102089905 is an odd 9-digits composite number following 102089904
and preceding 102089906 . In scientific notation, it is written as 1.02089905 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 80332800 positive integers (up to 102089905) that are relatively prime to 102089905.
102089905 has 8 divisors, whose sum is 124516584
The reverse of 102089905 is 509980201
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred two million eighty-nine thousand nine hundred five
Scientific notation
1.02089905 × 10^8
Engineering notation
1.02089905 × 10^6
Prime Factorization
5 × 61 × 334721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
102089905
Product of the distinct prime numbers
The prime factorization of 102089905 is 5 × 61 × 334721.
Since it has a total of 3 prime factors.
7 , 5 , 5 , 75 , 898 , 45 , 1033 , 2701 , 636 , 40647 , 141517 , 460444 , 9847067 , 5321090 , 60731280 , 79439695 , 324907669 , 298131018 , 5197468409 , 6631693658
n×2
204179810
n×3
306269715
n×4
408359620
n×5
510449525
n÷2
51044952.5
n÷3
34029968.333333
n÷3
25522476.25
n÷5
20417981
n2
10422348702909025
n3
1.0640165889569E+24
n4
1.0862535248503E+32
n5
1.1089551915788E+40
2 √n
10103.954918743
3 √n
467.37010889971
4 √n
100.51843074155
5 √n
39.975744429322
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-102089904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 102089905 can be divided by 8 positive divisors.
The sum of these divisors (counting 102089905) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000101011100010010110001
3
Ternary
21010002201000121
4
Quaternary
12011130102301
5
Quinary
202113334110
6
Senary
14044050241
8
Octal
605342261
10
Decimal
102089905
12
Duodecimal
2a233981
16
Hexadecimal
615c4b1
20
Vigesimal
1bi14f5
36
Base36
1os52p
md5
9843b3a7e53193d8e79d9cd211e4097e
sha1
aced0560e034803d2d823f66023c2ddf867bd05f
sha256
218ddd1b8440882db18fb85cf533810aa59ddf82ebab5dc450f971968ac8fb07
sha512
569656b7e8f76b9dcbbabc2e6ebfc4d1c9bebd8f2be880890856e6af97aa32c2b509790db3d67607e037961b8143ef1f66af56ca9234f42f4a85eec15502a9ad
ripemd-160
e1a63cc82c843db473457e9b28f227bcedd2802f
Diameter
204179810
Circumference
641449791.10736
Area
3.274277411821E+16
Volume
4.4569422655527E+24
Surface area
1.3097109647284E+17
Circumference
641449791.10736
Perimeter
408359620
Area
10422348702909025
Diagonal
144376928.23238
Surface area
62534092217454150
Volume
1.0640165889569E+24
Space diagonal
176824902.39988
Perimeter
306269715
Area
4.5130093719095E+15
Altitude
88412451.19994
Surface area
4.5130093719095E+15
Volume
1.2539555755773E+23
Height
48125642.744127