81301907 (number)

81301907 is an odd 8-digits composite number following 81301906 and preceding 81301908. In scientific notation, it is written as 8.1301907 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 81282120 positive integers (up to 81301907) that are relatively prime to 81301907.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred one thousand nine hundred seven

Notation

Scientific notation 8.1301907 × 10^7
Engineering notation 8.1301907 × 10^6

Prime Factorization of 81301907

Prime Factorization 13967 × 5821

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81301907
Product of the distinct prime numbers

The prime factorization of 81301907 is 13967 × 5821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 34, 92, 427, 212, 407, 4809, 80473, 1697, 484007, 179306, 5983159, 6780769, 60973829, 74099474, 637363137, 767559021, 6074511082, 3463891392

Basic calculations (n = 81301907)

Multiplication

n×y
n×2 162603814
n×3 243905721
n×4 325207628
n×5 406509535

Division

n÷y
n÷2 40650953.5
n÷3 27100635.666667
n÷3 20325476.75
n÷5 16260381.4

Exponentiation

ny
n2 6610000081836649
n3 5.3740561192348E+23
n4 4.3692101081881E+31
n5 3.5522511387936E+39

Nth Root

y√n
2√n 9016.7570112541
3√n 433.21176662225
4√n 94.956605937945
5√n 38.196198926338

Divisors of 81301907

1, 5821, 13967, 81301907

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81301906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81301907 can be divided by 4 positive divisors. The sum of these divisors (counting 81301907) is 1, the average is 0.25.

Base conversion 81301907

Base System Value
2 Binary 100110110001001000110010011
3 Ternary 12122222120020202
4 Quaternary 10312021012103
5 Quinary 131303130112
6 Senary 12022325415
8 Octal 466110623
10 Decimal 81301907
12 Duodecimal 2328986b
16 Hexadecimal 4d89193
20 Vigesimal 1582ef7
36 Base36 1cekyb

Cryptographic Hash Functions

md5 2e8c91ebe9d562e2c845857dceb66bfe
sha1 e411317a9ac9f93d0bff7b9eec6f756505e32acf
sha256 70d67f140bf8897b1508edd5650d14db778078a877fb8a874f8b7e1f3693f1ee
sha512 eee5734389cb154dfac73233bf2aedf2ee3c1c444af54f2f10eee4c485c171afb4a85f3c8464a6c6b73882aba91bd43dc842d3e7c3a6956a98caf5a1cc36ed79
ripemd-160 67755aa4c3ee5b52be882fa6a01982410dfa8b9a

81301907 as geometric shapes

Circle

Radius = n
Diameter 162603814
Circumference 510834947.50808
Area 2.0765927697326E+16

Sphere

Radius = n
Volume 2.2510793632223E+24
Surface area 8.3063710789304E+16
Circumference 510834947.50808

Square

Length = n
Perimeter 325207628
Area 6610000081836649
Diagonal 114978259.5262

Cube

Length = n
Surface area 39660000491019894
Volume 5.3740561192348E+23
Space diagonal 140819033.67624

Equilateral Triangle

Length = n
Perimeter 243905721
Area 2.8622139949439E+15
Altitude 70409516.83812

Triangular Pyramid

Length = n
Surface area 2.8622139949439E+15
Volume 6.3333858739799E+22
Height 38326086.508732