78897488 is an even 8-digits composite number following 78897487
and preceding 78897489 . In scientific notation, it is written as 7.8897488 × 10^7.
The sum of its digits is 59. It has a total of 6 prime factors and 20 positive divisors.
There are 39404640 positive integers (up to 78897488) that are relatively prime to 78897488.
78897488 has 20 divisors, whose sum is 153034848
The reverse of 78897488 is 88479887
Previous prime number is 1123
Is Prime? no
Number parity even
Number length 8
Sum of Digits 59
Digital Root 5
Name
seventy-eight million eight hundred ninety-seven thousand four hundred eighty-eight
Scientific notation
7.8897488 × 10^7
Engineering notation
7.8897488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1123 × 4391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9862186
Product of the distinct prime numbers
The prime factorization of 78897488 is 2 × 2 × 2 × 2 × 1123 × 4391.
Since it has a total of 6 prime factors.
8 , 6 , 4 , 71 , 285 , 400 , 7315 , 7398 , 37384 , 34504 , 780637 , 300139 , 6349942 , 2711745 , 28258849 , 38183695 , 376898124 , 199232482 , 6714656020 , 611454406
n×2
157794976
n×3
236692464
n×4
315589952
n×5
394487440
n÷2
39448744
n÷3
26299162.666667
n÷3
19724372
n÷5
15779497.6
n2
6224813612710144
n3
4.9112215731104E+23
n4
3.8748304512982E+31
n5
3.0571438903333E+39
2 √n
8882.4257947928
3 √n
428.89836631893
4 √n
94.246622193014
5 √n
37.967555390283
1 , 2 , 4 , 8 , 16 , 1123 , 2246 , 4391 , 4492 , 8782 , 8984 , 17564 , 17968 , 35128 , 70256 , 4931093 , 9862186 , 19724372 , 39448744 , 78897488
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897488 can be divided by 20 positive divisors.
The sum of these divisors (counting 78897488) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101100111110000101010000
3
Ternary
12111110102000012
4
Quaternary
10230332011100
5
Quinary
130144204423
6
Senary
11455014052
8
Octal
454760520
10
Decimal
78897488
12
Duodecimal
2250a328
16
Hexadecimal
4b3e150
20
Vigesimal
14d23e8
36
Base36
1az1ow
md5
eba075bef0e4410b52558e17c4ffe82a
sha1
72332699c549ae6234e273e5196f80fe532ff9e0
sha256
d12c3fbcee4fa788d620510222245289e0f2c3612ac9d3e975d1a74de8c4b8da
sha512
29329ebe875e13022bb7e4126a33a412c135be66181de27579dab4892ac24fb68d1212d4251bccae8cc5b11468b393ce787373102718451bf22d363e34682b34
ripemd-160
f419edc7716ccb009ea1a28cc74a61108769e569
Diameter
157794976
Circumference
495727537.37498
Area
1.9555828715656E+16
Volume
2.057207681898E+24
Surface area
7.8223314862624E+16
Circumference
495727537.37498
Perimeter
315589952
Area
6224813612710144
Diagonal
111577897.56677
Surface area
37348881676260864
Volume
4.9112215731104E+23
Space diagonal
136654457.80556
Perimeter
236692464
Area
2.6954233612151E+15
Altitude
68327228.902778
Surface area
2.6954233612151E+15
Volume
5.7879301304267E+22
Height
37192632.522256