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

81497641 (number)

81497641 is an odd 8-digits composite number following 81497640 and preceding 81497642. In scientific notation, it is written as 8.1497641 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 81362772 positive integers (up to 81497641) that are relatively prime to 81497641.

Interesting facts

81497641 has 4 divisors, whose sum is 81632512
The reverse of 81497641 is 14679418
Previous prime number is 607

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	8.1497641 × 10^7
Engineering notation	8.1497641 × 10^6

Prime Factorization of 81497641

Prime Factorization 607 × 134263

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81497641	Product of the distinct prime numbers

The prime factorization of 81497641 is 607 × 134263. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 13, 87, 154, 676, 7880, 8423, 43985, 55253, 841302, 903636, 2651095, 6532521, 55574448, 55379195, 531964440, 647463260, 3507815912, 3764762871

Basic calculations (n = 81497641)

Multiplication

n×y

n×2	162995282
n×3	244492923
n×4	325990564
n×5	407488205

Division

n÷y

n÷2	40748820.5
n÷3	27165880.333333
n÷3	20374410.25
n÷5	16299528.2

Exponentiation

n^y

n²	6641865488564881
n³	5.4129636915735E+23
n⁴	4.4114377168189E+31
n⁵	3.5952176733917E+39

Nth Root

^y√n

²√n	9027.6043887623
³√n	433.55913984155
⁴√n	95.013706320521
⁵√n	38.214572678687

Divisors of 81497641

1, 607, 134263, 81497641

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81497640	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497641 can be divided by 4 positive divisors. The sum of these divisors (counting 81497641) is 1, the average is 0.25.

Base conversion 81497641

Base	System	Value
2	Binary	100110110111000111000101001
3	Ternary	12200100111202011
4	Quaternary	10312320320221
5	Quinary	131330411031
6	Senary	12030435521
8	Octal	466707051
10	Decimal	81497641
12	Duodecimal	23362ba1
16	Hexadecimal	4db8e29
20	Vigesimal	1597421
36	Base36	1cirzd

Cryptographic Hash Functions

md5	7dd7f3f0191d009460dcf1048d01d0d2
sha1	4deeba5ff800315f924933c0646d87e8c7d4627e
sha256	68688b72d78aab7c0614c356a3cc5e96fa7164fcb688f92a51d630d9063c1fd0
sha512	981986b7493bf585d7928f121a871ed49b75337d0a3c80c6ab33ef35bc583df1b58b6f0cfa35613f50a7060bbb72760a55ecfe2f82b1fae6ae97c67740b0c19d
ripemd-160	b90ba3e114858f4b40a73aef7ff7f2d8863084eb

81497641 as geometric shapes

Circle

Radius = n

Diameter	162995282
Circumference	512064780.501
Area	2.0866035825007E+16

Sphere

Radius = n

Volume	2.2673769290127E+24
Surface area	8.3464143300028E+16
Circumference	512064780.501

Square

Length = n

Perimeter	325990564
Area	6641865488564881
Diagonal	115255069.20361

Cube

Length = n

Surface area	39851192931389286
Volume	5.4129636915735E+23
Space diagonal	141158054.90901

Equilateral Triangle

Length = n

Perimeter	244492923
Area	2.8760121208082E+15
Altitude	70579027.454504

Triangular Pyramid

Length = n

Surface area	2.8760121208082E+15
Volume	6.3792388877137E+22
Height	38418356.401205