145445981 (number)

145445981 is an odd 9-digits composite number following 145445980 and preceding 145445982. In scientific notation, it is written as 1.45445981 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 145411200 positive integers (up to 145445981) that are relatively prime to 145445981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.45445981 × 10^8
Engineering notation 1.45445981 × 10^6

Prime Factorization of 145445981

Prime Factorization 4861 × 29921

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 145445981
Product of the distinct prime numbers

The prime factorization of 145445981 is 4861 × 29921. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 145445981)

Multiplication

n×y
n×2 290891962
n×3 436337943
n×4 581783924
n×5 727229905

Division

n÷y
n÷2 72722990.5
n÷3 48481993.666667
n÷3 36361495.25
n÷5 29089196.2

Exponentiation

ny
n2 21154533389052361
n3 3.076841861368E+24
n4 4.4751428290853E+32
n5 6.5089153889143E+40

Nth Root

y√n
2√n 12060.098714356
3√n 525.8968567488
4√n 109.81848075053
5√n 42.90820482062

Divisors of 145445981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -145445980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 145445981 can be divided by 4 positive divisors. The sum of these divisors (counting 145445981) is 1, the average is 0.25.

Base conversion 145445981

Base System Value
2 Binary 1000101010110101010001011101
3 Ternary 101010200102101012
4 Quaternary 20222311101131
5 Quinary 244213232411
6 Senary 22233225005
8 Octal 1052652135
10 Decimal 145445981
12 Duodecimal 40862165
16 Hexadecimal 8ab545d
20 Vigesimal 2590ej1
36 Base36 2eleu5

Cryptographic Hash Functions

md5 3a5f72f4bcb286ae69516f1d44135a03
sha1 720221f5950d272ea6678588de206c9bbbb70b62
sha256 2ab6ac1daa43487d86f48e8933d9da994955660ecd4765dbfa82f7923daa3ade
sha512 8697caffeeac40dd9012ba942bdb74849f59edc6af61e5b55d9bb007574a53e6c0efa18d2577e077548b9d40540e23e23fd2099f359b6d554939e92d1d261ca5
ripemd-160 a95c2fa90ba12d4b59a4043090ae3a7c38ab3bed

145445981 as geometric shapes

Circle

Radius = n
Diameter 290891962
Circumference 913864050.80752
Area 6.6458926685167E+16

Sphere

Radius = n
Volume 1.2888245050575E+25
Surface area 2.6583570674067E+17
Circumference 913864050.80752

Square

Length = n
Perimeter 581783924
Area 21154533389052361
Diagonal 205691678.92286

Cube

Length = n
Surface area 126927200334314166
Volume 3.076841861368E+24
Space diagonal 251919828.8487

Equilateral Triangle

Length = n
Perimeter 436337943
Area 9.1601816600627E+15
Altitude 125959914.42435

Triangular Pyramid

Length = n
Surface area 9.1601816600627E+15
Volume 3.6260929080199E+23
Height 68563892.974287