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

128420901 (number)

128420901 is an odd 9-digits composite number following 128420900 and preceding 128420902. In scientific notation, it is written as 1.28420901 × 10^8. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 73383336 positive integers (up to 128420901) that are relatively prime to 128420901.

Interesting facts

128420901 has 8 divisors, whose sum is 179381664
The reverse of 128420901 is 109024821
Previous prime number is 21

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	1.28420901 × 10^8
Engineering notation	1.28420901 × 10^6

Prime Factorization of 128420901

Prime Factorization 3 × 21 × 2038427

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128420901	Product of the distinct prime numbers

The prime factorization of 128420901 is 3 × 21 × 2038427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 83, 19, 78, 888, 599, 369, 6763, 44708, 825959, 63573, 3223174, 3393945, 77481910, 63457645, 649738741, 510505482, 4478155113, 4577675366

Basic calculations (n = 128420901)

Multiplication

n×y

n×2	256841802
n×3	385262703
n×4	513683604
n×5	642104505

Division

n÷y

n÷2	64210450.5
n÷3	42806967
n÷3	32105225.25
n÷5	25684180.2

Exponentiation

n^y

n²	16491927813651801
n³	2.1179082290561E+24
n⁴	2.719836830107E+32
n⁵	3.4928389629533E+40

Nth Root

^y√n

²√n	11332.29460436
³√n	504.52021352799
⁴√n	106.45325079282
⁵√n	41.85305291542

Divisors of 128420901

1, 3, 21, 63, 2038427, 6115281, 42806967, 128420901

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	-128420900	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 128420901 can be divided by 8 positive divisors. The sum of these divisors (counting 128420901) is 1, the average is 0.125.

Base conversion 128420901

Base	System	Value
2	Binary	111101001111000110000100101
3	Ternary	22221122110100200
4	Quaternary	13221320300211
5	Quinary	230333432101
6	Senary	20424301113
8	Octal	751706045
10	Decimal	128420901
12	Duodecimal	37011799
16	Hexadecimal	7a78c25
20	Vigesimal	202cc51
36	Base36	24gi79

Cryptographic Hash Functions

md5	c070645c1f7b334f811e79cde1cbd42a
sha1	b1c0068c363adc201c348cb340727242d280cf7c
sha256	3f146f1eb739f6745afa22311c88aa251448b63837f5e0688227e4ed6a342fa7
sha512	35e5473b988905789209dafe3364b37eaa96ece946262a3b15e0ad3b9ae8f17a49f213e53abd0c2b295311f33f2cc55fc4e890e1a3c31102cf95041c3b68c1e4
ripemd-160	4328785b5c708cf4333350bb34cf54e992091933

128420901 as geometric shapes

Circle

Radius = n

Diameter	256841802
Circumference	806892318.29796
Area	5.1810919262902E+16

Sphere

Radius = n

Volume	8.8714732445068E+24
Surface area	2.0724367705161E+17
Circumference	806892318.29796

Square

Length = n

Perimeter	513683604
Area	16491927813651801
Diagonal	181614579.88637

Cube

Length = n

Surface area	98951566881910806
Volume	2.1179082290561E+24
Space diagonal	222431525.28577

Equilateral Triangle

Length = n

Perimeter	385262703
Area	7.1412142220008E+15
Altitude	111215762.64289

Triangular Pyramid

Length = n

Surface area	7.1412142220008E+15
Volume	2.495978784494E+23
Height	60538193.295458