78412991 is an odd 8-digits prime number following 78412990
and preceding 78412992 . In scientific notation, it is written as 7.8412991 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 78412990 positive integers (up to 78412991) that are relatively prime to 78412991.
78412991 has 2 divisors, whose sum is 78412992
The reverse of 78412991 is 19921487
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-eight million four hundred twelve thousand nine hundred ninety-one
Scientific notation
7.8412991 × 10^7
Engineering notation
7.8412991 × 10^6
Prime Factorization
78412991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78412991
Product of the distinct prime numbers
The prime factorization of 78412991 is 78412991.
Since it has a total of 1 prime factors.
1 , 4 , 64 , 29 , 95 , 813 , 1583 , 2044 , 39396 , 80422 , 656914 , 33306 , 8500146 , 5508132 , 64896606 , 3294332 , 369544817 , 226812498 , 318540975 , 6730890551
n×2
156825982
n×3
235238973
n×4
313651964
n×5
392064955
n÷2
39206495.5
n÷3
26137663.666667
n÷3
19603247.75
n÷5
15682598.2
n2
6148597157566081
n3
4.8212989357885E+23
n4
3.780524700603E+31
n5
2.9644224932366E+39
2 √n
8855.1110100326
3 √n
428.01863072887
4 √n
94.101599402096
5 √n
37.920809875115
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78412992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39206496
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8855.1110664971
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999974494
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78412991 can be divided by 2 positive divisors.
The sum of these divisors (counting 78412991) is 78412992, the average is 39206496.
Base
System
Value
2
Binary
100101011000111110010111111
3
Ternary
12110112210101212
4
Quaternary
10223013302333
5
Quinary
130033203431
6
Senary
11440355035
8
Octal
453076277
10
Decimal
78412991
12
Duodecimal
22315a7b
16
Hexadecimal
4ac7cbf
20
Vigesimal
14a1c9b
36
Base36
1aonun
md5
9c541ad461eecbd1062be475bf669f92
sha1
4a8829bd47eba955906a3b73ad3144fe07b7adfa
sha256
51d67ae3eda633ebef3bace43aa22e970af09c7856ed16bd1bda2fff92cb40e0
sha512
e28999f564f316cbf4ca473c3f6e2d015a873ef41ec05a33fb208ac58f6a8d68eb63c4360efd606db9e68d4cefa8e8fe6eef0cc3df8296661972cc361372159f
ripemd-160
8081606b28a13a898f8d6321301fe2d92d13bc2e
Diameter
156825982
Circumference
492683352.94321
Area
1.9316387660093E+16
Volume
2.0195409756578E+24
Surface area
7.7265550640371E+16
Circumference
492683352.94321
Perimeter
313651964
Area
6148597157566081
Diagonal
110892715.33844
Surface area
36891582945396486
Volume
4.8212989357885E+23
Space diagonal
135815284.38544
Perimeter
235238973
Area
2.6624206680445E+15
Altitude
67907642.192721
Surface area
2.6624206680445E+15
Volume
5.6819552860393E+22
Height
36964238.446146