1388796721 (number)

1388796721 is an odd 10-digits composite number following 1388796720 and preceding 1388796722. In scientific notation, it is written as 1.388796721 × 10^9. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 1281966192 positive integers (up to 1388796721) that are relatively prime to 1388796721.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million seven hundred ninety-six thousand seven hundred twenty-one

Notation

Scientific notation 1.388796721 × 10^9
Engineering notation 1.388796721 × 10^9

Prime Factorization of 1388796721

Prime Factorization 13 × 106830517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1388796721
Product of the distinct prime numbers

The prime factorization of 1388796721 is 13 × 106830517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 26, 6, 378, 246, 4095, 8363, 43028, 6555, 66059, 72965, 9935292, 9031264, 86776790, 75317504, 289449453, 588707913, 8912122112, 1020713715

Basic calculations (n = 1388796721)

Multiplication

n×y
n×2 2777593442
n×3 4166390163
n×4 5555186884
n×5 6943983605

Division

n÷y
n÷2 694398360.5
n÷3 462932240.33333
n÷3 347199180.25
n÷5 277759344.2

Exponentiation

ny
n2 1928756332260351841
n3 2.6786504698512E+27
n4 3.7201009892344E+36
n5 5.1664640556376E+45

Nth Root

y√n
2√n 37266.563042492
3√n 1115.6969028356
4√n 193.04549474798
5√n 67.379492643237

Divisors of 1388796721

1, 13, 106830517, 1388796721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388796720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388796721 can be divided by 4 positive divisors. The sum of these divisors (counting 1388796721) is 1, the average is 0.25.

Base conversion 1388796721

Base System Value
2 Binary 1010010110001110101101100110001
3 Ternary 10120210021011221121
4 Quaternary 1102301311230301
5 Quinary 10321012443341
6 Senary 345450422241
8 Octal 12261655461
10 Decimal 1388796721
12 Duodecimal 329131981
16 Hexadecimal 52c75b31
20 Vigesimal 11djjbg1
36 Base36 myuqep

Cryptographic Hash Functions

md5 398622d7bfd5c88390b0856971fc1644
sha1 32d452e970b9ca256e4d423a836b820a349f8132
sha256 a817f07fbef47644f928df3575567ddc867932d08a2f7e3479572c2e4b7ff503
sha512 d1b328ce6f73e279d6929081a30772a9cbadc2c90cd473ba6b468dde2604c882469db1236667121768143dc1433a1b28d7af3b44ee382f08ddb618ac0d1dc310
ripemd-160 be67d5dea514cb62069177576170c78e9affb818

1388796721 as geometric shapes

Circle

Radius = n
Diameter 2777593442
Circumference 8726067152.0464
Area 6.0593667239939E+18

Sphere

Radius = n
Volume 1.1220304850159E+28
Surface area 2.4237466895976E+19
Circumference 8726067152.0464

Square

Length = n
Perimeter 5555186884
Area 1928756332260351841
Diagonal 1964055158.2175

Cube

Length = n
Surface area 1.1572537993562E+19
Volume 2.6786504698512E+27
Space diagonal 2405466482.1571

Equilateral Triangle

Length = n
Perimeter 4166390163
Area 8.3517599072378E+17
Altitude 1202733241.0785

Triangular Pyramid

Length = n
Surface area 8.3517599072378E+17
Volume 3.1568198527671E+26
Height 654685052.73916