937706755361
Diagonal 1962958449.742

Cube

Length = n
Surface area 1.1559617626241E+19
Volume 2.6741657812439E+27
Space diagonal 2404123294.0763

Equilateral Triangle

Length = n
Perimeter 4164063693
Area 8.3424354352989E+17
Altitude 1202061647.0381

Triangular Pyramid

Length = n
Surface area 8.3424354352989E+17
Volume 3.1515345965577E+26
Height 654319483.24733