145436981 (number)

145436981 is an odd 9-digits composite number following 145436980 and preceding 145436982. In scientific notation, it is written as 1.45436981 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 139113612 positive integers (up to 145436981) that are relatively prime to 145436981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.45436981 × 10^8
Engineering notation 1.45436981 × 10^6

Prime Factorization of 145436981

Prime Factorization 23 × 6323347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 145436981
Product of the distinct prime numbers

The prime factorization of 145436981 is 23 × 6323347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 30, 34, 86, 731, 4466, 5922, 69591, 92890, 874266, 819437, 9448822, 7688661, 97513378, 23575896, 320319685, 881618963, 1538650238, 4888852433

Basic calculations (n = 145436981)

Multiplication

n×y
n×2 290873962
n×3 436310943
n×4 581747924
n×5 727184905

Division

n÷y
n÷2 72718490.5
n÷3 48478993.666667
n÷3 36359245.25
n÷5 29087396.2

Exponentiation

ny
n2 21151915442394361
n3 3.0762707243091E+24
n4 4.474035268822E+32
n5 6.50690182385E+40

Nth Root

y√n
2√n 12059.725577309
3√n 525.88600926369
4√n 109.81678185646
5√n 42.907673787174

Divisors of 145436981

1, 23, 6323347, 145436981

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 -145436980
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 145436981 can be divided by 4 positive divisors. The sum of these divisors (counting 145436981) is 1, the average is 0.25.

Base conversion 145436981

Base System Value
2 Binary 1000101010110011000100110101
3 Ternary 101010122222000212
4 Quaternary 20222303010311
5 Quinary 244212440411
6 Senary 22233115205
8 Octal 1052630465
10 Decimal 145436981
12 Duodecimal 40858b05
16 Hexadecimal 8ab3135
20 Vigesimal 258jc91
36 Base36 2el7w5

Cryptographic Hash Functions

md5 372215ba74bf7b89c979ee1e51a47ba7
sha1 0cdc34f984054cfb6294121a0576c71843f095c7
sha256 130965699e844d8eeb453c70c49cd667b27e72fd6b63d040d13a6bdad5ea4568
sha512 9c2ff8c5d0aa01d6f67731b68e34b74938ec8d9aac3b93e19330b18ecaedc36340f20403ff30cd18b83345414f32cd550dda0eb18897e843cc16c19010fd9340
ripemd-160 eb3aedeea3a4fa1a336082b5c7d4191f800f9e0c

145436981 as geometric shapes

Circle

Radius = n
Diameter 290873962
Circumference 913807502.13976
Area 6.6450702163179E+16

Sphere

Radius = n
Volume 1.2885852677257E+25
Surface area 2.6580280865271E+17
Circumference 913807502.13976

Square

Length = n
Perimeter 581747924
Area 21151915442394361
Diagonal 205678951.0008

Cube

Length = n
Surface area 126911492654366166
Volume 3.0762707243091E+24
Space diagonal 251904240.39143

Equilateral Triangle

Length = n
Perimeter 436310943
Area 9.1590480559069E+15
Altitude 125952120.19571

Triangular Pyramid

Length = n
Surface area 9.1590480559069E+15
Volume 3.625419816541E+23
Height 68559650.333599