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

129021890 (number)

129021890 is an even 9-digits composite number following 129021889 and preceding 129021891. In scientific notation, it is written as 1.29021890 × 10^8. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 51608752 positive integers (up to 129021890) that are relatively prime to 129021890.

Interesting facts

129021890 has 8 divisors, whose sum is 232239420
The reverse of 129021890 is 098120921
Previous prime number is 5

Basic properties

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

Name

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

Notation

Scientific notation	1.29021890 × 10^8
Engineering notation	1.29021890 × 10^6

Prime Factorization of 129021890

Prime Factorization 2 × 5 × 12902189

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	129021890	Product of the distinct prime numbers

The prime factorization of 129021890 is 2 × 5 × 12902189. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 23, 39, 547, 437, 1810, 4290, 49097, 65081, 45510, 301684, 4013373, 5021742, 76954577, 27793592, 237611988, 496965312, 535685108, 2354369313

Basic calculations (n = 129021890)

Multiplication

n×y

n×2	258043780
n×3	387065670
n×4	516087560
n×5	645109450

Division

n÷y

n÷2	64510945
n÷3	43007296.666667
n÷3	32255472.5
n÷5	25804378

Exponentiation

n^y

n²	16646648099172100
n³	2.1477819999201E+24
n⁴	2.7711089293767E+32
n⁵	3.5753371146406E+40

Nth Root

^y√n

²√n	11358.78030424
³√n	505.30601326733
⁴√n	106.57757880643
⁵√n	41.892152891821

Divisors of 129021890

1, 2, 5, 10, 12902189, 25804378, 64510945, 129021890

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	-129021889	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 129021890 can be divided by 8 positive divisors. The sum of these divisors (counting 129021890) is 1, the average is 0.125.

Base conversion 129021890

Base	System	Value
2	Binary	111101100001011011111000010
3	Ternary	22222202222202112
4	Quaternary	13230023133002
5	Quinary	231012200030
6	Senary	20445215322
8	Octal	754133702
10	Decimal	129021890
12	Duodecimal	37261542
16	Hexadecimal	7b0b7c2
20	Vigesimal	2067eea
36	Base36	24tdxe

Cryptographic Hash Functions

md5	b64060a7cd44b8d63956203704340c03
sha1	69c4e927d6c07415902c8abbfd9a517f432cb1f6
sha256	7501429437ca823836aa6c983349f623ef68805783b6095f80b98cc4733dadb6
sha512	fdb17fb36577f65a60369169488130c4f385e0f7e731f0a49a789fe4e3c8e70ca730e7b87ac98c25c420a6e0555d816abf1fed1778e2a494936c8ee3e22ae775
ripemd-160	3963a08259a0a20ad4f58cc41647658ae4ca39e3

129021890 as geometric shapes

Circle

Radius = n

Diameter	258043780
Circumference	810668443.55254
Area	5.2296987375254E+16

Sphere

Radius = n

Volume	8.9966082032818E+24
Surface area	2.0918794950101E+17
Circumference	810668443.55254

Square

Length = n

Perimeter	516087560
Area	16646648099172100
Diagonal	182464506.68101

Cube

Length = n

Surface area	99879888595032600
Volume	2.1477819999201E+24
Space diagonal	223472468.76856

Equilateral Triangle

Length = n

Perimeter	387065670
Area	7.2082100708715E+15
Altitude	111736234.38428

Triangular Pyramid

Length = n

Surface area	7.2082100708715E+15
Volume	2.5311853610898E+23
Height	60821502.227003