75445981 is an odd 8-digits composite number following 75445980
and preceding 75445982 . In scientific notation, it is written as 7.5445981 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 69560640 positive integers (up to 75445981) that are relatively prime to 75445981.
75445981 has 8 divisors, whose sum is 81344984
The reverse of 75445981 is 18954457
Previous prime number is 5821
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-five million four hundred forty-five thousand nine hundred eighty-one
Scientific notation
7.5445981 × 10^7
Engineering notation
7.5445981 × 10^6
Prime Factorization
13 × 5821 × 997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
75445981
Product of the distinct prime numbers
The prime factorization of 75445981 is 13 × 5821 × 997.
Since it has a total of 3 prime factors.
5 , 2 , 23 , 61 , 472 , 89 , 3955 , 4592 , 70929 , 97134 , 200111 , 722285 , 2758161 , 589852 , 91193691 , 52336945 , 914813669 , 453080028 , 4155020720 , 1212810667
n×2
150891962
n×3
226337943
n×4
301783924
n×5
377229905
n÷2
37722990.5
n÷3
25148660.333333
n÷3
18861495.25
n÷5
15089196.2
n2
5692096049052361
n3
4.2944577036698E+23
n4
3.2399957431637E+31
n5
2.4444465727881E+39
2 √n
8685.9645981319
3 √n
422.55058110857
4 √n
93.198522510455
5 √n
37.629393798139
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
-75445980
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 75445981 can be divided by 8 positive divisors.
The sum of these divisors (counting 75445981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100011111110011011011011101
3
Ternary
12020222001102121
4
Quaternary
10133303123131
5
Quinary
123303232411
6
Senary
11253022541
8
Octal
437633335
10
Decimal
75445981
12
Duodecimal
21324a51
16
Hexadecimal
47f36dd
20
Vigesimal
13baej1
36
Base36
18x2hp
md5
a2babc1ad7c5f22999bc82ed95a082ad
sha1
fda3c8e61e29847a6ee6107a936ef0521906dcf2
sha256
ef31e264f1593abc2c09c48f34df60e6ebd38e6993c357056199da563de63a0c
sha512
004ce4408c706511814b58d43bdb4f79ddae7d28e67af5b4f3c447ceb9bb3d6ae179af75f3d2d1cf156d774191cb4274868c302585de530742f45f5dfd280bb1
ripemd-160
9e821a0d093466fd34411a63feafec3f19919f7d
Diameter
150891962
Circumference
474041079.30495
Area
1.788224713123E+16
Volume
1.7988582364001E+24
Surface area
7.1528988524922E+16
Circumference
474041079.30495
Perimeter
301783924
Area
5692096049052361
Diagonal
106696729.55674
Surface area
34152576294314166
Volume
4.2944577036698E+23
Space diagonal
130676272.31888
Perimeter
226337943
Area
2.4647498896302E+15
Altitude
65338136.159438
Surface area
2.4647498896302E+15
Volume
5.0610669396395E+22
Height
35565576.518914