Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

77991681 (number)

77991681 is an odd 8-digits composite number following 77991680 and preceding 77991682. In scientific notation, it is written as 7.7991681 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 51994452 positive integers (up to 77991681) that are relatively prime to 77991681.

Interesting facts

77991681 has 4 divisors, whose sum is 103988912
The reverse of 77991681 is 18619977
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	seventy-seven million nine hundred ninety-one thousand six hundred eighty-one

Notation

Scientific notation	7.7991681 × 10^7
Engineering notation	7.7991681 × 10^6

Prime Factorization of 77991681

Prime Factorization 3 × 25997227

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	77991681	Product of the distinct prime numbers

The prime factorization of 77991681 is 3 × 25997227. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 68, 95, 704, 994, 1713, 8782, 10877, 15960, 94903, 371777, 5891468, 9221892, 92608086, 31249116, 203371036, 350832513, 2128296702, 9071733451

Basic calculations (n = 77991681)

Multiplication

n×y

n×2	155983362
n×3	233975043
n×4	311966724
n×5	389958405

Division

n÷y

n÷2	38995840.5
n÷3	25997227
n÷3	19497920.25
n÷5	15598336.2

Exponentiation

n^y

n²	6082702305205761
n³	4.7440017780557E+23
n⁴	3.6999267333755E+31
n⁵	2.885635055128E+39

Nth Root

^y√n

²√n	8831.2898831371
³√n	427.25067778035
⁴√n	93.974942847214
⁵√n	37.879972601636

Divisors of 77991681

1, 3, 25997227, 77991681

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	-77991680	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 77991681 can be divided by 4 positive divisors. The sum of these divisors (counting 77991681) is 1, the average is 0.25.

Base conversion 77991681

Base	System	Value
2	Binary	100101001100000111100000001
3	Ternary	12102202101110210
4	Quaternary	10221200330001
5	Quinary	124431213211
6	Senary	11423344333
8	Octal	451407401
10	Decimal	77991681
12	Duodecimal	221520a9
16	Hexadecimal	4a60f01
20	Vigesimal	1478j41
36	Base36	1afmrl

Cryptographic Hash Functions

md5	33169caae7cb6080384fa1a7dd577f5b
sha1	0b053d2ae85bdf905f932b9f019a964138d0a8f7
sha256	2108e28a5d7b14c21d9a5baa73fd2154fb59210a6acd5df47aaf78a273d5543c
sha512	b14d0dd8a2ddc8b4e1580f03528003491364bf36b2f9357468290817212714e264009e9caae9be351042958630f2b10dd054a17a9f8b00389b3f1b08b019c0da
ripemd-160	ee8e25c551fad8dd163ce300a8c1f125a7b69345

77991681 as geometric shapes

Circle

Radius = n

Diameter	155983362
Circumference	490036184.14144
Area	1.9109372876008E+16

Sphere

Radius = n

Volume	1.9871628179409E+24
Surface area	7.6437491504032E+16
Circumference	490036184.14144

Square

Length = n

Perimeter	311966724
Area	6082702305205761
Diagonal	110296893.02248

Cube

Length = n

Surface area	36496213831234566
Volume	4.7440017780557E+23
Space diagonal	135085554.0597

Equilateral Triangle

Length = n

Perimeter	233975043
Area	2.6338873599832E+15
Altitude	67542777.029852

Triangular Pyramid

Length = n

Surface area	2.6338873599832E+15
Volume	5.5908597120404E+22
Height	36765631.007492