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

129621809 (number)

129621809 is an odd 9-digits composite number following 129621808 and preceding 129621810. In scientific notation, it is written as 1.29621809 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 128422800 positive integers (up to 129621809) that are relatively prime to 129621809.

Interesting facts

129621809 has 8 divisors, whose sum is 130824960
The reverse of 129621809 is 908126921
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	1.29621809 × 10^8
Engineering notation	1.29621809 × 10^6

Prime Factorization of 129621809

Prime Factorization 941 × 139 × 991

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	129621809	Product of the distinct prime numbers

The prime factorization of 129621809 is 941 × 139 × 991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 6, 11, 337, 816, 9485, 3304, 69311, 22303, 917849, 239630, 3225900, 1931263, 35237743, 65705208, 861921520, 935683799, 435327743, 6106216191

Basic calculations (n = 129621809)

Multiplication

n×y

n×2	259243618
n×3	388865427
n×4	518487236
n×5	648109045

Division

n÷y

n÷2	64810904.5
n÷3	43207269.666667
n÷3	32405452.25
n÷5	25924361.8

Exponentiation

n^y

n²	16801813368432481
n³	2.1778814432966E+24
n⁴	2.8230093246764E+32
n⁵	3.6592357548842E+40

Nth Root

^y√n

²√n	11385.157399
³√n	506.08798404416
⁴√n	106.70125303388
⁵√n	41.931038209152

Divisors of 129621809

1, 139, 941, 991, 130799, 137749, 932531, 129621809

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	-129621808	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 129621809 can be divided by 8 positive divisors. The sum of these divisors (counting 129621809) is 1, the average is 0.125.

Base conversion 129621809

Base	System	Value
2	Binary	111101110011101111100110001
3	Ternary	100000220110200202
4	Quaternary	13232131330301
5	Quinary	231140344214
6	Senary	20510124545
8	Octal	756357461
10	Decimal	129621809
12	Duodecimal	374b0755
16	Hexadecimal	7b9df31
20	Vigesimal	20a2ea9
36	Base36	2568tt

Cryptographic Hash Functions

md5	f4c9d3f3f443060e439b5f3c58b1e0dd
sha1	ce854fcfcc6e5faf13907e93bbc53b2280bf1977
sha256	67419a266dd61db1e5648e4c45e59c4f25f39051f190fdc2a0f3547a08e9ee76
sha512	166ac19b115ab66591ae1bbd1badd6402c5bdba76195b10c81629e966af277377afe75784eb042f7a5ad7e97f1ed24ea7a39c53a7b7eb4238b78340663bf8e36
ripemd-160	800b8f8a640fb7aa92339a6912d7475e1c462f26

129621809 as geometric shapes

Circle

Radius = n

Diameter	259243618
Circumference	814437845.79884
Area	5.2784453445254E+16

Sphere

Radius = n

Volume	9.1226884568669E+24
Surface area	2.1113781378102E+17
Circumference	814437845.79884

Square

Length = n

Perimeter	518487236
Area	16801813368432481
Diagonal	183312920.26713

Cube

Length = n

Surface area	100810880210594886
Volume	2.1778814432966E+24
Space diagonal	224511558.95699

Equilateral Triangle

Length = n

Perimeter	388865427
Area	7.2753986033538E+15
Altitude	112255779.47849

Triangular Pyramid

Length = n

Surface area	7.2753986033538E+15
Volume	2.5666578952923E+23
Height	61104306.755712