78840245 is an odd 8-digits composite number following 78840244
and preceding 78840246 . In scientific notation, it is written as 7.8840245 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 56808000 positive integers (up to 78840245) that are relatively prime to 78840245.
78840245 has 16 divisors, whose sum is 104163840
The reverse of 78840245 is 54204887
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million eight hundred forty thousand two hundred forty-five
Scientific notation
7.8840245 × 10^7
Engineering notation
7.8840245 × 10^6
Prime Factorization
11 × 5 × 109 × 13151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78840245
Product of the distinct prime numbers
The prime factorization of 78840245 is 11 × 5 × 109 × 13151.
Since it has a total of 4 prime factors.
5 , 4 , 60 , 78 , 317 , 200 , 9680 , 6876 , 79163 , 90561 , 66237 , 548967 , 6005470 , 7903385 , 22913676 , 39541020 , 694948395 , 263376081 , 3246419458 , 2452326168
n×2
157680490
n×3
236520735
n×4
315360980
n×5
394201225
n÷2
39420122.5
n÷3
26280081.666667
n÷3
19710061.25
n÷5
15768049
n2
6215784231660025
n3
4.9005395169121E+23
n4
3.8635973614553E+31
n5
3.0460696255849E+39
2 √n
8879.2029484633
3 √n
428.79461409626
4 √n
94.229522701027
5 √n
37.96204442194
1 , 5 , 11 , 55 , 109 , 545 , 1199 , 5995 , 13151 , 65755 , 144661 , 723305 , 1433459 , 7167295 , 15768049 , 78840245
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78840244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78840245 can be divided by 16 positive divisors.
The sum of these divisors (counting 78840245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100110000000110110101
3
Ternary
12111100111111002
4
Quaternary
10230300012311
5
Quinary
130140341440
6
Senary
11453453045
8
Octal
454600665
10
Decimal
78840245
12
Duodecimal
224a1185
16
Hexadecimal
4b301b5
20
Vigesimal
14cf0c5
36
Base36
1axtit
md5
1234f296ac9659f6af3375546744a1ea
sha1
ffd34a8474ca1af38d37773798b04e17a1d1832b
sha256
cb9c34db78166abce295f0f65ec4b0730e045a75d64239dc4c62bb232b183c3b
sha512
1bd422165da7d7a0672ee7026126e20b641f80dce659e24a87c3722c119fb14a893d8ef62d09c78128a0c9381d21ccf58fc731e9a0e89571195b78c027d7852c
ripemd-160
be03075927728864484f75129d93117e668263d0
Diameter
157680490
Circumference
495367868.99844
Area
1.9527462078482E+16
Volume
2.052733192661E+24
Surface area
7.810984831393E+16
Circumference
495367868.99844
Perimeter
315360980
Area
6215784231660025
Diagonal
111496943.73982
Surface area
37294705389960150
Volume
4.9005395169121E+23
Space diagonal
136555310.02118
Perimeter
236520735
Area
2.6915135245302E+15
Altitude
68277655.010589
Surface area
2.6915135245302E+15
Volume
5.7753412064687E+22
Height
37165647.913273