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

81001489 (number)

81001489 is an odd 8-digits composite number following 81001488 and preceding 81001490. In scientific notation, it is written as 8.1001489 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 80151120 positive integers (up to 81001489) that are relatively prime to 81001489.

Interesting facts

81001489 has 8 divisors, whose sum is 81855488
The reverse of 81001489 is 98410018
Previous prime number is 571

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million one thousand four hundred eighty-nine

Notation

Scientific notation	8.1001489 × 10^7
Engineering notation	8.1001489 × 10^6

Prime Factorization of 81001489

Prime Factorization 127 × 571 × 1117

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81001489	Product of the distinct prime numbers

The prime factorization of 81001489 is 127 × 571 × 1117. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 98, 10, 130, 916, 9074, 9199, 39913, 5717, 445750, 322623, 7573607, 2404775, 15683080, 66656683, 577160603, 864460924, 126852986, 4612351839

Basic calculations (n = 81001489)

Multiplication

n×y

n×2	162002978
n×3	243004467
n×4	324005956
n×5	405007445

Division

n÷y

n÷2	40500744.5
n÷3	27000496.333333
n÷3	20250372.25
n÷5	16200297.8

Exponentiation

n^y

n²	6561241220217121
n³	5.3147030852576E+23
n⁴	4.3049886349876E+31
n⁵	3.4871048956208E+39

Nth Root

^y√n

²√n	9000.0827218421
³√n	432.67752232241
⁴√n	94.868765786438
⁵√n	38.167929420676

Divisors of 81001489

1, 127, 571, 1117, 72517, 141859, 637807, 81001489

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	-81001488	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 81001489 can be divided by 8 positive divisors. The sum of these divisors (counting 81001489) is 1, the average is 0.125.

Base conversion 81001489

Base	System	Value
2	Binary	100110100111111110000010001
3	Ternary	12122102022011011
4	Quaternary	10310333300101
5	Quinary	131214021424
6	Senary	12012050521
8	Octal	464776021
10	Decimal	81001489
12	Duodecimal	23163a41
16	Hexadecimal	4d3fc11
20	Vigesimal	15653e9
36	Base36	1c855d

Cryptographic Hash Functions

md5	03846d458a1d39e0f946c1e03930fec5
sha1	a4dc7de7a2454f187070580f3a00483fac076247
sha256	5702bdec41fb2a40e5018ca3c40249f779f8eca7d61dc3572cd807a1dbca8b36
sha512	f2fe47c9650a258915494b5c48116cdb032ade216afc458c03268604527c73374acb345454af302d435a2e7bae90f96a86536b928dbb72905e5f041698719c2c
ripemd-160	0e11ada061778b545ac83e1c116db3e2f433c449

81001489 as geometric shapes

Circle

Radius = n

Diameter	162002978
Circumference	508947365.54447
Area	2.0612747215865E+16

Sphere

Radius = n

Volume	2.2262176224875E+24
Surface area	8.2450988863459E+16
Circumference	508947365.54447

Square

Length = n

Perimeter	324005956
Area	6561241220217121
Diagonal	114553404.31622

Cube

Length = n

Surface area	39367447321302726
Volume	5.3147030852576E+23
Space diagonal	140298694.43673

Equilateral Triangle

Length = n

Perimeter	243004467
Area	2.8411007885328E+15
Altitude	70149347.218366

Triangular Pyramid

Length = n

Surface area	2.8411007885328E+15
Volume	6.2634376526312E+22
Height	38184468.105405