77887945 (number)

77887945 is an odd 8-digits composite number following 77887944 and preceding 77887946. In scientific notation, it is written as 7.7887945 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 62310352 positive integers (up to 77887945) that are relatively prime to 77887945.

Interesting facts

Basic properties

Name

Name seventy-seven million eight hundred eighty-seven thousand nine hundred forty-five

Notation

Scientific notation 7.7887945 × 10^7
Engineering notation 7.7887945 × 10^6

Prime Factorization of 77887945

Prime Factorization 5 × 15577589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 77887945
Product of the distinct prime numbers

The prime factorization of 77887945 is 5 × 15577589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 98, 84, 105, 388, 1518, 1139, 81549, 51085, 214541, 715122, 5816163, 6932784, 65685068, 60659365, 582951159, 510692079, 1338177813, 6168388083

Basic calculations (n = 77887945)

Multiplication

n×y
n×2 155775890
n×3 233663835
n×4 311551780
n×5 389439725

Division

n÷y
n÷2 38943972.5
n÷3 25962648.333333
n÷3 19471986.25
n÷5 15577589

Exponentiation

ny
n2 6066531976323025
n3 4.7250970891259E+23
n4 3.680281021975E+31
n5 2.8664952582413E+39

Nth Root

y√n
2√n 8825.4147211335
3√n 427.06116636617
4√n 93.943678452217
5√n 37.869890477228

Divisors of 77887945

1, 5, 15577589, 77887945

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 -77887944
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 77887945 can be divided by 4 positive divisors. The sum of these divisors (counting 77887945) is 1, the average is 0.25.

Base conversion 77887945

Base System Value
2 Binary 100101001000111100111001001
3 Ternary 12102120010011201
4 Quaternary 10221013213021
5 Quinary 124414403240
6 Senary 11421224201
8 Octal 451074711
10 Decimal 77887945
12 Duodecimal 22102061
16 Hexadecimal 4a479c9
20 Vigesimal 146fjh5
36 Base36 1adeq1

Cryptographic Hash Functions

md5 517f75a645535054d7a45a0d980d1277
sha1 b341a596498ff199a7f0d32be50afe9d0abeeb08
sha256 6053da9e0d9446aa03706c4f7d8bd740a427661f5bd85170b1aab41f0ba88e1e
sha512 fe0d309cd3695faa91fd07850549d536de88de951ebd360a37f6cf53ff1a5d2746107722c6ef27de47312bee46db4dbb02f0a130e4a412594351cc1859738054
ripemd-160 1156046d09fbfb6ea03553863e2a60e9535a35ab

77887945 as geometric shapes

Circle

Radius = n
Diameter 155775890
Circumference 489384391.63041
Area 1.9058572289584E+16

Sphere

Radius = n
Volume 1.9792440403595E+24
Surface area 7.6234289158336E+16
Circumference 489384391.63041

Square

Length = n
Perimeter 311551780
Area 6066531976323025
Diagonal 110150188.16437

Cube

Length = n
Surface area 36399191857938150
Volume 4.7250970891259E+23
Space diagonal 134905878.03713

Equilateral Triangle

Length = n
Perimeter 233663835
Area 2.6268854021832E+15
Altitude 67452939.018565

Triangular Pyramid

Length = n
Surface area 2.6268854021832E+15
Volume 5.5685803224762E+22
Height 36716729.388123