1388407905 (number)

1388407905 is an odd 10-digits composite number following 1388407904 and preceding 1388407906. In scientific notation, it is written as 1.388407905 × 10^9. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 737847360 positive integers (up to 1388407905) that are relatively prime to 1388407905.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million four hundred seven thousand nine hundred five

Notation

Scientific notation 1.388407905 × 10^9
Engineering notation 1.388407905 × 10^9

Prime Factorization of 1388407905

Prime Factorization 3 × 45 × 283 × 36341

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1388407905
Product of the distinct prime numbers

The prime factorization of 1388407905 is 3 × 45 × 283 × 36341. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 94, 67, 223, 44, 9510, 3571, 84399, 27675, 3201, 524104, 9153280, 8041418, 77187249, 6038300, 345443947, 850904416, 7211242583, 121835990

Basic calculations (n = 1388407905)

Multiplication

n×y
n×2 2776815810
n×3 4165223715
n×4 5553631620
n×5 6942039525

Division

n÷y
n÷2 694203952.5
n÷3 462802635
n÷3 347101976.25
n÷5 277681581

Exponentiation

ny
n2 1927676510666489025
n3 2.6764013056922E+27
n4 3.7159367297753E+36
n5 5.1592359300999E+45

Nth Root

y√n
2√n 37261.345990181
3√n 1115.5927740144
4√n 193.03198178069
5√n 67.375719425926

Divisors of 1388407905

1, 3, 45, 135, 283, 849, 12735, 36341, 38205, 109023, 1635345, 4906035, 10284503, 30853509, 462802635, 1388407905

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 -1388407904
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 1388407905 can be divided by 16 positive divisors. The sum of these divisors (counting 1388407905) is 1, the average is 0.0625.

Base conversion 1388407905

Base System Value
2 Binary 1010010110000010110110001100001
3 Ternary 10120202112102121000
4 Quaternary 1102300112301201
5 Quinary 10320413023110
6 Senary 345434222213
8 Octal 12260266141
10 Decimal 1388407905
12 Duodecimal 328b84969
16 Hexadecimal 52c16c61
20 Vigesimal 11dhajf5
36 Base36 mymee9

Cryptographic Hash Functions

md5 6e48fcfc8e6ef7e5a9e27bff6af484d9
sha1 380b133067dbc08a039888ffc6baaddf70ecb285
sha256 87419126c5c647428798007aa272d4c2e7febfffff0e811f9abbdb1ae431877a
sha512 1669613f7c38e7c6da142c3431e2588e40641d11278b89fe1e8f2add328786dd43dbf69e9e37de2376b90fc27f6e4ff092ca826cedf25bd8e039e7801f33a556
ripemd-160 2c24541590f839c25003bdfaee65d0cc5b5ba4c1

1388407905 as geometric shapes

Circle

Radius = n
Diameter 2776815810
Circumference 8723624149.068
Area 6.0559743644074E+18

Sphere

Radius = n
Volume 1.1210883573361E+28
Surface area 2.422389745763E+19
Circumference 8723624149.068

Square

Length = n
Perimeter 5553631620
Area 1927676510666489025
Diagonal 1963505289.357

Cube

Length = n
Surface area 1.1566059063999E+19
Volume 2.6764013056922E+27
Space diagonal 2404793033.0903

Equilateral Triangle

Length = n
Perimeter 4165223715
Area 8.3470841425786E+17
Altitude 1202396516.5451

Triangular Pyramid

Length = n
Surface area 8.3470841425786E+17
Volume 3.1541691873858E+26
Height 654501763.11901