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

81642007 (number)

81642007 is an odd 8-digits composite number following 81642006 and preceding 81642008. In scientific notation, it is written as 8.1642007 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 76675200 positive integers (up to 81642007) that are relatively prime to 81642007.

Interesting facts

81642007 has 8 divisors, whose sum is 86629392
The reverse of 81642007 is 70024618
Previous prime number is 491

Basic properties

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

Name

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

Notation

Scientific notation	8.1642007 × 10^7
Engineering notation	8.1642007 × 10^6

Prime Factorization of 81642007

Prime Factorization 17 × 491 × 9781

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81642007	Product of the distinct prime numbers

The prime factorization of 81642007 is 17 × 491 × 9781. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 15, 64, 616, 570, 892, 2206, 27200, 32210, 276299, 543542, 2696082, 1444227, 86085835, 16345737, 560101543, 26972981, 9781719857, 2449876715

Basic calculations (n = 81642007)

Multiplication

n×y

n×2	163284014
n×3	244926021
n×4	326568028
n×5	408210035

Division

n÷y

n÷2	40821003.5
n÷3	27214002.333333
n÷3	20410501.75
n÷5	16328401.4

Exponentiation

n^y

n²	6665417306988049
n³	5.4417804643504E+23
n⁴	4.4427787876296E+31
n⁵	3.6271737687911E+39

Nth Root

^y√n

²√n	9035.5966598781
³√n	433.81499296012
⁴√n	95.055755532625
⁵√n	38.228101855748

Divisors of 81642007

1, 17, 491, 8347, 9781, 166277, 4802471, 81642007

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	-81642006	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 81642007 can be divided by 8 positive divisors. The sum of these divisors (counting 81642007) is 1, the average is 0.125.

Base conversion 81642007

Base	System	Value
2	Binary	100110111011100001000010111
3	Ternary	12200121211210001
4	Quaternary	10313130020113
5	Quinary	131400021012
6	Senary	12033512131
8	Octal	467341027
10	Decimal	81642007
12	Duodecimal	23412647
16	Hexadecimal	4ddc217
20	Vigesimal	15a5507
36	Base36	1clvdj

Cryptographic Hash Functions

md5	342a1dcca49af0e91229de2e82c0379e
sha1	70058c618e6b8fcc87a596e52da8bde38f1b14e8
sha256	960665915d41ef0a47b5bb40ef1cdcd3009d49609901a72c436e2384835c1609
sha512	399a60e902d02d01bd845926b735b13f00f6feb2d8f3c57246151ff842d8abeb9d38a2b4e8ffe116962225901000bca0dcea57905b9caabd07bc82ed68c8517d
ripemd-160	f2eb62bb77b2ce894300b73d46fd8a240d6d5f8b

81642007 as geometric shapes

Circle

Radius = n

Diameter	163284014
Circumference	512971858.83105
Area	2.0940026044744E+16

Sphere

Radius = n

Volume	2.2794476705669E+24
Surface area	8.3760104178976E+16
Circumference	512971858.83105

Square

Length = n

Perimeter	326568028
Area	6665417306988049
Diagonal	115459233.55876

Cube

Length = n

Surface area	39992503841928294
Volume	5.4417804643504E+23
Space diagonal	141408104.15589

Equilateral Triangle

Length = n

Perimeter	244926021
Area	2.8862103573381E+15
Altitude	70704052.077947

Triangular Pyramid

Length = n

Surface area	2.8862103573381E+15
Volume	6.4131997801177E+22
Height	38486411.186253