1388788257 (number)

1388788257 is an odd 10-digits composite number following 1388788256 and preceding 1388788258. In scientific notation, it is written as 1.388788257 × 10^9. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 919962960 positive integers (up to 1388788257) that are relatively prime to 1388788257.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million seven hundred eighty-eight thousand two hundred fifty-seven

Notation

Scientific notation 1.388788257 × 10^9
Engineering notation 1.388788257 × 10^9

Prime Factorization of 1388788257

Prime Factorization 3 × 383 × 283 × 4271

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1388788257
Product of the distinct prime numbers

The prime factorization of 1388788257 is 3 × 383 × 283 × 4271. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1388788257)

Multiplication

n×y
n×2 2777576514
n×3 4166364771
n×4 5555153028
n×5 6943941285

Division

n÷y
n÷2 694394128.5
n÷3 462929419
n÷3 347197064.25
n÷5 277757651.4

Exponentiation

ny
n2 1928732822781098049
n3 2.6786014951689E+27
n4 3.7200103016731E+36
n5 5.1663066228827E+45

Nth Root

y√n
2√n 37266.449482074
3√n 1115.6946362986
4√n 193.04520061911
5√n 67.379410514383

Divisors of 1388788257

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388788256
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388788257 can be divided by 16 positive divisors. The sum of these divisors (counting 1388788257) is 1, the average is 0.0625.

Base conversion 1388788257

Base System Value
2 Binary 1010010110001110011101000100001
3 Ternary 10120210020202100010
4 Quaternary 1102301303220201
5 Quinary 10321012211012
6 Senary 345450315133
8 Octal 12261635041
10 Decimal 1388788257
12 Duodecimal 329128aa9
16 Hexadecimal 52c73a21
20 Vigesimal 11djiach
36 Base36 myujvl

Cryptographic Hash Functions

md5 445deb6bd356532f3c765e446ce1cf86
sha1 11156bc02dcc149215c53eaa7d08165f9af46560
sha256 e3139b4c175df39b32f92eaac0108d315a6009b4cd44fb65cc1c1aa145af8a6a
sha512 8df5903a0d21fa5ddf4f4508a6df0513949b8adf6398452bec9d9f2974db8def22c83f5f412c8a955dd418ff0c200fe61001de585f3d46f4e5e6fb43b4239a7b
ripemd-160 f8ca36169dfdd042e4aca2558ca8c1fad42a50ef

1388788257 as geometric shapes

Circle

Radius = n
Diameter 2777576514
Circumference 8726013971.1659
Area 6.0592928667866E+18

Sphere

Radius = n
Volume 1.1220099705489E+28
Surface area 2.4237171467146E+19
Circumference 8726013971.1659

Square

Length = n
Perimeter 5555153028
Area 1928732822781098049
Diagonal 1964043188.3139

Cube

Length = n
Surface area 1.1572396936687E+19
Volume 2.6786014951689E+27
Space diagonal 2405451822.079

Equilateral Triangle

Length = n
Perimeter 4166364771
Area 8.3516581082065E+17
Altitude 1202725911.0395

Triangular Pyramid

Length = n
Surface area 8.3516581082065E+17
Volume 3.1567621355505E+26
Height 654681062.7713