78992488 is an even 8-digits composite number following 78992487
and preceding 78992489 . In scientific notation, it is written as 7.8992488 × 10^7.
The sum of its digits is 55. It has a total of 6 prime factors and 32 positive divisors.
There are 37635840 positive integers (up to 78992488) that are relatively prime to 78992488.
78992488 has 32 divisors, whose sum is 155136960
The reverse of 78992488 is 88429987
Previous prime number is 331
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million nine hundred ninety-two thousand four hundred eighty-eight
Scientific notation
7.8992488 × 10^7
Engineering notation
7.8992488 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 331 × 1297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19748122
Product of the distinct prime numbers
The prime factorization of 78992488 is 2 × 2 × 2 × 23 × 331 × 1297.
Since it has a total of 6 prime factors.
7 , 2 , 42 , 4 , 994 , 342 , 8826 , 2036 , 18185 , 72770 , 457895 , 311424 , 6685682 , 2930441 , 74663266 , 90201686 , 641676051 , 980966092 , 4021962379 , 2791059170
n×2
157984976
n×3
236977464
n×4
315969952
n×5
394962440
n÷2
39496244
n÷3
26330829.333333
n÷3
19748122
n÷5
15798497.6
n2
6239813160430144
n3
4.9289836619752E+23
n4
3.8935268277077E+31
n5
3.0755937121538E+39
2 √n
8887.7718242538
3 √n
429.0704419368
4 √n
94.274979842235
5 √n
37.97669429161
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 331 , 662 , 1297 , 1324 , 2594 , 2648 , 5188 , 7613 , 10376 , 15226 , 29831 , 30452 , 59662 , 60904 , 119324 , 238648 , 429307 , 858614 , 1717228 , 3434456 , 9874061 , 19748122 , 39496244 , 78992488
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
-78992487
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 78992488 can be divided by 32 positive divisors.
The sum of these divisors (counting 78992488) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101101010101010001101000
3
Ternary
12111122020022201
4
Quaternary
10231111101220
5
Quinary
130210224423
6
Senary
11501025544
8
Octal
455252150
10
Decimal
78992488
12
Duodecimal
225552b4
16
Hexadecimal
4b55468
20
Vigesimal
14de148
36
Base36
1b12zs
md5
55245b5afaf4b82c101e194a944e5845
sha1
22e4665717065f7eb60ac0280b596090cc14b93c
sha256
e500f97ee64a4e035c1d1bc29841a95f49395ae57189f2fadc1c8f0ff0e1b357
sha512
113d0d323ffbdf1439d4941d1d9793308644c43d15b5434a9fdd0a62bd412fdda9e41542dea9b66b7e3a5fce3035aa1033223f65db5a6e527f8acdea259fe828
ripemd-160
b050a17e034d0c9e83133d1fed3c6e02fc731a46
Diameter
157984976
Circumference
496324439.97916
Area
1.960295118458E+16
Volume
2.0646478482834E+24
Surface area
7.8411804738321E+16
Circumference
496324439.97916
Perimeter
315969952
Area
6239813160430144
Diagonal
111712247.85519
Surface area
37438878962580864
Volume
4.9289836619752E+23
Space diagonal
136819002.63227
Perimeter
236977464
Area
2.7019183559005E+15
Altitude
68409501.316137
Surface area
2.7019183559005E+15
Volume
5.8088629529006E+22
Height
37237415.951731