75291221 is an odd 8-digits composite number following 75291220
and preceding 75291222 . In scientific notation, it is written as 7.5291221 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 72588208 positive integers (up to 75291221) that are relatively prime to 75291221.
75291221 has 8 divisors, whose sum is 78001920
The reverse of 75291221 is 12219257
Previous prime number is 887
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-five million two hundred ninety-one thousand two hundred twenty-one
Scientific notation
7.5291221 × 10^7
Engineering notation
7.5291221 × 10^6
Prime Factorization
29 × 887 × 2927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
75291221
Product of the distinct prime numbers
The prime factorization of 75291221 is 29 × 887 × 2927.
Since it has a total of 3 prime factors.
8 , 9 , 70 , 87 , 420 , 235 , 8145 , 8746 , 67438 , 47053 , 764055 , 417351 , 2202030 , 650041 , 90800039 , 13772875 , 900173310 , 168651590 , 7667859212 , 2469872933
n×2
150582442
n×3
225873663
n×4
301164884
n×5
376456105
n÷2
37645610.5
n÷3
25097073.666667
n÷3
18822805.25
n÷5
15058244.2
n2
5668767959670841
n3
4.268084612493E+23
n4
3.2134930180591E+31
n5
2.4194781300464E+39
2 √n
8677.0514001013
3 √n
422.26146169889
4 √n
93.150691892768
5 √n
37.61394351426
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
-75291220
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 75291221 can be divided by 8 positive divisors.
The sum of these divisors (counting 75291221) is 1, the average is 0.125.
Base
System
Value
2
Binary
100011111001101101001010101
3
Ternary
12020200012010202
4
Quaternary
10133031221111
5
Quinary
123233304341
6
Senary
11245430245
8
Octal
437155125
10
Decimal
75291221
12
Duodecimal
2126b385
16
Hexadecimal
47cda55
20
Vigesimal
13ab811
36
Base36
18tr2t
md5
a48a17687f86b8ad6dcb2c7f3f1a7d2e
sha1
daab2a386cc3f0f5138b6609485336c665a66362
sha256
c24459addb57433daa440f25ffbfd51442a7270e1be93afb0b97840e94c27daa
sha512
6c4c0e88cc1ca2e335105af7e5358632df3abe7b4d4c89b36d2feebb72688518fb675f371a019286f6d828b781059ca7a960e1b44fcd11f6b2d9f7b22ad4ff28
ripemd-160
16d65108684b04bb28ce6f4ac1a713e6aa27f94c
Diameter
150582442
Circumference
473068693.54681
Area
1.7808959777007E+16
Volume
1.787811101801E+24
Surface area
7.1235839108028E+16
Circumference
473068693.54681
Perimeter
301164884
Area
5668767959670841
Diagonal
106477865.86583
Surface area
34012607758025046
Volume
4.268084612493E+23
Space diagonal
130408220.1359
Perimeter
225873663
Area
2.4546485306171E+15
Altitude
65204110.067948
Surface area
2.4546485306171E+15
Volume
5.0299859536196E+22
Height
35492621.955277