1389156721 (number)

1389156721 is an odd 10-digits composite number following 1389156720 and preceding 1389156722. In scientific notation, it is written as 1.389156721 × 10^9. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 1364737920 positive integers (up to 1389156721) that are relatively prime to 1389156721.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-nine million one hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.389156721 × 10^9
Engineering notation 1.389156721 × 10^9

Prime Factorization of 1389156721

Prime Factorization 61 × 857 × 26573

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1389156721
Product of the distinct prime numbers

The prime factorization of 1389156721 is 61 × 857 × 26573. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 61, 55, 756, 593, 6514, 2586, 43217, 45251, 505081, 142154, 1947609, 9203784, 91793938, 8319556, 72184169, 513787427, 8113675037, 7675317053

Basic calculations (n = 1389156721)

Multiplication

n×y
n×2 2778313442
n×3 4167470163
n×4 5556626884
n×5 6945783605

Division

n÷y
n÷2 694578360.5
n÷3 463052240.33333
n÷3 347289180.25
n÷5 277831344.2

Exponentiation

ny
n2 1929756395499471841
n3 2.6807340667008E+27
n4 3.7239597459711E+36
n5 5.1731637098492E+45

Nth Root

y√n
2√n 37271.392796621
3√n 1115.7932971169
4√n 193.05800371034
5√n 67.382985465806

Divisors of 1389156721

1, 61, 857, 26573, 52277, 1620953, 22773061, 1389156721

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 -1389156720
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 1389156721 can be divided by 8 positive divisors. The sum of these divisors (counting 1389156721) is 1, the average is 0.125.

Base conversion 1389156721

Base System Value
2 Binary 1010010110011001101100101110001
3 Ternary 10120210221110202221
4 Quaternary 1102303031211301
5 Quinary 10321111003341
6 Senary 345502241041
8 Octal 12263154561
10 Decimal 1389156721
12 Duodecimal 329286181
16 Hexadecimal 52ccd971
20 Vigesimal 11e24bg1
36 Base36 mz2g6p

Cryptographic Hash Functions

md5 5d9fb6bcc2a7ad17fdc5d9b45a2d6bb5
sha1 8dcc253970cd600bf60447a2201c774c830f26b6
sha256 5f8071fb677ad5d6957ff518390be978e5c3180ca07bd22b5263e4a428fcf36b
sha512 283624817a5de1e5904e0ab295332cf5693f06d5fbc9dc25650533c760a5cca91c0ff19f0338bdf1315f79be358957b35f30c04d86e1b51e093a78643dd614c4
ripemd-160 9ba566276f16bbf14506771a6f2226b52988b150

1389156721 as geometric shapes

Circle

Radius = n
Diameter 2778313442
Circumference 8728329098.757
Area 6.0625085153191E+18

Sphere

Radius = n
Volume 1.1229032600234E+28
Surface area 2.4250034061276E+19
Circumference 8728329098.757

Square

Length = n
Perimeter 5556626884
Area 1929756395499471841
Diagonal 1964564275.0999

Cube

Length = n
Surface area 1.1578538372997E+19
Volume 2.6807340667008E+27
Space diagonal 2406090020.4478

Equilateral Triangle

Length = n
Perimeter 4167470163
Area 8.3560903080902E+17
Altitude 1203045010.2239

Triangular Pyramid

Length = n
Surface area 8.3560903080902E+17
Volume 3.1592753952032E+26
Height 654854758.36665