129581621 (number)

129581621 is an odd 9-digits composite number following 129581620 and preceding 129581622. In scientific notation, it is written as 1.29581621 × 10^8. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 118379520 positive integers (up to 129581621) that are relatively prime to 129581621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29581621 × 10^8
Engineering notation 1.29581621 × 10^6

Prime Factorization of 129581621

Prime Factorization 97 × 13 × 102761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129581621
Product of the distinct prime numbers

The prime factorization of 129581621 is 97 × 13 × 102761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 66, 93, 153, 186, 17, 637, 24847, 51334, 575965, 962332, 3534365, 8911389, 26432759, 43034396, 347435938, 35260469, 9471990538, 5283132184

Basic calculations (n = 129581621)

Multiplication

n×y
n×2 259163242
n×3 388744863
n×4 518326484
n×5 647908105

Division

n÷y
n÷2 64790810.5
n÷3 43193873.666667
n÷3 32395405.25
n÷5 25916324.2

Exponentiation

ny
n2 16791396500987641
n3 2.1758563774517E+24
n4 2.8195099645338E+32
n5 3.6535667162994E+40

Nth Root

y√n
2√n 11383.392332692
3√n 506.03567606101
4√n 106.69298164684
5√n 41.928437823309

Divisors of 129581621

1, 13, 97, 1261, 102761, 1335893, 9967817, 129581621

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 -129581620
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 129581621 can be divided by 8 positive divisors. The sum of these divisors (counting 129581621) is 1, the average is 0.125.

Base conversion 129581621

Base System Value
2 Binary 111101110010100001000110101
3 Ternary 100000211102120022
4 Quaternary 13232110020311
5 Quinary 231133102441
6 Senary 20505214525
8 Octal 756241065
10 Decimal 129581621
12 Duodecimal 37491445
16 Hexadecimal 7b94235
20 Vigesimal 209he11
36 Base36 255dth

Cryptographic Hash Functions

md5 31ceb7b54a714b95691052c86cf68f4d
sha1 5995e16b64e4eb55f534f8cc2530f263dad1d2b3
sha256 4018f07c7441119c6cfed1245a528860669f57386ba3839f783dc73cc7278db5
sha512 975080e149b9aa80304d4279836187b852742e6094bda0fa4b0a6f539d80c7f32f0f6d4dc032f70eef0664d182c832acd6485160c0ad4f78a53d7c61894d9e60
ripemd-160 4bd2e0939373d3449f4eaf6cc27292d0b5760208

129581621 as geometric shapes

Circle

Radius = n
Diameter 259163242
Circumference 814185337.14771
Area 5.2751727891016E+16

Sphere

Radius = n
Volume 9.1142058808917E+24
Surface area 2.1100691156406E+17
Circumference 814185337.14771

Square

Length = n
Perimeter 518326484
Area 16791396500987641
Diagonal 183256085.85249

Cube

Length = n
Surface area 100748379005925846
Volume 2.1758563774517E+24
Space diagonal 224441951.29913

Equilateral Triangle

Length = n
Perimeter 388744863
Area 7.2708879674362E+15
Altitude 112220975.64957

Triangular Pyramid

Length = n
Surface area 7.2708879674362E+15
Volume 2.5642713323068E+23
Height 61085361.95083