81475982 (number)

81475982 is an even 8-digits composite number following 81475981 and preceding 81475983. In scientific notation, it is written as 8.1475982 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors. There are 33264000 positive integers (up to 81475982) that are relatively prime to 81475982.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred seventy-five thousand nine hundred eighty-two

Notation

Scientific notation 8.1475982 × 10^7
Engineering notation 8.1475982 × 10^6

Prime Factorization of 81475982

Prime Factorization 2 × 7 × 401 × 23 × 631

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81475982
Product of the distinct prime numbers

The prime factorization of 81475982 is 2 × 7 × 401 × 23 × 631. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 53, 85, 705, 78, 6194, 7202, 61122, 7260, 768617, 892642, 7532335, 3804672, 36509273, 9431226, 11723972, 75440553, 2185429897, 4832305186

Basic calculations (n = 81475982)

Multiplication

n×y
n×2 162951964
n×3 244427946
n×4 325903928
n×5 407379910

Division

n÷y
n÷2 40737991
n÷3 27158660.666667
n÷3 20368995.5
n÷5 16295196.4

Exponentiation

ny
n2 6638335642864324
n3 5.4086491534797E+23
n4 4.4067500107323E+31
n5 3.5904428455292E+39

Nth Root

y√n
2√n 9026.4047106254
3√n 433.52072854811
4√n 95.007392926158
5√n 38.212541264229

Divisors of 81475982

1, 2, 7, 14, 23, 46, 161, 322, 401, 631, 802, 1262, 2807, 4417, 5614, 8834, 9223, 14513, 18446, 29026, 64561, 101591, 129122, 203182, 253031, 506062, 1771217, 3542434, 5819713, 11639426, 40737991, 81475982

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 -81475981
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 81475982 can be divided by 32 positive divisors. The sum of these divisors (counting 81475982) is 1, the average is 0.03125.

Base conversion 81475982

Base System Value
2 Binary 100110110110011100110001110
3 Ternary 12200022102000222
4 Quaternary 10312303212032
5 Quinary 131324212412
6 Senary 12030151342
8 Octal 466634616
10 Decimal 81475982
12 Duodecimal 23352552
16 Hexadecimal 4db398e
20 Vigesimal 15949j2
36 Base36 1cib9q

Cryptographic Hash Functions

md5 a884451677b0fb074116654e4dcd14ea
sha1 cc7bbeedb20c8755f391982865b52392e11d4fe3
sha256 98618a285ef386460657485b1c1e63b53d4e1bd649747b6582b7e2d44f15d28b
sha512 975a7df3d90609a9d55f7aba16dc9213732fc53d44b4ec6bfc00d64da3a3200d01c88b887fdb186a8866c315cb98df67a113d5906547d06e049937ca1591475e
ripemd-160 df37e301231c749320b077407fc08d058dda590b

81475982 as geometric shapes

Circle

Radius = n
Diameter 162951964
Circumference 511928692.99043
Area 2.0854946487686E+16

Sphere

Radius = n
Volume 2.2655696595222E+24
Surface area 8.3419785950743E+16
Circumference 511928692.99043

Square

Length = n
Perimeter 325903928
Area 6638335642864324
Diagonal 115224438.75207

Cube

Length = n
Surface area 39830013857185944
Volume 5.4086491534797E+23
Space diagonal 141120540.42057

Equilateral Triangle

Length = n
Perimeter 244427946
Area 2.8744836527841E+15
Altitude 70560270.210284

Triangular Pyramid

Length = n
Surface area 2.8744836527841E+15
Volume 6.3741541558073E+22
Height 38408146.250689