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

128032981 (number)

128032981 is an odd 9-digits composite number following 128032980 and preceding 128032982. In scientific notation, it is written as 1.28032981 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 127055500 positive integers (up to 128032981) that are relatively prime to 128032981.

Interesting facts

128032981 has 4 divisors, whose sum is 129010464
The reverse of 128032981 is 189230821
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7

Name

Name	one hundred twenty-eight million thirty-two thousand nine hundred eighty-one

Notation

Scientific notation	1.28032981 × 10^8
Engineering notation	1.28032981 × 10^6

Prime Factorization of 128032981

Prime Factorization 131 × 977351

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128032981	Product of the distinct prime numbers

The prime factorization of 128032981 is 131 × 977351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 3, 9, 56, 585, 492, 3303, 6437, 33305, 59154, 149795, 652498, 5221183, 3356951, 77347514, 48906248, 187808094, 752846422, 1451287191, 7054488042

Basic calculations (n = 128032981)

Multiplication

n×y

n×2	256065962
n×3	384098943
n×4	512131924
n×5	640164905

Division

n÷y

n÷2	64016490.5
n÷3	42677660.333333
n÷3	32008245.25
n÷5	25606596.2

Exponentiation

n^y

n²	16392444223746361
n³	2.0987734998425E+24
n⁴	2.6871222762864E+32
n⁵	3.4404027534445E+40

Nth Root

^y√n

²√n	11315.165973153
³√n	504.01170109098
⁴√n	106.3727689456
⁵√n	41.827737271419

Divisors of 128032981

1, 131, 977351, 128032981

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	-128032980	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 128032981 can be divided by 4 positive divisors. The sum of these divisors (counting 128032981) is 1, the average is 0.25.

Base conversion 128032981

Base	System	Value
2	Binary	111101000011010000011010101
3	Ternary	22220220202020021
4	Quaternary	13220122003111
5	Quinary	230234023411
6	Senary	20412105141
8	Octal	750320325
10	Decimal	128032981
12	Duodecimal	36a651b1
16	Hexadecimal	7a1a0d5
20	Vigesimal	2004291
36	Base36	2486vp

Cryptographic Hash Functions

md5	154ee2e0a01ec6bb99ba1334d0d630ba
sha1	898abea10fb49e7339d70bd624cd1edcc0c9c745
sha256	b5f455856c9c1c5eac25b4b5aab127f032d5dd7dcfaf28c78c078c3bdccc086b
sha512	19b1a3a8436e3f9f9b6ce12960cfa5cc0cf648d81e676781fcb44ae0f9e41ddf4316dfeed35769064775b5e940890eebb999d317e53c9f77678e96f2e4092b5c
ripemd-160	2eec65817cbe9c9870853071a9fcd132ec14eff0

128032981 as geometric shapes

Circle

Radius = n

Diameter	256065962
Circumference	804454945.0536
Area	5.1498382347702E+16

Sphere

Radius = n

Volume	8.7913218782054E+24
Surface area	2.0599352939081E+17
Circumference	804454945.0536

Square

Length = n

Perimeter	512131924
Area	16392444223746361
Diagonal	181065978.16126

Cube

Length = n

Surface area	98354665342478166
Volume	2.0987734998425E+24
Space diagonal	221759628.1365

Equilateral Triangle

Length = n

Perimeter	384098943
Area	7.0981365639419E+15
Altitude	110879814.06825

Triangular Pyramid

Length = n

Surface area	7.0981365639419E+15
Volume	2.4734282898554E+23
Height	60355326.053752