155291281 (number)

155291281 is an odd 9-digits composite number following 155291280 and preceding 155291282. In scientific notation, it is written as 1.55291281 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 154157632 positive integers (up to 155291281) that are relatively prime to 155291281.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million two hundred ninety-one thousand two hundred eighty-one

Notation

Scientific notation 1.55291281 × 10^8
Engineering notation 1.55291281 × 10^6

Prime Factorization of 155291281

Prime Factorization 137 × 1133513

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155291281
Product of the distinct prime numbers

The prime factorization of 155291281 is 137 × 1133513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 28, 6, 393, 26, 8493, 1127, 57783, 45811, 79277, 364023, 5114844, 5853491, 61889532, 67708611, 409507168, 688848449, 5572741603, 8923645694

Basic calculations (n = 155291281)

Multiplication

n×y
n×2 310582562
n×3 465873843
n×4 621165124
n×5 776456405

Division

n÷y
n÷2 77645640.5
n÷3 51763760.333333
n÷3 38822820.25
n÷5 31058256.2

Exponentiation

ny
n2 24115381954620961
n3 3.7449085555374E+24
n4 5.8155164681726E+32
n5 9.0309900201912E+40

Nth Root

y√n
2√n 12461.59223374
3√n 537.50481308111
4√n 111.63150197744
5√n 43.473981326533

Divisors of 155291281

1, 137, 1133513, 155291281

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 -155291280
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 155291281 can be divided by 4 positive divisors. The sum of these divisors (counting 155291281) is 1, the average is 0.25.

Base conversion 155291281

Base System Value
2 Binary 1001010000011000111010010001
3 Ternary 101211012121120221
4 Quaternary 21100120322101
5 Quinary 304223310111
6 Senary 23224233041
8 Octal 1120307221
10 Decimal 155291281
12 Duodecimal 4400b781
16 Hexadecimal 9418e91
20 Vigesimal 28ab841
36 Base36 2kgfip

Cryptographic Hash Functions

md5 7d2488acd71597fb902594eec8b59261
sha1 590b5274190ee3ce6867d2a7d2594acecec4f0b8
sha256 45978c09399354c12f1e4ded07709af2ad81e005ff3c57a6d93f383d9e30cf35
sha512 8a1fe48a4acd0a3f39bfe43f2b896766c7680953a36c4005454ac9ff501f683a0b4ab3d37a344d3093f6b751496447bc6c7dc85fdf7ed9993d9545c7fc163982
ripemd-160 737ef3dcfeb307d4af04b3fbaa52f7a5206d6035

155291281 as geometric shapes

Circle

Radius = n
Diameter 310582562
Circumference 975723895.1123
Area 7.5760706787149E+16

Sphere

Radius = n
Volume 1.5686636275256E+25
Surface area 3.030428271486E+17
Circumference 975723895.1123

Square

Length = n
Perimeter 621165124
Area 24115381954620961
Diagonal 219615035.70849

Cube

Length = n
Surface area 144692291727725766
Volume 3.7449085555374E+24
Space diagonal 268972388.66446

Equilateral Triangle

Length = n
Perimeter 465873843
Area 1.0442266697333E+16
Altitude 134486194.33223

Triangular Pyramid

Length = n
Surface area 1.0442266697333E+16
Volume 4.4134170575733E+23
Height 73205011.90283