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

81121330 (number)

81121330 is an even 8-digits composite number following 81121329 and preceding 81121331. In scientific notation, it is written as 8.1121330 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 32448528 positive integers (up to 81121330) that are relatively prime to 81121330.

Interesting facts

81121330 has 8 divisors, whose sum is 146018412
The reverse of 81121330 is 03312118
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	eighty-one million one hundred twenty-one thousand three hundred thirty

Notation

Scientific notation	8.1121330 × 10^7
Engineering notation	8.1121330 × 10^6

Prime Factorization of 81121330

Prime Factorization 2 × 5 × 8112133

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81121330	Product of the distinct prime numbers

The prime factorization of 81121330 is 2 × 5 × 8112133. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 8, 91, 60, 326, 329, 8713, 1825, 59111, 1089, 209664, 534421, 7792313, 2686949, 65152974, 41111560, 569385406, 173559385, 2313104794, 1867364983

Basic calculations (n = 81121330)

Multiplication

n×y

n×2	162242660
n×3	243363990
n×4	324485320
n×5	405606650

Division

n÷y

n÷2	40560665
n÷3	27040443.333333
n÷3	20280332.5
n÷5	16224266

Exponentiation

n^y

n²	6580670180968900
n³	5.3383271737154E+23
n⁴	4.3305220030693E+31
n⁵	3.5129770448325E+39

Nth Root

^y√n

²√n	9006.7380332726
³√n	432.89079805685
⁴√n	94.903835714225
⁵√n	38.179216567024

Divisors of 81121330

1, 2, 5, 10, 8112133, 16224266, 40560665, 81121330

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	-81121329	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 81121330 can be divided by 8 positive divisors. The sum of these divisors (counting 81121330) is 1, the average is 0.125.

Base conversion 81121330

Base	System	Value
2	Binary	100110101011101000000110010
3	Ternary	12122122101112201
4	Quaternary	10311131000302
5	Quinary	131231340310
6	Senary	12014413414
8	Octal	465350062
10	Decimal	81121330
12	Duodecimal	2320126a
16	Hexadecimal	4d5d032
20	Vigesimal	157036a
36	Base36	1capma

Cryptographic Hash Functions

md5	b7e3b4f86b005ed062237a0bf93c3111
sha1	08183fdc2a6333d09955e74ba51c7bb06cdca5e6
sha256	4b2ec1ccfc64a84160a30d29e5ad13749566faddaefa51acc1a21ba9031fd259
sha512	cf461c436fedea7abc0c3f1bb42e1e834dbacfc4246b09c98596fd1c597141596746556bf9c67758af188235cc1872cba64be33571602348b8f1dc36dbaa55f3
ripemd-160	f0861fa92f7c52df2fda6161ea91d9ff10c78d54

81121330 as geometric shapes

Circle

Radius = n

Diameter	162242660
Circumference	509700348.75487
Area	2.0673785096229E+16

Sphere

Radius = n

Volume	2.2361132575204E+24
Surface area	8.2695140384917E+16
Circumference	509700348.75487

Square

Length = n

Perimeter	324485320
Area	6580670180968900
Diagonal	114722885.08374

Cube

Length = n

Surface area	39484021085813400
Volume	5.3383271737154E+23
Space diagonal	140506265.13756

Equilateral Triangle

Length = n

Perimeter	243363990
Area	2.8495137753229E+15
Altitude	70253132.568781

Triangular Pyramid

Length = n

Surface area	2.8495137753229E+15
Volume	6.2912789078776E+22
Height	38240961.694581