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

81542007 (number)

81542007 is an odd 8-digits composite number following 81542006 and preceding 81542008. In scientific notation, it is written as 8.1542007 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 54361332 positive integers (up to 81542007) that are relatively prime to 81542007.

Interesting facts

81542007 has 6 divisors, whose sum is 117782912
The reverse of 81542007 is 70024518
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	eighty-one million five hundred forty-two thousand seven

Notation

Scientific notation	8.1542007 × 10^7
Engineering notation	8.1542007 × 10^6

Prime Factorization of 81542007

Prime Factorization 3 × 3 × 9060223

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	27180669	Product of the distinct prime numbers

The prime factorization of 81542007 is 3 × 3 × 9060223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 75, 5, 202, 308, 7955, 7154, 9068, 18733, 617572, 1018, 9363, 899319, 7584279, 96121983, 950284318, 389207539, 5676651227, 8828650300

Basic calculations (n = 81542007)

Multiplication

n×y

n×2	163084014
n×3	244626021
n×4	326168028
n×5	407710035

Division

n÷y

n÷2	40771003.5
n÷3	27180669
n÷3	20385501.75
n÷5	16308401.4

Exponentiation

n^y

n²	6649098905588049
n³	5.4218086950315E+23
n⁴	4.4210516256292E+31
n⁵	3.6050142260442E+39

Nth Root

^y√n

²√n	9030.061295473
³√n	433.63779976822
⁴√n	95.026634663514
⁵√n	38.218732452261

Divisors of 81542007

1, 3, 9, 9060223, 27180669, 81542007

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81542006	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81542007 can be divided by 6 positive divisors. The sum of these divisors (counting 81542007) is 1, the average is 0.16666666666667.

Base conversion 81542007

Base	System	Value
2	Binary	100110111000011101101110111
3	Ternary	12200102202121100
4	Quaternary	10313003231313
5	Quinary	131333321012
6	Senary	12031421143
8	Octal	467035567
10	Decimal	81542007
12	Duodecimal	233847b3
16	Hexadecimal	4dc3b77
20	Vigesimal	159cf07
36	Base36	1cjq7r

Cryptographic Hash Functions

md5	74d868487ec448620ae47afbb947a5fc
sha1	99763862c1fec02d0110f29c6b941f347ecee092
sha256	9f0616c9e8a37c43b79c939fe4109aaabb90bb73751bbbba68b0bfd799a5033a
sha512	ef8ea7bf16b5bb1fe4ec353ca9dd9eaa20a0819a028b5ea96e24fe983967022f70de0cb55726c191ae2d2cb58cbf684775e734dda7b869ba6617e8e19394a4bf
ripemd-160	c3e7fe775890333779aa918e27f2552f12aebc38

81542007 as geometric shapes

Circle

Radius = n

Diameter	163084014
Circumference	512343540.30033
Area	2.0888760274787E+16

Sphere

Radius = n

Volume	2.2710819153974E+24
Surface area	8.3555041099149E+16
Circumference	512343540.30033

Square

Length = n

Perimeter	326168028
Area	6649098905588049
Diagonal	115317812.20252

Cube

Length = n

Surface area	39894593433528294
Volume	5.4218086950315E+23
Space diagonal	141234899.07514

Equilateral Triangle

Length = n

Perimeter	244626021
Area	2.8791442822573E+15
Altitude	70617449.537569

Triangular Pyramid

Length = n

Surface area	2.8791442822573E+15
Volume	6.389662824255E+22
Height	38439270.734174