128121491, one hundred twenty-eight million one hundred twenty-one thousand four hundred ninety-one: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

128121491 has 4 divisors, whose sum is 131584272
The reverse of 128121491 is 194121821
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2

Name

Name	one hundred twenty-eight million one hundred twenty-one thousand four hundred ninety-one

Notation

Scientific notation	1.28121491 × 10^8
Engineering notation	1.28121491 × 10^6

Prime Factorization of 128121491

Prime Factorization 37 × 3462743

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128121491	Product of the distinct prime numbers

The prime factorization of 128121491 is 37 × 3462743. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 2, 81, 531, 281, 5250, 4785, 70801, 36685, 102031, 239919, 1094381, 2885891, 8517667, 76681578, 666858658, 843182294, 5322192995, 5729738422

Basic calculations (n = 128121491)

Multiplication

n×y

n×2	256242982
n×3	384364473
n×4	512485964
n×5	640607455

Division

n÷y

n÷2	64060745.5
n÷3	42707163.666667
n÷3	32030372.75
n÷5	25624298.2

Exponentiation

n^y

n²	16415116456063081
n³	2.1031291952894E+24
n⁴	2.6945604826611E+32
n⁵	3.4523110662822E+40

Nth Root

^y√n

²√n	11319.07641992
³√n	504.12781648438
⁴√n	106.39114822165
⁵√n	41.833518828151

Divisors of 128121491

1, 37, 3462743, 128121491

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	-128121490	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 128121491 can be divided by 4 positive divisors. The sum of these divisors (counting 128121491) is 1, the average is 0.25.

Base conversion 128121491

Base	System	Value
2	Binary	111101000101111101010010011
3	Ternary	22221002020122102
4	Quaternary	13220233222103
5	Quinary	230244341431
6	Senary	20414031015
8	Octal	750575223
10	Decimal	128121491
12	Duodecimal	36aa846b
16	Hexadecimal	7a2fa93
20	Vigesimal	200f3eb
36	Base36	24a36b

Cryptographic Hash Functions

md5	ca2c7254cb8593526c74a99463f9442c
sha1	ad3fb69ca8e3bb6802ed8a54e448187c94fb6243
sha256	96f42805a630871feef828ff6d4644b61fa0bd560670f018dda8c3cffa95abe0
sha512	d707dd523792fbda43d64b6be76781f6e085a76859cf99355e4c445999cafa9f344df33779ca3625af7c623d2252f697715eb24d21843d886d7c49658f2bf4f9
ripemd-160	d3cd348ce1de3d3e4ee57dcf378d6e892d3fa003

128121491 as geometric shapes

Circle

Radius = n

Diameter	256242982
Circumference	805011069.78514
Area	5.1569609266189E+16

Sphere

Radius = n

Volume	8.8095669726287E+24
Surface area	2.0627843706475E+17
Circumference	805011069.78514

Square

Length = n

Perimeter	512485964
Area	16415116456063081
Diagonal	181191150.20366

Cube

Length = n

Surface area	98490698736378486
Volume	2.1031291952894E+24
Space diagonal	221912931.95348

Equilateral Triangle

Length = n

Perimeter	384364473
Area	7.1079539285153E+15
Altitude	110956465.97674

Triangular Pyramid

Length = n

Surface area	7.1079539285153E+15
Volume	2.4785615261676E+23
Height	60397050.067887