77889986 is an even 8-digits composite number following 77889985
and preceding 77889987 . In scientific notation, it is written as 7.7889986 × 10^7.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 38944992 positive integers (up to 77889986) that are relatively prime to 77889986.
77889986 has 4 divisors, whose sum is 116834982
The reverse of 77889986 is 68998877
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 62
Digital Root 8
Name
seventy-seven million eight hundred eighty-nine thousand nine hundred eighty-six
Scientific notation
7.7889986 × 10^7
Engineering notation
7.7889986 × 10^6
Prime Factorization
2 × 38944993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77889986
Product of the distinct prime numbers
The prime factorization of 77889986 is 2 × 38944993.
Since it has a total of 2 prime factors.
9 , 7 , 32 , 24 , 841 , 757 , 3348 , 4673 , 50336 , 69344 , 528796 , 43697 , 8687877 , 3589018 , 3694164 , 34110687 , 335248641 , 302686266 , 2502515680 , 4732058965
n×2
155779972
n×3
233669958
n×4
311559944
n×5
389449930
n÷2
38944993
n÷3
25963328.666667
n÷3
19472496.5
n÷5
15577997.2
n2
6066849919080196
n3
4.7254685526126E+23
n4
3.6806667940643E+31
n5
2.8668708506034E+39
2 √n
8825.5303523358
3 √n
427.06489661492
4 √n
93.944293878531
5 √n
37.870088946032
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
-77889985
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 77889986 can be divided by 4 positive divisors.
The sum of these divisors (counting 77889986) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001001000000111000010
3
Ternary
12102120012222022
4
Quaternary
10221020013002
5
Quinary
124414434421
6
Senary
11421241442
8
Octal
451100702
10
Decimal
77889986
12
Duodecimal
22103282
16
Hexadecimal
4a481c2
20
Vigesimal
146g4j6
36
Base36
1adgaq
md5
aacf82f4cd12818b5032d488cd7b5c64
sha1
b4a4dbe3ba5ce3d1f0934b7b718d421efe1c2a9d
sha256
82d9946be03a70761982a74275d204482859bd0977698ad0ea9d65f7e11b859b
sha512
727567b1ca3c8e01b48bf81fc6ab70eabafc554b1f296bf8a990c6ef0a0476a4e6d412779855574471433945775f26d16e89fc63c40d10498e0ae69e2420fc1c
ripemd-160
bb355d5e095eae336b98cdf9470b098b406bc044
Diameter
155779972
Circumference
489397215.61162
Area
1.9059571136214E+16
Volume
1.979399638621E+24
Surface area
7.6238284544857E+16
Circumference
489397215.61162
Perimeter
311559944
Area
6066849919080196
Diagonal
110153074.57425
Surface area
36401099514481176
Volume
4.7254685526126E+23
Space diagonal
134909413.15283
Perimeter
233669958
Area
2.6270230754355E+15
Altitude
67454706.576414
Surface area
2.6270230754355E+15
Volume
5.5690180963936E+22
Height
36717691.52475