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.
78442761 has 8 divisors, whose sum is 105626304
The reverse of 78442761 is 16724487
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million four hundred forty-two thousand seven hundred sixty-one
Scientific notation
7.8442761 × 10^7
Engineering notation
7.8442761 × 10^6
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.
6 , 9 , 65 , 11 , 540 , 135 , 4810 , 7483 , 67374 , 81219 , 939842 , 375914 , 1757066 , 3614737 , 83356564 , 21180282 , 750994539 , 943126179 , 663030898 , 6032337082
n×2
156885522
n×3
235328283
n×4
313771044
n×5
392213805
n÷2
39221380.5
n÷3
26147587
n÷3
19610690.25
n÷5
15688552.2
n2
6153266753303121
n3
4.826792332986E+23
n4
3.7862691737306E+31
n5
2.9700540787661E+39
2 √n
8856.7918006466
3 √n
428.07279055737
4 √n
94.110529701232
5 √n
37.923688814169
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
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
md5
3dbf4fcdc0d8201fe055b2a304fd766f
sha1
48bdf74024505afa58cde9113a0b17e7442668fe
sha256
15ecdca2cf5da1866f071e9884908ba58b069ba8346ce5d4c42fb48155a96b28
sha512
a31cf676df672bea7e852df7d9abea73c2563be959abf5286f35d021ebd62118ae2a47fbdd8aa367088c7d9501384b93b5024e2b74d895def5fc2a4bc5e99e4e
ripemd-160
083b58b5ff24dd59791bb8542b6d2f4114664932
Diameter
156885522
Circumference
492870403.3698
Area
1.9331057627755E+16
Volume
2.021842044495E+24
Surface area
7.7324230511022E+16
Circumference
492870403.3698
Perimeter
313771044
Area
6153266753303121
Diagonal
110934816.47619
Surface area
36919600519818726
Volume
4.826792332986E+23
Space diagonal
135866847.53798
Perimeter
235328283
Area
2.6644426623113E+15
Altitude
67933423.768991
Surface area
2.6644426623113E+15
Volume
5.6884293167228E+22
Height
36978272.15873