75438891 is an odd 8-digits composite number following 75438890
and preceding 75438892 . In scientific notation, it is written as 7.5438891 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 45720360 positive integers (up to 75438891) that are relatively prime to 75438891.
75438891 has 16 divisors, whose sum is 121921920
The reverse of 75438891 is 19883457
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-five million four hundred thirty-eight thousand eight hundred ninety-one
Scientific notation
7.5438891 × 10^7
Engineering notation
7.5438891 × 10^6
Prime Factorization
3 × 9 × 11 × 254003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
75438891
Product of the distinct prime numbers
The prime factorization of 75438891 is 3 × 9 × 11 × 254003.
Since it has a total of 4 prime factors.
2 , 9 , 63 , 99 , 476 , 965 , 3893 , 3503 , 83101 , 13121 , 332211 , 128594 , 6227999 , 5177671 , 94109313 , 44858323 , 484552991 , 859184383 , 9192852535 , 363707599
n×2
150877782
n×3
226316673
n×4
301755564
n×5
377194455
n÷2
37719445.5
n÷3
25146297
n÷3
18859722.75
n÷5
15087778.2
n2
5691026275309881
n3
4.2932471086124E+23
n4
3.2387780066267E+31
n5
2.4432982101511E+39
2 √n
8685.5564588574
3 √n
422.5373443643
4 √n
93.196332861639
5 √n
37.628686530694
1 , 3 , 9 , 11 , 27 , 33 , 99 , 297 , 254003 , 762009 , 2286027 , 2794033 , 6858081 , 8382099 , 25146297 , 75438891
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-75438890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 75438891 can be divided by 16 positive divisors.
The sum of these divisors (counting 75438891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100011111110001101100101011
3
Ternary
12020221200201000
4
Quaternary
10133301230223
5
Quinary
123303021031
6
Senary
11252530043
8
Octal
437615453
10
Decimal
75438891
12
Duodecimal
21320923
16
Hexadecimal
47f1b2b
20
Vigesimal
13b9h4b
36
Base36
18wx0r
md5
9d4adc183e3915cc143333f218a5d818
sha1
3f9869b744df393df85167f86e4019953ba5ccb1
sha256
5c179aa0c178009809a7179eabc1e586720ffd200b108a1f3175316b394143df
sha512
4b007983a606b2bae84a1213ca4cf77de58340b3448cef743dadb5901f9c3c7255fc226209d85dc881fb86bccc61c22149995774a7a5ceec63e392d5f5f7983a
ripemd-160
1e50bbae2f52766e5769b84ee177d786c5246383
Diameter
150877782
Circumference
473996531.52112
Area
1.78788863379E+16
Volume
1.7983511435283E+24
Surface area
7.15155453516E+16
Circumference
473996531.52112
Perimeter
301755564
Area
5691026275309881
Diagonal
106686702.78259
Surface area
34146157651859286
Volume
4.2932471086124E+23
Space diagonal
130663992.07865
Perimeter
226316673
Area
2.4642866640115E+15
Altitude
65331996.039325
Surface area
2.4642866640115E+15
Volume
5.0596402396823E+22
Height
35562234.260862