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

129620821 (number)

129620821 is an odd 9-digits composite number following 129620820 and preceding 129620822. In scientific notation, it is written as 1.29620821 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 117837100 positive integers (up to 129620821) that are relatively prime to 129620821.

Interesting facts

129620821 has 4 divisors, whose sum is 141404544
The reverse of 129620821 is 128026921
Previous prime number is 11

Basic properties

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

Name

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

Notation

Scientific notation	1.29620821 × 10^8
Engineering notation	1.29620821 × 10^6

Prime Factorization of 129620821

Prime Factorization 11 × 11783711

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	129620821	Product of the distinct prime numbers

The prime factorization of 129620821 is 11 × 11783711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 30, 37, 563, 372, 6143, 3949, 1046, 29978, 70038, 181071, 6785176, 7563352, 46588739, 44765161, 498453751, 571977615, 5916528464, 7645210293

Basic calculations (n = 129620821)

Multiplication

n×y

n×2	259241642
n×3	388862463
n×4	518483284
n×5	648104105

Division

n÷y

n÷2	64810410.5
n÷3	43206940.333333
n÷3	32405205.25
n÷5	25924164.2

Exponentiation

n^y

n²	16801557236714041
n³	2.1778316431014E+24
n⁴	2.8229232557858E+32
n⁵	3.6590963003495E+40

Nth Root

^y√n

²√n	11385.114009091
³√n	506.08669821064
⁴√n	106.70104970941
⁵√n	41.930974287822

Divisors of 129620821

1, 11, 11783711, 129620821

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	-129620820	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 129620821 can be divided by 4 positive divisors. The sum of these divisors (counting 129620821) is 1, the average is 0.25.

Base conversion 129620821

Base	System	Value
2	Binary	111101110011101101101010101
3	Ternary	100000220102100011
4	Quaternary	13232131231111
5	Quinary	231140331241
6	Senary	20510120221
8	Octal	756355525
10	Decimal	129620821
12	Duodecimal	374b0071
16	Hexadecimal	7b9db55
20	Vigesimal	20a2c11
36	Base36	25682d

Cryptographic Hash Functions

md5	69a82fad0fb9921f3994c4fd2c0acece
sha1	386d37c91156e7492ca03fe2469f8369e1dee8c1
sha256	6ca6ce40d2c518c1e0c12d44a52026803bc9e67263728d9663d4076c760f0949
sha512	6ef003ebbd95722d6bede291974d252f9d12f49305d6e5f6de24e2934b9c0fb1484c9df38b0c3ace34960a91e7fb994ff38e20619ffba311d37a8f6a1ef837a1
ripemd-160	45e97b9878336b483340d7abfd27fe9d237cfec3

129620821 as geometric shapes

Circle

Radius = n

Diameter	259241642
Circumference	814431638.01176
Area	5.2783648783729E+16

Sphere

Radius = n

Volume	9.1224798542968E+24
Surface area	2.1113459513492E+17
Circumference	814431638.01176

Square

Length = n

Perimeter	518483284
Area	16801557236714041
Diagonal	183311523.02414

Cube

Length = n

Surface area	100809343420284246
Volume	2.1778316431014E+24
Space diagonal	224509847.69079

Equilateral Triangle

Length = n

Perimeter	388862463
Area	7.2752876950663E+15
Altitude	112254923.8454

Triangular Pyramid

Length = n

Surface area	7.2752876950663E+15
Volume	2.5665992051994E+23
Height	61103841.008045