78449957 is an odd 8-digits prime number following 78449956
and preceding 78449958 . In scientific notation, it is written as 7.8449957 × 10^7.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 78449956 positive integers (up to 78449957) that are relatively prime to 78449957.
78449957 has 2 divisors, whose sum is 78449958
The reverse of 78449957 is 75994487
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million four hundred forty-nine thousand nine hundred fifty-seven
Scientific notation
7.8449957 × 10^7
Engineering notation
7.8449957 × 10^6
Prime Factorization
78449957
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78449957
Product of the distinct prime numbers
The prime factorization of 78449957 is 78449957.
Since it has a total of 1 prime factors.
7 , 7 , 96 , 34 , 438 , 821 , 4139 , 5790 , 29188 , 87444 , 92914 , 469788 , 1782257 , 7621671 , 14526162 , 67254690 , 188017422 , 256688664 , 6144265913 , 6873997811
n×2
156899914
n×3
235349871
n×4
313799828
n×5
392249785
n÷2
39224978.5
n÷3
26149985.666667
n÷3
19612489.25
n÷5
15689991.4
n2
6154395753301849
n3
4.8281208220751E+23
n4
3.787658708826E+31
n5
2.9714166283807E+39
2 √n
8857.1980332383
3 √n
428.0858800066
4 √n
94.112687950341
5 √n
37.924384579713
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78449958
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39224979
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8857.1980896895
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999974506
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78449957 can be divided by 2 positive divisors.
The sum of these divisors (counting 78449957) is 78449958, the average is 39224979.
Base
System
Value
2
Binary
100101011010000110100100101
3
Ternary
12110121200002222
4
Quaternary
10223100310211
5
Quinary
130040344312
6
Senary
11441242125
8
Octal
453206445
10
Decimal
78449957
12
Duodecimal
22333345
16
Hexadecimal
4ad0d25
20
Vigesimal
14a64hh
36
Base36
1apgdh
md5
533928244308eca9cee66ee77546017c
sha1
127ca11591e46f28bdbb492ae1935c345454ce71
sha256
864f7e312a77806e3dd76967fcfe969afc05cca789659cff1f1187f0bba3a217
sha512
b2b53785c058de786312e9dc67aa1f05a689780cc9f877c4a25cf87fbef1064a26c19d7cd10c74a9bb5391eebc761d8a46b696fdb7638d8df8b12e56c1a0ede7
ripemd-160
d8956ec23c44fc6cfd0fbb71e17fdc9c3befe60f
Diameter
156899914
Circumference
492915617.17127
Area
1.9334604485857E+16
Volume
2.0223985207034E+24
Surface area
7.7338417943429E+16
Circumference
492915617.17127
Perimeter
313799828
Area
6154395753301849
Diagonal
110944993.15699
Surface area
36926374519811094
Volume
4.8281208220751E+23
Space diagonal
135879311.37559
Perimeter
235349871
Area
2.6649315336512E+15
Altitude
67939655.687797
Surface area
2.6649315336512E+15
Volume
5.6899949561288E+22
Height
36981664.385662