77890987 is an odd 8-digits prime number following 77890986
and preceding 77890988 . In scientific notation, it is written as 7.7890987 × 10^7.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 77890986 positive integers (up to 77890987) that are relatively prime to 77890987.
77890987 has 2 divisors, whose sum is 77890988
The reverse of 77890987 is 78909877
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-seven million eight hundred ninety thousand nine hundred eighty-seven
Scientific notation
7.7890987 × 10^7
Engineering notation
7.7890987 × 10^6
Prime Factorization
77890987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
77890987
Product of the distinct prime numbers
The prime factorization of 77890987 is 77890987.
Since it has a total of 1 prime factors.
9 , 3 , 29 , 81 , 881 , 366 , 8307 , 1002 , 99763 , 75447 , 833976 , 941856 , 7106173 , 106824 , 73121963 , 8721498 , 266799680 , 324210254 , 3916197543 , 4713182697
n×2
155781974
n×3
233672961
n×4
311563948
n×5
389454935
n÷2
38945493.5
n÷3
25963662.333333
n÷3
19472746.75
n÷5
15578197.4
n2
6067005855834169
n3
4.725650742457E+23
n4
3.6808560054726E+31
n5
2.8670550727114E+39
2 √n
8825.5870626265
3 √n
427.06672607616
4 √n
93.944595707398
5 √n
37.870186282714
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
77890988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
38945494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8825.5871192799
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999743231
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77890987 can be divided by 2 positive divisors.
The sum of these divisors (counting 77890987) is 77890988, the average is 38945494.
Base
System
Value
2
Binary
100101001001000010110101011
3
Ternary
12102120021100101
4
Quaternary
10221020112223
5
Quinary
124420002422
6
Senary
11421250231
8
Octal
451102653
10
Decimal
77890987
12
Duodecimal
22103977
16
Hexadecimal
4a485ab
20
Vigesimal
146g797
36
Base36
1adh2j
md5
988cf48f9479a6eaa74f6d312d4a5a33
sha1
1773fe7ea3a302b94c1fd2edd3d436f4aab2a0b4
sha256
e2a5b82e506d04e216439cdd242489905e7e70f245bb1a810692c2e79fc300ed
sha512
581602a5991facfe4f9301692e5ad1cf5bd293cee337bf389b7c4d4abf041f352567d7f2f462df1fe54440035d21fab4c7e495f7a6305d362904dbe6e775bc90
ripemd-160
e1c50cc2cc16fa75ba3ad14f6668cf34197faca5
Diameter
155781974
Circumference
489403505.08012
Area
1.9060061025975E+16
Volume
1.9794759541246E+24
Surface area
7.62402441039E+16
Circumference
489403505.08012
Perimeter
311563948
Area
6067005855834169
Diagonal
110154490.20203
Surface area
36402035135005014
Volume
4.725650742457E+23
Space diagonal
134911146.93569
Perimeter
233672961
Area
2.6270905980307E+15
Altitude
67455573.467843
Surface area
2.6270905980307E+15
Volume
5.5692328091844E+22
Height
36718163.400675