74909905 is an odd 8-digits composite number following 74909904
and preceding 74909906 . In scientific notation, it is written as 7.4909905 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 48344832 positive integers (up to 74909905) that are relatively prime to 74909905.
74909905 has 8 divisors, whose sum is 86619200
The reverse of 74909905 is 50990947
Previous prime number is 85
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-four million nine hundred nine thousand nine hundred five
Scientific notation
7.4909905 × 10^7
Engineering notation
7.4909905 × 10^6
Prime Factorization
7 × 85 × 125899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
74909905
Product of the distinct prime numbers
The prime factorization of 74909905 is 7 × 85 × 125899.
Since it has a total of 3 prime factors.
4 , 2 , 55 , 24 , 839 , 477 , 7538 , 9961 , 68410 , 10553 , 114700 , 80231 , 8454643 , 597881 , 24050273 , 97117691 , 810864036 , 582418472 , 2586601986 , 2287237716
n×2
149819810
n×3
224729715
n×4
299639620
n×5
374549525
n÷2
37454952.5
n÷3
24969968.333333
n÷3
18727476.25
n÷5
14981981
n2
5611493867109025
n3
4.2035647249322E+23
n4
3.1488863420602E+31
n5
2.3588277673953E+39
2 √n
8655.0508375168
3 √n
421.54740039751
4 √n
93.032525696752
5 √n
37.575766571934
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
-74909904
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 74909905 can be divided by 8 positive divisors.
The sum of these divisors (counting 74909905) is 1, the average is 0.125.
Base
System
Value
2
Binary
100011101110000100011010001
3
Ternary
12012221211001221
4
Quaternary
10131300203101
5
Quinary
123134104110
6
Senary
11233325041
8
Octal
435604321
10
Decimal
74909905
12
Duodecimal
21106781
16
Hexadecimal
47708d1
20
Vigesimal
1383ef5
36
Base36
18lkup
md5
7b9fe8b8f054e30db83661771d2ea168
sha1
9b9391f9435d773df5624eea502dd987db4f0e6c
sha256
322b004082117cd69dd7f60b604c4bbeca2586d05b560557200e1c59fbfccd21
sha512
f410e879161587b94140e8246f5bc8a8e0fe3251be6e5545765ba38d498bbfeab1d7a0a843e432ea796a5aaf542ec18ae47ed521484e9b9819ef6c26e81d051d
ripemd-160
a715708a8ad2066de67e6729f99b1ebcf486649f
Diameter
149819810
Circumference
470672814.45822
Area
1.7629027908574E+16
Volume
1.7607850744982E+24
Surface area
7.0516111634296E+16
Circumference
470672814.45822
Perimeter
299639620
Area
5611493867109025
Diagonal
105938603.60708
Surface area
33668963202654150
Volume
4.2035647249322E+23
Space diagonal
129747761.45016
Perimeter
224729715
Area
2.4298481210485E+15
Altitude
64873880.725079
Surface area
2.4298481210485E+15
Volume
4.9539485369269E+22
Height
35312867.869027