81482812 (number)

81482812 is an even 8-digits composite number following 81482811 and preceding 81482813. In scientific notation, it is written as 8.1482812 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 40225536 positive integers (up to 81482812) that are relatively prime to 81482812.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-two thousand eight hundred twelve

Notation

Scientific notation 8.1482812 × 10^7
Engineering notation 8.1482812 × 10^6

Prime Factorization of 81482812

Prime Factorization 2 × 2 × 79 × 257857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40741406
Product of the distinct prime numbers

The prime factorization of 81482812 is 2 × 2 × 79 × 257857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 92, 3, 941, 918, 4738, 183, 49445, 74846, 121558, 4892, 367318, 8572472, 23098048, 98293263, 798717419, 842703719, 620184808, 1612257406

Basic calculations (n = 81482812)

Multiplication

n×y
n×2 162965624
n×3 244448436
n×4 325931248
n×5 407414060

Division

n÷y
n÷2 40741406
n÷3 27160937.333333
n÷3 20370703
n÷5 16296562.4

Exponentiation

ny
n2 6639448651427344
n3 5.4100094624791E+23
n4 4.408227839494E+31
n5 3.5919480029866E+39

Nth Root

y√n
2√n 9026.7830371622
3√n 433.5328419905
4√n 95.009383942652
5√n 38.213181901874

Divisors of 81482812

1, 2, 4, 79, 158, 316, 257857, 515714, 1031428, 20370703, 40741406, 81482812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81482811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81482812 can be divided by 12 positive divisors. The sum of these divisors (counting 81482812) is 1, the average is 0.083333333333333.

Base conversion 81482812

Base System Value
2 Binary 100110110110101010000111100
3 Ternary 12200022202101221
4 Quaternary 10312311100330
5 Quinary 131324422222
6 Senary 12030243124
8 Octal 466652074
10 Decimal 81482812
12 Duodecimal 233564a4
16 Hexadecimal 4db543c
20 Vigesimal 159570c
36 Base36 1cigjg

Cryptographic Hash Functions

md5 f71f31933fd9d319d1b32825e53bc652
sha1 229a0a54f7e0ed6d5ac419c7b0f40f3f870feb10
sha256 0e00ad777051e37e28fa22ab8883cf535b08300f2e6c64b2b5cd6223e1c4be31
sha512 081cd8b22d8a53f7162bb003cf2fad8d2f188eaba4fa273ae9973c26a367386f790145f4697fdd58f1e5db7ae0f78f20756be6557f0a6dc52102349f1fd5c2e7
ripemd-160 61f5beb9ed10b4774b3eeb377424739c3fa2f603

81482812 as geometric shapes

Circle

Radius = n
Diameter 162965624
Circumference 511971607.14608
Area 2.0858443107211E+16

Sphere

Radius = n
Volume 2.2661394644234E+24
Surface area 8.3433772428843E+16
Circumference 511971607.14608

Square

Length = n
Perimeter 325931248
Area 6639448651427344
Diagonal 115234097.8307

Cube

Length = n
Surface area 39836691908564064
Volume 5.4100094624791E+23
Space diagonal 141132370.32758

Equilateral Triangle

Length = n
Perimeter 244448436
Area 2.8749655996292E+15
Altitude 70566185.163791

Triangular Pyramid

Length = n
Surface area 2.8749655996292E+15
Volume 6.3757572953372E+22
Height 38411365.943566