181542221 (number)

181542221 is an odd 9-digits composite number following 181542220 and preceding 181542222. In scientific notation, it is written as 1.81542221 × 10^8. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 154707120 positive integers (up to 181542221) that are relatively prime to 181542221.

Interesting facts

Basic properties

Name

Name one hundred eighty-one million five hundred forty-two thousand two hundred twenty-one

Notation

Scientific notation 1.81542221 × 10^8
Engineering notation 1.81542221 × 10^6

Prime Factorization of 181542221

Prime Factorization 7 × 173 × 149911

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 181542221
Product of the distinct prime numbers

The prime factorization of 181542221 is 7 × 173 × 149911. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 92, 35, 999, 844, 5872, 8542, 56800, 76126, 402734, 329724, 9896186, 2366699, 62787941, 76656324, 540410212, 116447301, 8271007547, 9029283405

Basic calculations (n = 181542221)

Multiplication

n×y
n×2 363084442
n×3 544626663
n×4 726168884
n×5 907711105

Division

n÷y
n÷2 90771110.5
n÷3 60514073.666667
n÷3 45385555.25
n÷5 36308444.2

Exponentiation

ny
n2 32957578005612841
n3 5.9831919099197E+24
n4 1.0862019479961E+33
n5 1.9719151409373E+41

Nth Root

y√n
2√n 13473.760462469
3√n 566.22957324219
4√n 116.07652847354
5√n 44.85341648632

Divisors of 181542221

1, 7, 173, 1211, 149911, 1049377, 25934603, 181542221

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 -181542220
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 181542221 can be divided by 8 positive divisors. The sum of these divisors (counting 181542221) is 1, the average is 0.125.

Base conversion 181542221

Base System Value
2 Binary 1010110100100001110101001101
3 Ternary 110122121022002222
4 Quaternary 22310201311031
5 Quinary 332433322341
6 Senary 30003025125
8 Octal 1264416515
10 Decimal 181542221
12 Duodecimal 5096b1a5
16 Hexadecimal ad21d4d
20 Vigesimal 2gecfb1
36 Base36 3032vh

Cryptographic Hash Functions

md5 debb4fd0bad1358c76854bb84bc1d489
sha1 69508f2c8b7201980b21e0e49da76a338fc7d8cc
sha256 3cd75bba70a03e78760376f0038cb2863274da16ec51a77f4117d8f858e62ecc
sha512 3a93fe336b02addeb801e0162f774901c068030ef2fbeeeba9d72f9758226769120d8273ecfab098ff99e0c03cd6cfcdb294938f6a0cf8565f2070374f9f4edd
ripemd-160 e83559df32275fb5486527a14e97d922ee3598e8

181542221 as geometric shapes

Circle

Radius = n
Diameter 363084442
Circumference 1140663415.6199
Area 1.0353928494255E+17

Sphere

Radius = n
Volume 2.5062335665629E+25
Surface area 4.1415713977018E+17
Circumference 1140663415.6199

Square

Length = n
Perimeter 726168884
Area 32957578005612841
Diagonal 256739471.08153

Cube

Length = n
Surface area 197745468033677046
Volume 5.9831919099197E+24
Space diagonal 314440350.4909

Equilateral Triangle

Length = n
Perimeter 544626663
Area 1.4271049900034E+16
Altitude 157220175.24545

Triangular Pyramid

Length = n
Surface area 1.4271049900034E+16
Volume 7.0512592877412E+23
Height 85579823.693845