78897672 is an even 8-digits composite number following 78897671
and preceding 78897673 . In scientific notation, it is written as 7.8897672 × 10^7.
The sum of its digits is 54. It has a total of 6 prime factors and 32 positive divisors.
There are 22541760 positive integers (up to 78897672) that are relatively prime to 78897672.
78897672 has 32 divisors, whose sum is 172200600
The reverse of 78897672 is 27679887
Previous prime number is 21
Is Prime? no Number parity even Number length 8 Sum of Digits 54 Digital Root 9
Name
seventy-eight million eight hundred ninety-seven thousand six hundred seventy-two
Scientific notation
7.8897672 × 10^7
Engineering notation
7.8897672 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 21 × 52181
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
19724418 Product of the distinct prime numbers
The prime factorization of 78897672 is 2 × 2 × 2 × 9 × 21 × 52181.
Since it has a total of 6 prime factors.
2 , 8 , 83 , 59 , 309 , 657 , 6517 , 2749 , 99341 , 69265 , 55780 , 899280 , 2684334 , 1982129 , 3510187 , 60058877 , 146074201 , 315592310 , 2009069331 , 7161855127
n×2
157795344
n×3
236693016
n×4
315590688
n×5
394488360
n÷2
39448836
n÷3
26299224
n÷3
19724418
n÷5
15779534.4
n2
6224842647019584
n3
4.9112559341616E+23
n4
3.8748665980154E+31
n5
3.0571795389397E+39
2 √n8882.4361523177
3 √n428.8986997357
4 √n94.246677142049
5 √n37.967573099399
1 , 2 , 4 , 8 , 9 , 18 , 21 , 36 , 42 , 72 , 84 , 168 , 189 , 378 , 756 , 1512 , 52181 , 104362 , 208724 , 417448 , 469629 , 939258 , 1095801 , 1878516 , 2191602 , 3757032 , 4383204 , 8766408 , 9862209 , 19724418 , 39448836 , 78897672
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
-78897671 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 78897672 can be divided by 32 positive divisors.
The sum of these divisors (counting 78897672) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101100111110001000001000
3
Ternary
12111110102021000
4
Quaternary
10230332020020
5
Quinary
130144211142
6
Senary
11455015000
8
Octal
454761010
10
Decimal
78897672
12
Duodecimal
2250a460
16
Hexadecimal
4b3e208
20
Vigesimal
14d243c
36
Base36
1az1u0
md5
81d687c762564f7729259cecc2cea192
sha1
d21feb15d398672383775694a245428329c59f37
sha256
5987cb8bc7ea96c44a166831f249972ca2639ab816d07d52cf9aef0cbd7bf159
sha512
f0229b209b71b4503d68f7361e9f5df5d63288ddce3ed8d70a1ac949a8eea9281472578a96a69da2693d9e2adf8c5cff3f19c3400f14f8540db20073135b8349
ripemd-160
f5fb81f092e625ce313f43f24731cf7f90b53daf
Diameter
157795344
Circumference
495728693.48107
Area
1.9555919929629E+16
Volume
2.0572220750215E+24
Surface area
7.8223679718517E+16
Circumference
495728693.48107
Perimeter
315590688
Area
6224842647019584
Diagonal
111578157.78206
Surface area
37349055882117504
Volume
4.9112559341616E+23
Space diagonal
136654776.5029
Perimeter
236693016
Area
2.6954359334399E+15
Altitude
68327388.251452
Surface area
2.6954359334399E+15
Volume
5.7879706253139E+22
Height
37192719.260688