102087985 is an odd 9-digits composite number following 102087984
and preceding 102087986 . In scientific notation, it is written as 1.02087985 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 81670384 positive integers (up to 102087985) that are relatively prime to 102087985.
102087985 has 4 divisors, whose sum is 122505588
The reverse of 102087985 is 589780201
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred two million eighty-seven thousand nine hundred eighty-five
Scientific notation
1.02087985 × 10^8
Engineering notation
1.02087985 × 10^6
Prime Factorization
5 × 20417597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
102087985
Product of the distinct prime numbers
The prime factorization of 102087985 is 5 × 20417597.
Since it has a total of 2 prime factors.
1 , 9 , 13 , 65 , 376 , 3 , 3937 , 3923 , 34835 , 24403 , 286979 , 576848 , 8731192 , 3193243 , 49102052 , 1622716 , 168319106 , 366659409 , 6400615292 , 3721712636
n×2
204175970
n×3
306263955
n×4
408351940
n×5
510439925
n÷2
51043992.5
n÷3
34029328.333333
n÷3
25521996.25
n÷5
20417597
n2
10421956681360225
n3
1.0639565573574E+24
n4
1.0861718106815E+32
n5
1.1088509151627E+40
2 √n
10103.859905996
3 √n
467.36717894552
4 √n
100.51795812688
5 √n
39.975594063805
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
-102087984
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 102087985 can be divided by 4 positive divisors.
The sum of these divisors (counting 102087985) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000101011011110100110001
3
Ternary
21010002121101111
4
Quaternary
12011123310301
5
Quinary
202113303420
6
Senary
14044033321
8
Octal
605336461
10
Decimal
102087985
12
Duodecimal
2a232841
16
Hexadecimal
615bd31
20
Vigesimal
1bi0jj5
36
Base36
1os3ld
md5
d5e38ddbb2125e2386aa0ac19237fa9b
sha1
911a1516b5a1652a800be3caf2a08589fb45b378
sha256
24cc7310734e5c6b6418d3be58a1e512216595a30be38bf881cfa05d534fc75d
sha512
be6da1e09fe15376a8682e401f01264a5d34112b51dc6e3587c8b0f4d2fee261c6719fddf855d2b0d41bba2351d0a75ab67a2bef792d9c72e6445db1e8261935
ripemd-160
838b6a23f7e9203b18ef3aeb5e45b366e15322a3
Diameter
204175970
Circumference
641437727.39157
Area
3.2741542546192E+16
Volume
4.4566908057767E+24
Surface area
1.3096617018477E+17
Circumference
641437727.39157
Perimeter
408351940
Area
10421956681360225
Diagonal
144374212.94234
Surface area
62531740088161350
Volume
1.0639565573574E+24
Space diagonal
176821576.86233
Perimeter
306263955
Area
4.5128396215995E+15
Altitude
88410788.431165
Surface area
4.5128396215995E+15
Volume
1.2538848276588E+23
Height
48124737.647447