78366988 is an even 8-digits composite number following 78366987
and preceding 78366989 . In scientific notation, it is written as 7.8366988 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 33585840 positive integers (up to 78366988) that are relatively prime to 78366988.
78366988 has 12 divisors, whose sum is 156734032
The reverse of 78366988 is 88966387
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million three hundred sixty-six thousand nine hundred eighty-eight
Scientific notation
7.8366988 × 10^7
Engineering notation
7.8366988 × 10^6
Prime Factorization
2 × 2 × 7 × 2798821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39183494
Product of the distinct prime numbers
The prime factorization of 78366988 is 2 × 2 × 7 × 2798821.
Since it has a total of 4 prime factors.
7 , 4 , 53 , 10 , 835 , 269 , 131 , 3247 , 66348 , 47803 , 890354 , 44434 , 7553751 , 3215580 , 48248735 , 35228069 , 473852668 , 180010839 , 2680858765 , 441742211
n×2
156733976
n×3
235100964
n×4
313467952
n×5
391834940
n÷2
39183494
n÷3
26122329.333333
n÷3
19591747
n÷5
15673397.6
n2
6141384808192144
n3
4.8128182956698E+23
n4
3.7716607362293E+31
n5
2.9557369165615E+39
2 √n
8852.5130895131
3 √n
427.93491163824
4 √n
94.087794583108
5 √n
37.916359386709
1 , 2 , 4 , 7 , 14 , 28 , 2798821 , 5597642 , 11195284 , 19591747 , 39183494 , 78366988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78366987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78366988 can be divided by 12 positive divisors.
The sum of these divisors (counting 78366988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101010111100100100001100
3
Ternary
12110110110022001
4
Quaternary
10222330210030
5
Quinary
130030220423
6
Senary
11435402044
8
Octal
452744414
10
Decimal
78366988
12
Duodecimal
222b3324
16
Hexadecimal
4abc90c
20
Vigesimal
149fh98
36
Base36
1anocs
md5
2e57584f6d8d6fdb96396b1589f1d053
sha1
1fa7559452457100ca5ef244bed6a01cb27c485c
sha256
e93f8b52e43cd077e6e72902d616ca11ad8c39db3cc232a25867d861126cef5d
sha512
0b5ea97ed44a39b380d79c0fa7a648cbb06d5868bf67b068ebeead05c0937cc59504ae6849262c8f716ff753bed275636c403e4b649addb02a7a25dfde69d342
ripemd-160
fe0b5750a1d34242272336007686e1ad13369599
Diameter
156733976
Circumference
492394307.56952
Area
1.9293729396284E+16
Volume
2.0159886134318E+24
Surface area
7.7174917585138E+16
Circumference
492394307.56952
Perimeter
313467952
Area
6141384808192144
Diagonal
110827657.27193
Surface area
36848308849152864
Volume
4.8128182956698E+23
Space diagonal
135735604.85214
Perimeter
235100964
Area
2.6592976291551E+15
Altitude
67867802.42607
Surface area
2.6592976291551E+15
Volume
5.6719607558113E+22
Height
36942552.423977