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

128702921 (number)

128702921 is an odd 9-digits composite number following 128702920 and preceding 128702922. In scientific notation, it is written as 1.28702921 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 126274512 positive integers (up to 128702921) that are relatively prime to 128702921.

Interesting facts

128702921 has 4 divisors, whose sum is 131131332
The reverse of 128702921 is 129207821
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	1.28702921 × 10^8
Engineering notation	1.28702921 × 10^6

Prime Factorization of 128702921

Prime Factorization 53 × 2428357

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128702921	Product of the distinct prime numbers

The prime factorization of 128702921 is 53 × 2428357. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 55, 32, 961, 353, 1102, 7765, 59942, 88319, 883916, 134411, 2839080, 878469, 16842971, 20726443, 329727020, 692506727, 3743831135, 2368269549

Basic calculations (n = 128702921)

Multiplication

n×y

n×2	257405842
n×3	386108763
n×4	514811684
n×5	643514605

Division

n÷y

n÷2	64351460.5
n÷3	42900973.666667
n÷3	32175730.25
n÷5	25740584.2

Exponentiation

n^y

n²	16564441873932241
n³	2.1318920539098E+24
n⁴	2.7438073459488E+32
n⁵	3.5313602008487E+40

Nth Root

^y√n

²√n	11344.730979622
³√n	504.88926239021
⁴√n	106.51164715477
⁵√n	41.871419151981

Divisors of 128702921

1, 53, 2428357, 128702921

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	-128702920	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 128702921 can be divided by 4 positive divisors. The sum of these divisors (counting 128702921) is 1, the average is 0.25.

Base conversion 128702921

Base	System	Value
2	Binary	111101010111101100111001001
3	Ternary	22222011210012212
4	Quaternary	13222331213021
5	Quinary	230421443141
6	Senary	20434314505
8	Octal	752754711
10	Decimal	128702921
12	Duodecimal	37128a35
16	Hexadecimal	7abd9c9
20	Vigesimal	2047h61
36	Base36	24mjt5

Cryptographic Hash Functions

md5	08ee6f9a81433d8a4a0e35ea038174b7
sha1	e300cf2553c9616b710d6f53b2bd3faa07f8b7ec
sha256	84d4cea82493f882a8c02dae6a88d11aea78a55976647bac7a664d1fdcc5694d
sha512	77c699a840b1a91d9582df3f575f01de5151fa6e9fba5b743d153e76557f572ca752c9ed4c4244d9c0287243f97029389367a302cc91cc579837ab1268deae6c
ripemd-160	9db5048f1ff199b0692cfc1367e5410adb56f5b6

128702921 as geometric shapes

Circle

Radius = n

Diameter	257405842
Circumference	808664302.21829
Area	5.2038728901961E+16

Sphere

Radius = n

Volume	8.9300485530793E+24
Surface area	2.0815491560784E+17
Circumference	808664302.21829

Square

Length = n

Perimeter	514811684
Area	16564441873932241
Diagonal	182013416.39523

Cube

Length = n

Surface area	99386651243593446
Volume	2.1318920539098E+24
Space diagonal	222919998.25452

Equilateral Triangle

Length = n

Perimeter	386108763
Area	7.172613731168E+15
Altitude	111459999.12726

Triangular Pyramid

Length = n

Surface area	7.172613731168E+15
Volume	2.5124588801289E+23
Height	60671138.798411