81551151 (number)

81551151 is an odd 8-digits composite number following 81551150 and preceding 81551152. In scientific notation, it is written as 8.1551151 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 49424760 positive integers (up to 81551151) that are relatively prime to 81551151.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1551151 × 10^7
Engineering notation 8.1551151 × 10^6

Prime Factorization of 81551151

Prime Factorization 3 × 9 × 11 × 274583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81551151
Product of the distinct prime numbers

The prime factorization of 81551151 is 3 × 9 × 11 × 274583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 46, 1, 21, 132, 216, 1280, 12679, 55221, 138525, 454733, 4181279, 2924897, 96347344, 62245040, 998643882, 803623969, 852894530, 4067872513

Basic calculations (n = 81551151)

Multiplication

n×y
n×2 163102302
n×3 244653453
n×4 326204604
n×5 407755755

Division

n÷y
n÷2 40775575.5
n÷3 27183717
n÷3 20387787.75
n÷5 16310230.2

Exponentiation

ny
n2 6650590229424801
n3 5.4236328803895E+23
n4 4.4230350399721E+31
n5 3.6070359842305E+39

Nth Root

y√n
2√n 9030.5675901352
3√n 433.65400832942
4√n 95.029298588042
5√n 38.219589572235

Divisors of 81551151

1, 3, 9, 11, 27, 33, 99, 297, 274583, 823749, 2471247, 3020413, 7413741, 9061239, 27183717, 81551151

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81551150
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81551151 can be divided by 16 positive divisors. The sum of these divisors (counting 81551151) is 1, the average is 0.0625.

Base conversion 81551151

Base System Value
2 Binary 100110111000101111100101111
3 Ternary 12200110020011000
4 Quaternary 10313011330233
5 Quinary 131334114101
6 Senary 12031531343
8 Octal 467057457
10 Decimal 81551151
12 Duodecimal 23389b53
16 Hexadecimal 4dc5f2f
20 Vigesimal 159dhhb
36 Base36 1cjx9r

Cryptographic Hash Functions

md5 628b1e079aca15c85991f997bd8762b9
sha1 5f2b0ef5782c5ca61dc8f13d7c06ba2af59f38b4
sha256 614b0d4c7a62ddad6020f331f167cd2cc22e3fd7401408f20014105986ad7953
sha512 8c6282b40fb27f57c172a646a6e5fb762c924e733c2abe51dc8707f042987a74e1c8aaabfa89f52b752e2638848992ad56480464e28be80e3b20a09919b194af
ripemd-160 b455b1bb02c14c45c4727f2d6b1eea29d64d8550

81551151 as geometric shapes

Circle

Radius = n
Diameter 163102302
Circumference 512400993.74678
Area 2.0893445406797E+16

Sphere

Radius = n
Volume 2.2718460283733E+24
Surface area 8.3573781627188E+16
Circumference 512400993.74678

Square

Length = n
Perimeter 326204604
Area 6650590229424801
Diagonal 115330743.77134

Cube

Length = n
Surface area 39903541376548806
Volume 5.4236328803895E+23
Space diagonal 141250736.94772

Equilateral Triangle

Length = n
Perimeter 244653453
Area 2.8797900444212E+15
Altitude 70625368.473861

Triangular Pyramid

Length = n
Surface area 2.8797900444212E+15
Volume 6.3918126473162E+22
Height 38443581.257112