78312894 is an even 8-digits composite number following 78312893
and preceding 78312895 . In scientific notation, it is written as 7.8312894 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 23584000 positive integers (up to 78312894) that are relatively prime to 78312894.
78312894 has 32 divisors, whose sum is 158902560
The reverse of 78312894 is 49821387
Previous prime number is 269
Is Prime? no Number parity even Number length 8 Sum of Digits 42 Digital Root 6
Name
seventy-eight million three hundred twelve thousand eight hundred ninety-four
Scientific notation
7.8312894 × 10^7
Engineering notation
7.8312894 × 10^6
Prime Factorization
2 × 3 × 121 × 269 × 401
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
78312894 Product of the distinct prime numbers
The prime factorization of 78312894 is 2 × 3 × 121 × 269 × 401.
Since it has a total of 5 prime factors.
8 , 2 , 18 , 15 , 427 , 558 , 7797 , 6170 , 25032 , 15153 , 963900 , 575520 , 3716039 , 8732852 , 95896179 , 74828953 , 14089323 , 4460998 , 1817368689 , 6342411249
n×2
156625788
n×3
234938682
n×4
313251576
n×5
391564470
n÷2
39156447
n÷3
26104298
n÷3
19578223.5
n÷5
15662578.8
n2
6132909366655236
n3
4.8028588114248E+23
n4
3.7612577299608E+31
n5
2.945549779131E+39
2 √n8849.4572714941
3 √n427.83642612372
4 √n94.071553997444
5 √n37.911123472612
1 , 2 , 3 , 6 , 121 , 242 , 269 , 363 , 401 , 538 , 726 , 802 , 807 , 1203 , 1614 , 2406 , 32549 , 48521 , 65098 , 97042 , 97647 , 107869 , 145563 , 195294 , 215738 , 291126 , 323607 , 647214 , 13052149 , 26104298 , 39156447 , 78312894
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-78312893 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78312894 can be divided by 32 positive divisors.
The sum of these divisors (counting 78312894) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101010101111010110111110
3
Ternary
12110100201002120
4
Quaternary
10222233112332
5
Quinary
130022003034
6
Senary
11434303410
8
Octal
452572676
10
Decimal
78312894
12
Duodecimal
22287b66
16
Hexadecimal
4aaf5be
20
Vigesimal
149924e
36
Base36
1amim6
md5
36692c89aa708fb7e471f831e5218505
sha1
5392f777d9547adee6002f5c530b5cc95c8742c0
sha256
fe6e345c55d60b02936499b2ff704e34f5bb3ed612ba5acc83d307c9bc2654b2
sha512
6f1fb9e1773a5380c48fa07f7d798042e0b281158d4de61304dddf9bb5f3451cb5adc08002cdc29780cd61e95adeddb664e722e6d7a7c14cb5861c806d433142
ripemd-160
8faee35502ce3d015c9999e43e76cd99e0f1dfe1
Diameter
156625788
Circumference
492054424.94351
Area
1.9267103011416E+16
Volume
2.0118167944268E+24
Surface area
7.7068412045664E+16
Circumference
492054424.94351
Perimeter
313251576
Area
6132909366655236
Diagonal
110751156.80349
Surface area
36797456199931416
Volume
4.8028588114248E+23
Space diagonal
135641911.29576
Perimeter
234938682
Area
2.6556276553155E+15
Altitude
67820955.647878
Surface area
2.6556276553155E+15
Volume
5.6602233910667E+22
Height
36917052.267829