155238905 (number)

155238905 is an odd 9-digits composite number following 155238904 and preceding 155238906. In scientific notation, it is written as 1.55238905 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 123566256 positive integers (up to 155238905) that are relatively prime to 155238905.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million two hundred thirty-eight thousand nine hundred five

Notation

Scientific notation 1.55238905 × 10^8
Engineering notation 1.55238905 × 10^6

Prime Factorization of 155238905

Prime Factorization 5 × 199 × 156019

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 155238905
Product of the distinct prime numbers

The prime factorization of 155238905 is 5 × 199 × 156019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 36, 8, 400, 590, 8995, 4764, 18506, 30246, 364511, 931194, 868614, 7837936, 4999326, 3576334, 287177823, 313239301, 3411985566, 3621550258

Basic calculations (n = 155238905)

Multiplication

n×y
n×2 310477810
n×3 465716715
n×4 620955620
n×5 776194525

Division

n÷y
n÷2 77619452.5
n÷3 51746301.666667
n÷3 38809726.25
n÷5 31047781

Exponentiation

ny
n2 24099117625599025
n3 3.7411206316642E+24
n4 5.8076747033246E+32
n5 9.0157706154031E+40

Nth Root

y√n
2√n 12459.490559409
3√n 537.44437715378
4√n 111.62208813406
5√n 43.471048385954

Divisors of 155238905

1, 5, 199, 995, 156019, 780095, 31047781, 155238905

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 -155238904
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 155238905 can be divided by 8 positive divisors. The sum of these divisors (counting 155238905) is 1, the average is 0.125.

Base conversion 155238905

Base System Value
2 Binary 1001010000001100000111111001
3 Ternary 101211002221202002
4 Quaternary 21100030013321
5 Quinary 304220121110
6 Senary 23223150345
8 Octal 1120140771
10 Decimal 155238905
12 Duodecimal 43ba53b5
16 Hexadecimal 940c1f9
20 Vigesimal 28a4h55
36 Base36 2kfb3t

Cryptographic Hash Functions

md5 a573f442cd588f13632a8f06035e6065
sha1 5f5860fd1bc599736b447b1ed33be3abaaf2b20d
sha256 d482eb20da84103544ed8ea52ebb666cabcaa38f952a0147e253b2e1352f6d76
sha512 d331c19b4efb336181aee3b526911a46b7e7ca0eac5473a19c4452af05f02e24665cec0e7f59bc312ad837f159d4f9d85561449c07b12bbe9313a4bc25396391
ripemd-160 93e2c2238a1c6414893fe92bb1f370ebf31f436c

155238905 as geometric shapes

Circle

Radius = n
Diameter 310477810
Circumference 975394806.99865
Area 7.5709610890578E+16

Sphere

Radius = n
Volume 1.5670769456839E+25
Surface area 3.0283844356231E+17
Circumference 975394806.99865

Square

Length = n
Perimeter 620955620
Area 24099117625599025
Diagonal 219540964.85895

Cube

Length = n
Surface area 144594705753594150
Volume 3.7411206316642E+24
Space diagonal 268881670.77136

Equilateral Triangle

Length = n
Perimeter 465716715
Area 1.0435224036279E+16
Altitude 134440835.38568

Triangular Pyramid

Length = n
Surface area 1.0435224036279E+16
Volume 4.4089529464778E+23
Height 73180321.619649