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

81649797 (number)

81649797 is an odd 8-digits composite number following 81649796 and preceding 81649798. In scientific notation, it is written as 8.1649797 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 54098928 positive integers (up to 81649797) that are relatively prime to 81649797.

Interesting facts

81649797 has 8 divisors, whose sum is 109534944
The reverse of 81649797 is 79794618
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

Name	eighty-one million six hundred forty-nine thousand seven hundred ninety-seven

Notation

Scientific notation	8.1649797 × 10^7
Engineering notation	8.1649797 × 10^6

Prime Factorization of 81649797

Prime Factorization 3 × 163 × 166973

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81649797	Product of the distinct prime numbers

The prime factorization of 81649797 is 3 × 163 × 166973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 31, 8, 581, 805, 261, 7884, 17491, 42314, 436283, 464183, 5066751, 9696907, 91153279, 35215822, 972927881, 472643464, 4701632372, 4465452439

Basic calculations (n = 81649797)

Multiplication

n×y

n×2	163299594
n×3	244949391
n×4	326599188
n×5	408248985

Division

n÷y

n÷2	40824898.5
n÷3	27216599
n÷3	20412449.25
n÷5	16329959.4

Exponentiation

n^y

n²	6666689350141209
n³	5.4433383210109E+23
n⁴	4.4444746891286E+31
n⁵	3.6289045613899E+39

Nth Root

^y√n

²√n	9036.027722401
³√n	433.8287902337
⁴√n	95.058022924954
⁵√n	38.228831346752

Divisors of 81649797

1, 3, 163, 489, 166973, 500919, 27216599, 81649797

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	-81649796	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 81649797 can be divided by 8 positive divisors. The sum of these divisors (counting 81649797) is 1, the average is 0.125.

Base conversion 81649797

Base	System	Value
2	Binary	100110111011110000010000101
3	Ternary	12200122020110120
4	Quaternary	10313132002011
5	Quinary	131400243142
6	Senary	12034012153
8	Octal	467360205
10	Decimal	81649797
12	Duodecimal	23417059
16	Hexadecimal	4dde085
20	Vigesimal	15a649h
36	Base36	1cm1dx

Cryptographic Hash Functions

md5	554259e31fd208b6ef666e6320d0a63f
sha1	293fe62f803994fe6283e05d3e7a9d459520fe07
sha256	780d6af99d9a5b125fa7ff575d2f0721c1cec79cace53e8c3a82b0a8ec3df119
sha512	935f7223894cae6a6e6e687dbb122f737dc58edcecc6a84897abf71c542822a0145ba9b26984a7041075b306488a1aab422ce6111e4a77aaf2bf0467af51d40c
ripemd-160	2f9f8ed0096b201093083088a50e875eeebce28a

81649797 as geometric shapes

Circle

Radius = n

Diameter	163299594
Circumference	513020804.8446
Area	2.0944022286169E+16

Sphere

Radius = n

Volume	2.2801002240389E+24
Surface area	8.3776089144676E+16
Circumference	513020804.8446

Square

Length = n

Perimeter	326599188
Area	6666689350141209
Diagonal	115470250.28241

Cube

Length = n

Surface area	40000136100847254
Volume	5.4433383210109E+23
Space diagonal	141421596.83168

Equilateral Triangle

Length = n

Perimeter	244949391
Area	2.8867611681807E+15
Altitude	70710798.415842

Triangular Pyramid

Length = n

Surface area	2.8867611681807E+15
Volume	6.415035731799E+22
Height	38490083.42747