75642945 is an odd 8-digits composite number following 75642944
and preceding 75642946 . In scientific notation, it is written as 7.5642945 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 31472640 positive integers (up to 75642945) that are relatively prime to 75642945.
75642945 has 32 divisors, whose sum is 104011776
The reverse of 75642945 is 54924657
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-five million six hundred forty-two thousand nine hundred forty-five
Scientific notation
7.5642945 × 10^7
Engineering notation
7.5642945 × 10^6
Prime Factorization
21 × 5 × 1367 × 31 × 17
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
75642945
Product of the distinct prime numbers
The prime factorization of 75642945 is 21 × 5 × 1367 × 31 × 17.
Since it has a total of 5 prime factors.
4 , 2 , 99 , 39 , 160 , 149 , 4048 , 4907 , 46012 , 28562 , 103966 , 269062 , 5302288 , 5917887 , 88763892 , 16965744 , 323827964 , 855805250 , 1446989144 , 6953807678
n×2
151285890
n×3
226928835
n×4
302571780
n×5
378214725
n÷2
37821472.5
n÷3
25214315
n÷3
18910736.25
n÷5
15128589
n2
5721855128273025
n3
4.3281797276592E+23
n4
3.2739626108944E+31
n5
2.4765217370794E+39
2 √n
8697.2952692202
3 √n
422.91797391212
4 √n
93.259290524967
5 √n
37.649020843108
1 , 5 , 17 , 21 , 31 , 85 , 105 , 155 , 357 , 527 , 651 , 1367 , 1785 , 2635 , 3255 , 6835 , 11067 , 23239 , 28707 , 42377 , 55335 , 116195 , 143535 , 211885 , 488019 , 720409 , 889917 , 2440095 , 3602045 , 4449585 , 15128589 , 75642945
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-75642944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 75642945 can be divided by 32 positive divisors.
The sum of these divisors (counting 75642945) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100100000100011100001000001
3
Ternary
12021100001121120
4
Quaternary
10200203201001
5
Quinary
123331033240
6
Senary
11301142453
8
Octal
440434101
10
Decimal
75642945
12
Duodecimal
213baa29
16
Hexadecimal
4823841
20
Vigesimal
13cf775
36
Base36
191agx
md5
c37b76e8f6a7a0bd299077a783424891
sha1
95bdf623ad8ec22f7d02a6cd0df815aff8a77f20
sha256
fd7e02928f2395f2b707250c8cdcb1582016fc7defec7a4fd6065b68db0e1f2a
sha512
714cd7469f041b0ce7283c7e4407ccaf4abc19a19422241491bd13310dbf82a91ce929e2230c7bf77d64d5ef82c7cf101a7851aa2b441c1daf5b030082b24cb6
ripemd-160
818e1696326c3c4db7387e2ad18129859291447d
Diameter
151285890
Circumference
475278640.61579
Area
1.7975738035888E+16
Volume
1.8129836847774E+24
Surface area
7.190295214355E+16
Circumference
475278640.61579
Perimeter
302571780
Area
5721855128273025
Diagonal
106975278.71684
Surface area
34331130769638150
Volume
4.3281797276592E+23
Space diagonal
131017423.97414
Perimeter
226928835
Area
2.4776359489294E+15
Altitude
65508711.987069
Surface area
2.4776359489294E+15
Volume
5.1008087260367E+22
Height
35658426.238947