2788397978 (number)

2788397978 is an even 10-digits composite number following 2788397977 and preceding 2788397979. In scientific notation, it is written as 2.788397978 × 10^9. The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors. There are 1394198988 positive integers (up to 2788397978) that are relatively prime to 2788397978.

Interesting facts

Basic properties

Name

Name two billion seven hundred eighty-eight million three hundred ninety-seven thousand nine hundred seventy-eight

Notation

Scientific notation 2.788397978 × 10^9
Engineering notation 2.788397978 × 10^9

Prime Factorization of 2788397978

Prime Factorization 2 × 1394198989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2788397978
Product of the distinct prime numbers

The prime factorization of 2788397978 is 2 × 1394198989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 88, 3, 702, 712, 4723, 2040, 85562, 47812, 182971, 618496, 4298154, 7975808, 18421737, 33366472, 201321748, 139074855, 2860147958, 7099466103

Basic calculations (n = 2788397978)

Multiplication

n×y
n×2 5576795956
n×3 8365193934
n×4 11153591912
n×5 13941989890

Division

n÷y
n÷2 1394198989
n÷3 929465992.66667
n÷3 697099494.5
n÷5 557679595.6

Exponentiation

ny
n2 7775163283714488484
n3 2.1680249578929E+28
n4 6.0453164088422E+37
n5 1.6856748050786E+47

Nth Root

y√n
2√n 52805.283618214
3√n 1407.510315318
4√n 229.79400257233
5√n 77.458833399158

Divisors of 2788397978

1, 2, 1394198989, 2788397978

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 -2788397977
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 2788397978 can be divided by 4 positive divisors. The sum of these divisors (counting 2788397978) is 1, the average is 0.25.

Base conversion 2788397978

Base System Value
2 Binary 10100110001100111001001110011010
3 Ternary 21012022212021221012
4 Quaternary 2212030321032122
5 Quinary 21202312213403
6 Senary 1140405013522
8 Octal 24614711632
10 Decimal 2788397978
12 Duodecimal 6599b42a2
16 Hexadecimal a633939a
20 Vigesimal 23b79eii
36 Base36 1a451ne

Cryptographic Hash Functions

md5 f3f7d867591edcc01ca3096ffbb0e9c6
sha1 f8f0d126ca2d0c3fd5d74fb6a95d692225f58cf9
sha256 f4c63db4206714899d0f7812403158df87c9a863c88dc465c819159359720f27
sha512 ebc4e9210f808ffc8a0175e0dd2815660984a1e61b1a30511ae99f842c2fdf4231af3ec43d64004a550aa72ab9d7c92ea29e19b17fc110dab7bc73c5cd193ef8
ripemd-160 0b69b8899ad832a0b7f48822a13c2896456ca832

2788397978 as geometric shapes

Circle

Radius = n
Diameter 5576795956
Circumference 17520021205.939
Area 2.4426395852579E+19

Sphere

Radius = n
Volume 9.0814017073543E+28
Surface area 9.7705583410314E+19
Circumference 17520021205.939

Square

Length = n
Perimeter 11153591912
Area 7775163283714488484
Diagonal 3943390237.7813

Cube

Length = n
Surface area 4.6650979702287E+19
Volume 2.1680249578929E+28
Space diagonal 4829646969.6183

Equilateral Triangle

Length = n
Perimeter 8365193934
Area 3.3667444611344E+18
Altitude 2414823484.8092

Triangular Pyramid

Length = n
Surface area 3.3667444611344E+18
Volume 2.5550419158463E+27
Height 1314463412.5938