81489207 (number)

81489207 is an odd 8-digits composite number following 81489206 and preceding 81489208. In scientific notation, it is written as 8.1489207 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 49610880 positive integers (up to 81489207) that are relatively prime to 81489207.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand two hundred seven

Notation

Scientific notation 8.1489207 × 10^7
Engineering notation 8.1489207 × 10^6

Prime Factorization of 81489207

Prime Factorization 3 × 23 × 37 × 59 × 541

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81489207
Product of the distinct prime numbers

The prime factorization of 81489207 is 3 × 23 × 37 × 59 × 541. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 35, 25, 419, 81, 9980, 1809, 27293, 55666, 266688, 484196, 202611, 8923002, 7069706, 10825410, 862340430, 931327578, 4369487764, 8680123033

Basic calculations (n = 81489207)

Multiplication

n×y
n×2 162978414
n×3 244467621
n×4 325956828
n×5 407446035

Division

n÷y
n÷2 40744603.5
n÷3 27163069
n÷3 20372301.75
n÷5 16297841.4

Exponentiation

ny
n2 6640490857488849
n3 5.4112833406752E+23
n4 4.4096118828393E+31
n5 3.5933577551035E+39

Nth Root

y√n
2√n 9027.1372538585
3√n 433.54418331894
4√n 95.011248038632
5√n 38.213781698618

Divisors of 81489207

1, 3, 23, 37, 59, 69, 111, 177, 541, 851, 1357, 1623, 2183, 2553, 4071, 6549, 12443, 20017, 31919, 37329, 50209, 60051, 95757, 150627, 460391, 734137, 1181003, 1381173, 2202411, 3543009, 27163069, 81489207

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489206
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489207 can be divided by 32 positive divisors. The sum of these divisors (counting 81489207) is 1, the average is 0.03125.

Base conversion 81489207

Base System Value
2 Binary 100110110110110110100110111
3 Ternary 12200100002011210
4 Quaternary 10312312310313
5 Quinary 131330123312
6 Senary 12030332503
8 Octal 466666467
10 Decimal 81489207
12 Duodecimal 2335a133
16 Hexadecimal 4db6d37
20 Vigesimal 1596307
36 Base36 1cilh3

Cryptographic Hash Functions

md5 a881f1c320d8805af64a909e35141368
sha1 eedd358d00831ee1ec6f6a2d40f3c14f3d884f51
sha256 5c99742016f2d16159d3f8e17d5bab3d910ebeb17e719351bd5fea3fcee4b8e7
sha512 0de7fb43c9686f5f211ef80ca60cd93a8b9e365fbd4b0e33e4f2e477d6a4db0c4505b0d21d7fa04defe601fad4cdb1d5ad6c3e3ce49e5114c900a954c8bba6ae
ripemd-160 fe2ae3b9459f155c7624c3ee6c8203a772d35656

81489207 as geometric shapes

Circle

Radius = n
Diameter 162978414
Circumference 512011788.11612
Area 2.0861717294117E+16

Sphere

Radius = n
Volume 2.2666730652744E+24
Surface area 8.3446869176469E+16
Circumference 512011788.11612

Square

Length = n
Perimeter 325956828
Area 6640490857488849
Diagonal 115243141.72643

Cube

Length = n
Surface area 39842945144933094
Volume 5.4112833406752E+23
Space diagonal 141143446.7925

Equilateral Triangle

Length = n
Perimeter 244467621
Area 2.8754168880918E+15
Altitude 70571723.396249

Triangular Pyramid

Length = n
Surface area 2.8754168880918E+15
Volume 6.3772585751887E+22
Height 38414380.575476