1388338978 (number)

1388338978 is an even 10-digits composite number following 1388338977 and preceding 1388338979. In scientific notation, it is written as 1.388338978 × 10^9. The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors. There are 640578960 positive integers (up to 1388338978) that are relatively prime to 1388338978.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million three hundred thirty-eight thousand nine hundred seventy-eight

Notation

Scientific notation 1.388338978 × 10^9
Engineering notation 1.388338978 × 10^9

Prime Factorization of 1388338978

Prime Factorization 2 × 13 × 4691 × 11383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1388338978
Product of the distinct prime numbers

The prime factorization of 1388338978 is 2 × 13 × 4691 × 11383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 51, 23, 10, 240, 5633, 6455, 13228, 30913, 432459, 273077, 6253152, 4483685, 2046439, 53122660, 71636557, 761992024, 9422617407, 5998643809

Basic calculations (n = 1388338978)

Multiplication

n×y
n×2 2776677956
n×3 4165016934
n×4 5553355912
n×5 6941694890

Division

n÷y
n÷2 694169489
n÷3 462779659.33333
n÷3 347084744.5
n÷5 277667795.6

Exponentiation

ny
n2 1927485117834084484
n3 2.676002718604E+27
n4 3.7151988794719E+36
n5 5.1579554153927E+45

Nth Root

y√n
2√n 37260.42106579
3√n 1115.5743126445
4√n 193.02958598565
5√n 67.375050444077

Divisors of 1388338978

1, 2, 13, 26, 4691, 9382, 11383, 22766, 60983, 121966, 147979, 295958, 53397653, 106795306, 694169489, 1388338978

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 -1388338977
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 1388338978 can be divided by 16 positive divisors. The sum of these divisors (counting 1388338978) is 1, the average is 0.0625.

Base conversion 1388338978

Base System Value
2 Binary 1010010110000000101111100100010
3 Ternary 10120202101221001011
4 Quaternary 1102300011330202
5 Quinary 10320403321403
6 Senary 345432531134
8 Octal 12260057442
10 Decimal 1388338978
12 Duodecimal 328b50aaa
16 Hexadecimal 52c05f22
20 Vigesimal 11dh278i
36 Base36 mykx7m

Cryptographic Hash Functions

md5 dc8cffdd691a68dc027b8ed0d4d9081d
sha1 a7ce0a21115d4850f6bbffb14a0401de7dd7dc7c
sha256 92101a0f997999517efb789d7142a51e41f48408db9a34be187c6eb760cc1c4b
sha512 114045fa2258c0d2c1a541b57885a8a5345e53f67161b668e02c425590a0ec347e318d5ed52c499b49a4b82d63e35492c0eb851f787e0da51d05c9ea3e1320c7
ripemd-160 fba9010c9d904b0e00bfcecac22c72db1d6f6c38

1388338978 as geometric shapes

Circle

Radius = n
Diameter 2776677956
Circumference 8723191067.9543
Area 6.0553730860912E+18

Sphere

Radius = n
Volume 1.120921397567E+28
Surface area 2.4221492344365E+19
Circumference 8723191067.9543

Square

Length = n
Perimeter 5553355912
Area 1927485117834084484
Diagonal 1963407811.8588

Cube

Length = n
Surface area 1.1564910707005E+19
Volume 2.676002718604E+27
Space diagonal 2404673648.0242

Equilateral Triangle

Length = n
Perimeter 4165016934
Area 8.3462553873038E+17
Altitude 1202336824.0121

Triangular Pyramid

Length = n
Surface area 8.3462553873038E+17
Volume 3.1536994479975E+26
Height 654469270.6196