75445981 (number)

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.

Interesting facts

Basic properties

Name

Name seventy-five million four hundred forty-five thousand nine hundred eighty-one

Notation

Scientific notation 7.5445981 × 10^7
Engineering notation 7.5445981 × 10^6

Prime Factorization of 75445981

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.

Most popular turbo-numbers

Basic calculations (n = 75445981)

Multiplication

n×y
n×2 150891962
n×3 226337943
n×4 301783924
n×5 377229905

Division

n÷y
n÷2 37722990.5
n÷3 25148660.333333
n÷3 18861495.25
n÷5 15089196.2

Exponentiation

ny
n2 5692096049052361
n3 4.2944577036698E+23
n4 3.2399957431637E+31
n5 2.4444465727881E+39

Nth Root

y√n
2√n 8685.9645981319
3√n 422.55058110857
4√n 93.198522510455
5√n 37.629393798139

Divisors of 75445981

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 conversion 75445981

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

Cryptographic Hash Functions

md5 a2babc1ad7c5f22999bc82ed95a082ad
sha1 fda3c8e61e29847a6ee6107a936ef0521906dcf2
sha256 ef31e264f1593abc2c09c48f34df60e6ebd38e6993c357056199da563de63a0c
sha512 004ce4408c706511814b58d43bdb4f79ddae7d28e67af5b4f3c447ceb9bb3d6ae179af75f3d2d1cf156d774191cb4274868c302585de530742f45f5dfd280bb1
ripemd-160 9e821a0d093466fd34411a63feafec3f19919f7d

75445981 as geometric shapes

Circle

Radius = n
Diameter 150891962
Circumference 474041079.30495
Area 1.788224713123E+16

Sphere

Radius = n
Volume 1.7988582364001E+24
Surface area 7.1528988524922E+16
Circumference 474041079.30495

Square

Length = n
Perimeter 301783924
Area 5692096049052361
Diagonal 106696729.55674

Cube

Length = n
Surface area 34152576294314166
Volume 4.2944577036698E+23
Space diagonal 130676272.31888

Equilateral Triangle

Length = n
Perimeter 226337943
Area 2.4647498896302E+15
Altitude 65338136.159438

Triangular Pyramid

Length = n
Surface area 2.4647498896302E+15
Volume 5.0610669396395E+22
Height 35565576.518914