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

129616981 (number)

129616981 is an odd 9-digits composite number following 129616980 and preceding 129616982. In scientific notation, it is written as 1.29616981 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 119646432 positive integers (up to 129616981) that are relatively prime to 129616981.

Interesting facts

129616981 has 4 divisors, whose sum is 139587532
The reverse of 129616981 is 189616921
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7

Name

Name	one hundred twenty-nine million six hundred sixteen thousand nine hundred eighty-one

Notation

Scientific notation	1.29616981 × 10^8
Engineering notation	1.29616981 × 10^6

Prime Factorization of 129616981

Prime Factorization 13 × 9970537

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	129616981	Product of the distinct prime numbers

The prime factorization of 129616981 is 13 × 9970537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 66, 73, 177, 145, 7804, 6223, 87703, 16392, 741039, 490870, 5965155, 5044695, 34012408, 52624482, 922059962, 172057048, 6267053699, 207541384

Basic calculations (n = 129616981)

Multiplication

n×y

n×2	259233962
n×3	388850943
n×4	518467924
n×5	648084905

Division

n÷y

n÷2	64808490.5
n÷3	43205660.333333
n÷3	32404245.25
n÷5	25923396.2

Exponentiation

n^y

n²	16800561763554361
n³	2.177638094896E+24
n⁴	2.82258875571E+32
n⁵	3.6585543311968E+40

Nth Root

^y√n

²√n	11384.945366579
³√n	506.08170057704
⁴√n	106.70025944945
⁵√n	41.930725844944

Divisors of 129616981

1, 13, 9970537, 129616981

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	-129616980	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 129616981 can be divided by 4 positive divisors. The sum of these divisors (counting 129616981) is 1, the average is 0.25.

Base conversion 129616981

Base	System	Value
2	Binary	111101110011100110001010101
3	Ternary	100000220020001221
4	Quaternary	13232130301111
5	Quinary	231140220411
6	Senary	20510050341
8	Octal	756346125
10	Decimal	129616981
12	Duodecimal	374a99b1
16	Hexadecimal	7b9cc55
20	Vigesimal	20a2291
36	Base36	25653p

Cryptographic Hash Functions

md5	56d29b06efb075e769ab356c38f9ce7b
sha1	877b7a71e4b742172313f1aa56e57a4758054737
sha256	95f8c6aa95eb8082bead9ecddc20c7bc814d850d6f99d295f03355a7b342f795
sha512	bc7904f2d0ad01618e700606d3f860b056b457dd76d0c43420df24891e660b9f83b7573546e624e92a229dc3856d0d46ce647b11efc92fd54642a2ee9713f57e
ripemd-160	2d21d63de67752a518a4b5abd9d8522d7bd1766a

129616981 as geometric shapes

Circle

Radius = n

Diameter	259233962
Circumference	814407510.58018
Area	5.2780521412564E+16

Sphere

Radius = n

Volume	9.1216691214699E+24
Surface area	2.1112208565026E+17
Circumference	814407510.58018

Square

Length = n

Perimeter	518467924
Area	16800561763554361
Diagonal	183306092.44406

Cube

Length = n

Surface area	100803370581326166
Volume	2.177638094896E+24
Space diagonal	224503196.61569

Equilateral Triangle

Length = n

Perimeter	388850943
Area	7.2748566425438E+15
Altitude	112251598.30784

Triangular Pyramid

Length = n

Surface area	7.2748566425438E+15
Volume	2.5663711064518E+23
Height	61102030.814685