Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

81301897 (number)

81301897 is an odd 8-digits composite number following 81301896 and preceding 81301898. In scientific notation, it is written as 8.1301897 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 81001620 positive integers (up to 81301897) that are relatively prime to 81301897.

Interesting facts

81301897 has 4 divisors, whose sum is 81602176
The reverse of 81301897 is 79810318
Previous prime number is 271

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million three hundred one thousand eight hundred ninety-seven

Notation

Scientific notation	8.1301897 × 10^7
Engineering notation	8.1301897 × 10^6

Prime Factorization of 81301897

Prime Factorization 271 × 300007

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81301897	Product of the distinct prime numbers

The prime factorization of 81301897 is 271 × 300007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 71, 53, 585, 150, 1078, 414, 72957, 66765, 871237, 925489, 8107811, 8721812, 30669829, 11719849, 849329054, 953862808, 2250349602, 9988605929

Basic calculations (n = 81301897)

Multiplication

n×y

n×2	162603794
n×3	243905691
n×4	325207588
n×5	406509485

Division

n÷y

n÷2	40650948.5
n÷3	27100632.333333
n÷3	20325474.25
n÷5	16260379.4

Exponentiation

n^y

n²	6609998455798609
n³	5.374054136235E+23
n⁴	4.369207958566E+31
n⁵	3.5522489541891E+39

Nth Root

^y√n

²√n	9016.756456731
³√n	433.2117488608
⁴√n	94.956603018068
⁵√n	38.196197986724

Divisors of 81301897

1, 271, 300007, 81301897

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	-81301896	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 81301897 can be divided by 4 positive divisors. The sum of these divisors (counting 81301897) is 1, the average is 0.25.

Base conversion 81301897

Base	System	Value
2	Binary	100110110001001000110001001
3	Ternary	12122222120020101
4	Quaternary	10312021012021
5	Quinary	131303130042
6	Senary	12022325401
8	Octal	466110611
10	Decimal	81301897
12	Duodecimal	23289861
16	Hexadecimal	4d89189
20	Vigesimal	1582eeh
36	Base36	1ceky1

Cryptographic Hash Functions

md5	e29cfeec471cb0aff41375e51ca84185
sha1	977192370a87d8108291be4abe1ee7c832957025
sha256	a17ef170d1686b2ccdefc449a0b5e205a774bcfd4cbf7cd6f428cc45cdc48532
sha512	12a5e8cc4812adcfeb8d4d8a93e0e2867e7727669d4322448291b5956f351b351e2f6155098c866061a99cd96a9c37e01f47820a4d9c02c5772e15fa3c846c3f
ripemd-160	9dcd6e9fa4a2789f281b104083e3ee2076e36a94

81301897 as geometric shapes

Circle

Radius = n

Diameter	162603794
Circumference	510834884.67623
Area	2.0765922588977E+16

Sphere

Radius = n

Volume	2.2510785325853E+24
Surface area	8.3063690355907E+16
Circumference	510834884.67623

Square

Length = n

Perimeter	325207588
Area	6609998455798609
Diagonal	114978245.38406

Cube

Length = n

Surface area	39659990734791654
Volume	5.374054136235E+23
Space diagonal	140819016.35573

Equilateral Triangle

Length = n

Perimeter	243905691
Area	2.8622132908488E+15
Altitude	70409508.177866

Triangular Pyramid

Length = n

Surface area	2.8622132908488E+15
Volume	6.3333835369923E+22
Height	38326081.794687