78442761 (number)

78442761 is an odd 8-digits composite number following 78442760 and preceding 78442762. In scientific notation, it is written as 7.8442761 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 51777200 positive integers (up to 78442761) that are relatively prime to 78442761.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand seven hundred sixty-one

Notation

Scientific notation 7.8442761 × 10^7
Engineering notation 7.8442761 × 10^6

Prime Factorization of 78442761

Prime Factorization 3 × 101 × 258887

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78442761
Product of the distinct prime numbers

The prime factorization of 78442761 is 3 × 101 × 258887. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78442761)

Multiplication

n×y
n×2 156885522
n×3 235328283
n×4 313771044
n×5 392213805

Division

n÷y
n÷2 39221380.5
n÷3 26147587
n÷3 19610690.25
n÷5 15688552.2

Exponentiation

ny
n2 6153266753303121
n3 4.826792332986E+23
n4 3.7862691737306E+31
n5 2.9700540787661E+39

Nth Root

y√n
2√n 8856.7918006466
3√n 428.07279055737
4√n 94.110529701232
5√n 37.923688814169

Divisors of 78442761

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78442760
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78442761 can be divided by 8 positive divisors. The sum of these divisors (counting 78442761) is 1, the average is 0.125.

Base conversion 78442761

Base System Value
2 Binary 100101011001111000100001001
3 Ternary 12110121022020110
4 Quaternary 10223033010021
5 Quinary 130040132021
6 Senary 11441144533
8 Octal 453170411
10 Decimal 78442761
12 Duodecimal 2232b149
16 Hexadecimal 4acf109
20 Vigesimal 14a56i1
36 Base36 1apatl

Cryptographic Hash Functions

md5 3dbf4fcdc0d8201fe055b2a304fd766f
sha1 48bdf74024505afa58cde9113a0b17e7442668fe
sha256 15ecdca2cf5da1866f071e9884908ba58b069ba8346ce5d4c42fb48155a96b28
sha512 a31cf676df672bea7e852df7d9abea73c2563be959abf5286f35d021ebd62118ae2a47fbdd8aa367088c7d9501384b93b5024e2b74d895def5fc2a4bc5e99e4e
ripemd-160 083b58b5ff24dd59791bb8542b6d2f4114664932

78442761 as geometric shapes

Circle

Radius = n
Diameter 156885522
Circumference 492870403.3698
Area 1.9331057627755E+16

Sphere

Radius = n
Volume 2.021842044495E+24
Surface area 7.7324230511022E+16
Circumference 492870403.3698

Square

Length = n
Perimeter 313771044
Area 6153266753303121
Diagonal 110934816.47619

Cube

Length = n
Surface area 36919600519818726
Volume 4.826792332986E+23
Space diagonal 135866847.53798

Equilateral Triangle

Length = n
Perimeter 235328283
Area 2.6644426623113E+15
Altitude 67933423.768991

Triangular Pyramid

Length = n
Surface area 2.6644426623113E+15
Volume 5.6884293167228E+22
Height 36978272.15873