87761985 is an odd 8-digits composite number following 87761984
and preceding 87761986 . In scientific notation, it is written as 8.7761985 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 46569600 positive integers (up to 87761985) that are relatively prime to 87761985.
87761985 has 16 divisors, whose sum is 141129600
The reverse of 87761985 is 58916778
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-seven million seven hundred sixty-one thousand nine hundred eighty-five
Scientific notation
8.7761985 × 10^7
Engineering notation
8.7761985 × 10^6
Prime Factorization
3 × 5 × 199 × 29401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87761985
Product of the distinct prime numbers
The prime factorization of 87761985 is 3 × 5 × 199 × 29401.
Since it has a total of 4 prime factors.
3 , 5 , 76 , 6 , 331 , 518 , 7562 , 584 , 15755 , 13269 , 311237 , 415076 , 5457759 , 3246684 , 1729248 , 78908111 , 178782888 , 803004062 , 5336564878 , 8760165026
n×2
175523970
n×3
263285955
n×4
351047940
n×5
438809925
n÷2
43880992.5
n÷3
29253995
n÷3
21940496.25
n÷5
17552397
n2
7702166011140225
n3
6.759573779372E+23
n4
5.9323361263164E+31
n5
5.2063359413274E+39
2 √n
9368.1366877304
3 √n
444.39464040301
4 √n
96.789135173998
5 √n
38.784775997618
1 , 3 , 5 , 15 , 199 , 597 , 995 , 2985 , 29401 , 88203 , 147005 , 441015 , 5850799 , 17552397 , 29253995 , 87761985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87761984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87761985 can be divided by 16 positive divisors.
The sum of these divisors (counting 87761985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001110110010010001000001
3
Ternary
20010010202210220
4
Quaternary
11032302101001
5
Quinary
134431340420
6
Senary
12413013253
8
Octal
516622101
10
Decimal
87761985
12
Duodecimal
25484229
16
Hexadecimal
53b2441
20
Vigesimal
178a4j5
36
Base36
1g91kx
md5
7007ae593d4774f4465b15e12bc6c7b5
sha1
c5c15644bb5baa49dcb861424f87dd64dc04e45c
sha256
16adc16d7b7b395f47a4924a9ebbad4de01ff6d66b9432326ff24b028613d89a
sha512
f37348d31043f1b5af91a8108005fec81d151095b7d14f2236f2141191a360447f4e40b328a18c987863338739c425c2f5abd4c4f8ce0fa7104763e415992f04
ripemd-160
530bc9a425632904f003401855defa784e19928f
Diameter
175523970
Circumference
551424814.68092
Area
2.4197068157327E+16
Volume
2.8314436435564E+24
Surface area
9.6788272629309E+16
Circumference
551424814.68092
Perimeter
351047940
Area
7702166011140225
Diagonal
124114189.44778
Surface area
46212996066841350
Volume
6.759573779372E+23
Space diagonal
152008216.9931
Perimeter
263285955
Area
3.3351357149062E+15
Altitude
76004108.496549
Surface area
3.3351357149062E+15
Volume
7.9662340955412E+22
Height
41371396.482595