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

128820091 (number)

128820091 is an odd 9-digits composite number following 128820090 and preceding 128820092. In scientific notation, it is written as 1.28820091 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 126079192 positive integers (up to 128820091) that are relatively prime to 128820091.

Interesting facts

128820091 has 4 divisors, whose sum is 131560992
The reverse of 128820091 is 190028821
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	1.28820091 × 10^8
Engineering notation	1.28820091 × 10^6

Prime Factorization of 128820091

Prime Factorization 47 × 2740853

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128820091	Product of the distinct prime numbers

The prime factorization of 128820091 is 47 × 2740853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 8, 62, 37, 481, 529, 809, 7527, 51025, 86813, 175299, 687159, 5401266, 6188607, 58126944, 35109242, 764287271, 391977387, 9833754423, 2159283456

Basic calculations (n = 128820091)

Multiplication

n×y

n×2	257640182
n×3	386460273
n×4	515280364
n×5	644100455

Division

n÷y

n÷2	64410045.5
n÷3	42940030.333333
n÷3	32205022.75
n÷5	25764018.2

Exponentiation

n^y

n²	16594615845248281
n³	2.1377199232949E+24
n⁴	2.7538127505137E+32
n⁵	3.5474640911813E+40

Nth Root

^y√n

²√n	11349.893876156
³√n	505.04243149008
⁴√n	106.53588069827
⁵√n	41.879040251084

Divisors of 128820091

1, 47, 2740853, 128820091

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	-128820090	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 128820091 can be divided by 4 positive divisors. The sum of these divisors (counting 128820091) is 1, the average is 0.25.

Base conversion 128820091

Base	System	Value
2	Binary	111101011011010001101111011
3	Ternary	22222101201221111
4	Quaternary	13223122031323
5	Quinary	230434220331
6	Senary	20441021151
8	Octal	753321573
10	Decimal	128820091
12	Duodecimal	371847b7
16	Hexadecimal	7ada37b
20	Vigesimal	2052a4b
36	Base36	24p27v

Cryptographic Hash Functions

md5	628a6e2cb60d3aec0e04484ab614f4c5
sha1	303d20f49b6b94543a2aa58c1108a0950f3dec9b
sha256	443a683ce09c497d792f0c4a60279788a4919fd7ada767b8b1ef4576161be836
sha512	3eebd7fe667cbeb5f93cfd5ac62a91a2e4efaf3fca00827d46f4f93ef8a8d519294e06378c38c5bdd306d730716ebe6a674550290610c739fc3ce361d74480ea
ripemd-160	0a694a0fb99c63fb9d93915af4ee75045f92a96e

128820091 as geometric shapes

Circle

Radius = n

Diameter	257640182
Circumference	809400503.04074
Area	5.2133523228577E+16

Sphere

Radius = n

Volume	8.9544602752745E+24
Surface area	2.0853409291431E+17
Circumference	809400503.04074

Square

Length = n

Perimeter	515280364
Area	16594615845248281
Diagonal	182179119.79834

Cube

Length = n

Surface area	99567695071489686
Volume	2.1377199232949E+24
Space diagonal	223122942.64765

Equilateral Triangle

Length = n

Perimeter	386460273
Area	7.1856794440144E+15
Altitude	111561471.32382

Triangular Pyramid

Length = n

Surface area	7.1856794440144E+15
Volume	2.5193270900657E+23
Height	60726373.266112