81126370 (number)

81126370 is an even 8-digits composite number following 81126369 and preceding 81126371. In scientific notation, it is written as 8.1126370 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 29954304 positive integers (up to 81126370) that are relatively prime to 81126370.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-six thousand three hundred seventy

Notation

Scientific notation 8.1126370 × 10^7
Engineering notation 8.1126370 × 10^6

Prime Factorization of 81126370

Prime Factorization 2 × 5 × 13 × 624049

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81126370
Product of the distinct prime numbers

The prime factorization of 81126370 is 2 × 5 × 13 × 624049. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81126370)

Multiplication

n×y
n×2 162252740
n×3 243379110
n×4 324505480
n×5 405631850

Division

n÷y
n÷2 40563185
n÷3 27042123.333333
n÷3 20281592.5
n÷5 16225274

Exponentiation

ny
n2 6581487909376900
n3 5.3393222328664E+23
n4 4.3315983101274E+31
n5 3.5140684719877E+39

Nth Root

y√n
2√n 9007.0178194561
3√n 432.89976291825
4√n 94.905309753755
5√n 38.179690963757

Divisors of 81126370

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 -81126369
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 81126370 can be divided by 16 positive divisors. The sum of these divisors (counting 81126370) is 1, the average is 0.0625.

Base conversion 81126370

Base System Value
2 Binary 100110101011110001111100010
3 Ternary 12122122122110101
4 Quaternary 10311132033202
5 Quinary 131232020440
6 Senary 12014453014
8 Octal 465361742
10 Decimal 81126370
12 Duodecimal 2320416a
16 Hexadecimal 4d5e3e2
20 Vigesimal 1570fia
36 Base36 1catia

Cryptographic Hash Functions

md5 f8038007b27a64b596211f53aeee0fb2
sha1 94de76cfe67c6ffd1832dd2b1340c68892dfcf50
sha256 0206120a7aaf32a44691a6da6416d7982f7e7fe6473631a05492aab446643fe3
sha512 87d5783340cd2af870bfc45da90446207a5e077d05b7500db0b6b47afc867b039b8cad8d90746dc473bd8855e6df0e2130a5ef1efc4ddcf632f41be227bdf06a
ripemd-160 13433622eec22b1db5bd04cd20f4ec8d700b1a28

81126370 as geometric shapes

Circle

Radius = n
Diameter 162252740
Circumference 509732016.00881
Area 2.0676354065789E+16

Sphere

Radius = n
Volume 2.2365300669229E+24
Surface area 8.2705416263154E+16
Circumference 509732016.00881

Square

Length = n
Perimeter 324505480
Area 6581487909376900
Diagonal 114730012.7201

Cube

Length = n
Surface area 39488927456261400
Volume 5.3393222328664E+23
Space diagonal 140514994.67363

Equilateral Triangle

Length = n
Perimeter 243379110
Area 2.8498678621103E+15
Altitude 70257497.336816

Triangular Pyramid

Length = n
Surface area 2.8498678621103E+15
Volume 6.2924515963332E+22
Height 38243337.573366