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

81129601 (number)

81129601 is an odd 8-digits composite number following 81129600 and preceding 81129602. In scientific notation, it is written as 8.1129601 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 65879568 positive integers (up to 81129601) that are relatively prime to 81129601.

Interesting facts

81129601 has 8 divisors, whose sum is 97599680
The reverse of 81129601 is 10692118
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million one hundred twenty-nine thousand six hundred one

Notation

Scientific notation	8.1129601 × 10^7
Engineering notation	8.1129601 × 10^6

Prime Factorization of 81129601

Prime Factorization 7 × 19 × 609997

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81129601	Product of the distinct prime numbers

The prime factorization of 81129601 is 7 × 19 × 609997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 90, 16, 598, 568, 1397, 6778, 94582, 24516, 354998, 599200, 8284224, 5328736, 35488733, 22516467, 650025693, 198325678, 6987567904, 6590191542

Basic calculations (n = 81129601)

Multiplication

n×y

n×2	162259202
n×3	243388803
n×4	324518404
n×5	405648005

Division

n÷y

n÷2	40564800.5
n÷3	27043200.333333
n÷3	20282400.25
n÷5	16225920.2

Exponentiation

n^y

n²	6582012158419201
n³	5.339960201897E+23
n⁴	4.3322884053578E+31
n⁵	3.5147682974361E+39

Nth Root

^y√n

²√n	9007.1971778129
³√n	432.90550983945
⁴√n	94.906254682254
⁵√n	38.179995073546

Divisors of 81129601

1, 7, 19, 133, 609997, 4269979, 11589943, 81129601

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81129600	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81129601 can be divided by 8 positive divisors. The sum of these divisors (counting 81129601) is 1, the average is 0.125.

Base conversion 81129601

Base	System	Value
2	Binary	100110101011111000010000001
3	Ternary	12122122210220001
4	Quaternary	10311133002001
5	Quinary	131232121401
6	Senary	12014520001
8	Octal	465370201
10	Decimal	81129601
12	Duodecimal	23206001
16	Hexadecimal	4d5f081
20	Vigesimal	1571401
36	Base36	1caw01

Cryptographic Hash Functions

md5	f18fda401303e273327c2dc37b35f9bd
sha1	0b44cca116cd61a63ecab1547a9a44be29ee23fb
sha256	14847a1ad4a24a5352413eda33aa0414f7afe95a58ed4d9bd80c64d17ef1774b
sha512	f2e64cde0e6c5a1e09051725e18a5f850d2fa4ea7e80efac08db602687ced89549496f40184d8f405f41d5eb57fa588b661d1c356b8a8ffcd4861ce00501fc0e
ripemd-160	0b3b110014620026298b46cf3fa69f4d21625540

81129601 as geometric shapes

Circle

Radius = n

Diameter	162259202
Circumference	509752316.98054
Area	2.0678001042728E+16

Sphere

Radius = n

Volume	2.2367972987655E+24
Surface area	8.2712004170914E+16
Circumference	509752316.98054

Square

Length = n

Perimeter	324518404
Area	6582012158419201
Diagonal	114734582.04412

Cube

Length = n

Surface area	39492072950515206
Volume	5.339960201897E+23
Space diagonal	140520590.92979

Equilateral Triangle

Length = n

Perimeter	243388803
Area	2.8500948686045E+15
Altitude	70260295.464895

Triangular Pyramid

Length = n

Surface area	2.8500948686045E+15
Volume	6.2932034500461E+22
Height	38244860.681373