129297921 (number)

129297921 is an odd 9-digits composite number following 129297920 and preceding 129297922. In scientific notation, it is written as 1.29297921 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 83226192 positive integers (up to 129297921) that are relatively prime to 129297921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29297921 × 10^8
Engineering notation 1.29297921 × 10^6

Prime Factorization of 129297921

Prime Factorization 3 × 29 × 1486183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129297921
Product of the distinct prime numbers

The prime factorization of 129297921 is 3 × 29 × 1486183. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 54, 87, 770, 188, 1538, 3900, 50094, 12670, 836832, 43187, 7315927, 8142939, 7686781, 72255959, 738249914, 889639743, 2353035481, 6222721632

Basic calculations (n = 129297921)

Multiplication

n×y
n×2 258595842
n×3 387893763
n×4 517191684
n×5 646489605

Division

n÷y
n÷2 64648960.5
n÷3 43099307
n÷3 32324480.25
n÷5 25859584.2

Exponentiation

ny
n2 16717952374922241
n3 2.1615964854545E+24
n4 2.7948993161017E+32
n5 3.6137467097627E+40

Nth Root

y√n
2√n 11370.924368757
3√n 505.6661092007
4√n 106.63453647275
5√n 41.910062488205

Divisors of 129297921

1, 3, 29, 87, 1486183, 4458549, 43099307, 129297921

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 -129297920
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 129297921 can be divided by 8 positive divisors. The sum of these divisors (counting 129297921) is 1, the average is 0.125.

Base conversion 129297921

Base System Value
2 Binary 111101101001110111000000001
3 Ternary 100000022000101220
4 Quaternary 13231032320001
5 Quinary 231100013141
6 Senary 20455145253
8 Octal 755167001
10 Decimal 129297921
12 Duodecimal 37375229
16 Hexadecimal 7b4ee01
20 Vigesimal 20824g1
36 Base36 24zawx

Cryptographic Hash Functions

md5 8f75dcddb46a45c972c2f1e4d063bf25
sha1 3fda89438b2920b9498adaed30b410cf3ade54f5
sha256 25c7ad86f66638bb3afb10d83fb4b7c7ecdf06b97ace6d4e5ad82ac1bd2b132a
sha512 c65ee75408bb4037f9b0c6d3c821080daab7194418c6c2560ce91a6087bd881fc05244a5511fe389b08fb1bbe12b6407413fb569a498fc8c0b2d1d93f72e4826
ripemd-160 6b120b01ccfe19d929e6ba4140d57e6771e094bb

129297921 as geometric shapes

Circle

Radius = n
Diameter 258595842
Circumference 812402797.47607
Area 5.252099636412E+16

Sphere

Radius = n
Volume 9.0544741849723E+24
Surface area 2.1008398545648E+17
Circumference 812402797.47607

Square

Length = n
Perimeter 517191684
Area 16717952374922241
Diagonal 182854873.46485

Cube

Length = n
Surface area 100307714249533446
Volume 2.1615964854545E+24
Space diagonal 223950568.48503

Equilateral Triangle

Length = n
Perimeter 387893763
Area 7.2390857279705E+15
Altitude 111975284.24251

Triangular Pyramid

Length = n
Surface area 7.2390857279705E+15
Volume 2.5474658884231E+23
Height 60951624.488282