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

81330451 (number)

81330451 is an odd 8-digits prime number following 81330450 and preceding 81330452. In scientific notation, it is written as 8.1330451 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 81330450 positive integers (up to 81330451) that are relatively prime to 81330451.

Interesting facts

81330451 has 2 divisors, whose sum is 81330452
The reverse of 81330451 is 15403318
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	eighty-one million three hundred thirty thousand four hundred fifty-one

Notation

Scientific notation	8.1330451 × 10^7
Engineering notation	8.1330451 × 10^6

Prime Factorization of 81330451

Prime Factorization 81330451

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81330451	Product of the distinct prime numbers

The prime factorization of 81330451 is 81330451. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 8, 100, 63, 654, 847, 681, 350, 70357, 36431, 348215, 745147, 5524239, 799310, 98883114, 64414460, 339745741, 793153864, 5248725486, 1141486674

Basic calculations (n = 81330451)

Multiplication

n×y

n×2	162660902
n×3	243991353
n×4	325321804
n×5	406652255

Division

n÷y

n÷2	40665225.5
n÷3	27110150.333333
n÷3	20332612.75
n÷5	16266090.2

Exponentiation

n^y

n²	6614642259863401
n³	5.3797183819835E+23
n⁴	4.3753492225971E+31
n⁵	3.5584912555632E+39

Nth Root

^y√n

²√n	9018.3397030717
³√n	433.26245895438
⁴√n	94.964939335903
⁵√n	38.198880583541

Divisors of 81330451

1, 81330451

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81330452	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40665226	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9018.3397585143	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999975409	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330451 can be divided by 2 positive divisors. The sum of these divisors (counting 81330451) is 81330452, the average is 40665226.

Base conversion 81330451

Base	System	Value
2	Binary	100110110010000000100010011
3	Ternary	12200001000101221
4	Quaternary	10312100010103
5	Quinary	131310033301
6	Senary	12023105511
8	Octal	466200423
10	Decimal	81330451
12	Duodecimal	232a2297
16	Hexadecimal	4d90113
20	Vigesimal	158662b
36	Base36	1cf6z7

Cryptographic Hash Functions

md5	b8af2f684ec9513b09e169865c655c0b
sha1	dadf0c56bb601555690fb85dd3539bcd408a7305
sha256	c68c5498566ca5622313726665334b35024fdd5f3c0aad32c0c84d8a08a3e1f3
sha512	0bf209afd4bf8889494bcde846d5ebb078237bcabb0901ad51846c79426566ea2bfdeb5e9be59ba111ed27bab7daeabc2631cbecdbed6bda7ecf2c8216c8c36c
ripemd-160	c380a7b0b1b4afb377363ac7cd00efe7952fd550

81330451 as geometric shapes

Circle

Radius = n

Diameter	162660902
Circumference	511014294.74949
Area	2.0780511529711E+16

Sphere

Radius = n

Volume	2.2534511662962E+24
Surface area	8.3122046118846E+16
Circumference	511014294.74949

Square

Length = n

Perimeter	325321804
Area	6614642259863401
Diagonal	115018626.83812

Cube

Length = n

Surface area	39687853559180406
Volume	5.3797183819835E+23
Space diagonal	140868473.33449

Equilateral Triangle

Length = n

Perimeter	243991353
Area	2.8642241169939E+15
Altitude	70434236.667245

Triangular Pyramid

Length = n

Surface area	2.8642241169939E+15
Volume	6.3400589146241E+22
Height	38339542.279373