1389492721 (number)

1389492721 is an odd 10-digits composite number following 1389492720 and preceding 1389492722. In scientific notation, it is written as 1.389492721 × 10^9. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 1322117280 positive integers (up to 1389492721) that are relatively prime to 1389492721.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-nine million four hundred ninety-two thousand seven hundred twenty-one

Notation

Scientific notation 1.389492721 × 10^9
Engineering notation 1.389492721 × 10^9

Prime Factorization of 1389492721

Prime Factorization 23 × 191 × 316297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1389492721
Product of the distinct prime numbers

The prime factorization of 1389492721 is 23 × 191 × 316297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 20, 59, 634, 476, 7687, 5826, 63483, 49422, 578844, 637729, 2265784, 4112108, 31415969, 80390407, 464810492, 168207821, 1136578715, 2102845481

Basic calculations (n = 1389492721)

Multiplication

n×y
n×2 2778985442
n×3 4168478163
n×4 5557970884
n×5 6947463605

Division

n÷y
n÷2 694746360.5
n÷3 463164240.33333
n÷3 347373180.25
n÷5 277898544.2

Exponentiation

ny
n2 1930690021711983841
n3 2.6826797316761E+27
n4 3.7275639599382E+36
n5 5.1794229893961E+45

Nth Root

y√n
2√n 37275.900002549
3√n 1115.8832500885
4√n 193.06967654852
5√n 67.386244780269

Divisors of 1389492721

1, 23, 191, 4393, 316297, 7274831, 60412727, 1389492721

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 -1389492720
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 1389492721 can be divided by 8 positive divisors. The sum of these divisors (counting 1389492721) is 1, the average is 0.125.

Base conversion 1389492721

Base System Value
2 Binary 1010010110100011111100111110001
3 Ternary 10120211120112200101
4 Quaternary 1102310133213301
5 Quinary 10321202231341
6 Senary 345513352401
8 Octal 12264374761
10 Decimal 1389492721
12 Duodecimal 329408701
16 Hexadecimal 52d1f9f1
20 Vigesimal 11e46bg1
36 Base36 mz9ng1

Cryptographic Hash Functions

md5 bb122a957fe1d283c8970286e75e4ae8
sha1 3cc62e7539f3d3f3bda727e7ab06e6289e162b0e
sha256 7ba221eed652a59f587118c4c52e37eeeb050e521963df068549d20213207eb2
sha512 32dd8b0de1b1ffc4c47aa4787bd3b944ad5816393f187b6ce64d32bef3e4e64c3c9dcaa69aeb4e16dbcdfadb77586594ad4c1fe7c3d233ac1babd59fbd31e27c
ripemd-160 15f4145141c6a47834e25763a58a4e9dd82a86df

1389492721 as geometric shapes

Circle

Radius = n
Diameter 2778985442
Circumference 8730440249.0202
Area 6.0654415885695E+18

Sphere

Radius = n
Volume 1.1237182582624E+28
Surface area 2.4261766354278E+19
Circumference 8730440249.0202

Square

Length = n
Perimeter 5557970884
Area 1930690021711983841
Diagonal 1965039450.8569

Cube

Length = n
Surface area 1.1584140130272E+19
Volume 2.6826797316761E+27
Space diagonal 2406671989.5191

Equilateral Triangle

Length = n
Perimeter 4168478163
Area 8.3601330281785E+17
Altitude 1203335994.7596

Triangular Pyramid

Length = n
Surface area 8.3601330281785E+17
Volume 3.1615683833665E+26
Height 655013150.28563