78897691 is an odd 8-digits composite number following 78897690
and preceding 78897692 . In scientific notation, it is written as 7.8897691 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 76801512 positive integers (up to 78897691) that are relatively prime to 78897691.
78897691 has 4 divisors, whose sum is 78916752
The reverse of 78897691 is 19679887
Previous prime number is 6077
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million eight hundred ninety-seven thousand six hundred ninety-one
Scientific notation
7.8897691 × 10^7
Engineering notation
7.8897691 × 10^6
Prime Factorization
6077 × 12983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78897691
Product of the distinct prime numbers
The prime factorization of 78897691 is 6077 × 12983.
Since it has a total of 2 prime factors.
2 , 7 , 60 , 55 , 721 , 53 , 3769 , 1671 , 93411 , 47598 , 193205 , 378035 , 5928951 , 5143233 , 95609018 , 25279848 , 807003710 , 664496481 , 3203878369 , 6012040271
n×2
157795382
n×3
236693073
n×4
315590764
n×5
394488455
n÷2
39448845.5
n÷3
26299230.333333
n÷3
19724422.75
n÷5
15779538.2
n2
6224845645131481
n3
4.9112594823228E+23
n4
3.8748703305712E+31
n5
3.0571832200648E+39
2 √n
8882.437221844
3 √n
428.89873416458
4 √n
94.246682816129
5 √n
37.967574928056
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897691 can be divided by 4 positive divisors.
The sum of these divisors (counting 78897691) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100111110001000011011
3
Ternary
12111110102021201
4
Quaternary
10230332020123
5
Quinary
130144211231
6
Senary
11455015031
8
Octal
454761033
10
Decimal
78897691
12
Duodecimal
2250a477
16
Hexadecimal
4b3e21b
20
Vigesimal
14d244b
36
Base36
1az1uj
md5
091ce93790b7926ff4986a2a5701bcf7
sha1
1328e7deb061694ed7d95c25abc09ec4a157eccd
sha256
53a840d0f75557f2a7040d3d76748b1601bae33a01c4763c0020d19b2b37663c
sha512
b7eb636bbad16c7764dd4920f2ebf33c37a44d55e9fbe87ef0c6d16adee2f73dfc9c552da506455ca342bf625570048425524e11ba9f93bb002a25a2953615f2
ripemd-160
542f3480e4c43c92e4fc10015134fde220e602bc
Diameter
157795382
Circumference
495728812.8616
Area
1.9555929348475E+16
Volume
2.0572235612718E+24
Surface area
7.8223717393902E+16
Circumference
495728812.8616
Perimeter
315590764
Area
6224845645131481
Diagonal
111578184.65212
Surface area
37349073870788886
Volume
4.9112594823228E+23
Space diagonal
136654809.41187
Perimeter
236693073
Area
2.6954372316604E+15
Altitude
68327404.705935
Surface area
2.6954372316604E+15
Volume
5.787974806862E+22
Height
37192728.217374