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

128207989 (number)

128207989 is an odd 9-digits composite number following 128207988 and preceding 128207990. In scientific notation, it is written as 1.28207989 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 101439216 positive integers (up to 128207989) that are relatively prime to 128207989.

Interesting facts

128207989 has 4 divisors, whose sum is 129616960
The reverse of 128207989 is 989702821
Previous prime number is 91

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	1.28207989 × 10^8
Engineering notation	1.28207989 × 10^6

Prime Factorization of 128207989

Prime Factorization 91 × 1408879

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128207989	Product of the distinct prime numbers

The prime factorization of 128207989 is 91 × 1408879. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 86, 15, 801, 345, 5026, 5053, 10087, 41942, 387367, 762053, 9202696, 227170, 74181751, 20119446, 679108736, 630296328, 8301257567, 9677091184

Basic calculations (n = 128207989)

Multiplication

n×y

n×2	256415978
n×3	384623967
n×4	512831956
n×5	641039945

Division

n÷y

n÷2	64103994.5
n÷3	42735996.333333
n÷3	32051997.25
n÷5	25641597.8

Exponentiation

n^y

n²	16437288443424121
n³	2.1073916959443E+24
n⁴	2.7018445137232E+32
n⁵	3.4639805169514E+40

Nth Root

^y√n

²√n	11322.896670022
³√n	504.24124069873
⁴√n	106.40910050377
⁵√n	41.839165872841

Divisors of 128207989

1, 91, 1408879, 128207989

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	-128207988	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 128207989 can be divided by 4 positive divisors. The sum of these divisors (counting 128207989) is 1, the average is 0.25.

Base conversion 128207989

Base	System	Value
2	Binary	111101001000100110001110101
3	Ternary	22221020122022001
4	Quaternary	13221010301311
5	Quinary	230310123424
6	Senary	20415535301
8	Octal	751046165
10	Decimal	128207989
12	Duodecimal	36b2a531
16	Hexadecimal	7a44c75
20	Vigesimal	2015jj9
36	Base36	24bxx1

Cryptographic Hash Functions

md5	0bb416d8d855831b20b3234dd2a0f070
sha1	10a150e78a02941c2e0d87b4f71689f30144a4b5
sha256	7103a67407c835b3149e448fbdb5abeb2e26b99b1d3515b453e762e6ca02e6a4
sha512	7d8fd2054a55dc6d2895dbe9aea6a5cb9f495ab526ab77654512854a00217968ab7e3e82a2b92c9a4546753000e9f727c19b3ee241e17eb63816a6e26c2d6f84
ripemd-160	e38f673472762beb4ed59d48bcf7f07bbfa01862

128207989 as geometric shapes

Circle

Radius = n

Diameter	256415978
Circumference	805554552.74784
Area	5.1639264618798E+16

Sphere

Radius = n

Volume	8.8274216936199E+24
Surface area	2.0655705847519E+17
Circumference	805554552.74784

Square

Length = n

Perimeter	512831956
Area	16437288443424121
Diagonal	181313476.84838

Cube

Length = n

Surface area	98623730660544726
Volume	2.1073916959443E+24
Space diagonal	222062750.88423

Equilateral Triangle

Length = n

Perimeter	384623967
Area	7.1175546806688E+15
Altitude	111031375.44212

Triangular Pyramid

Length = n

Surface area	7.1175546806688E+15
Volume	2.4835849313641E+23
Height	60437825.616127