129221272 (number)

129221272 is an even 9-digits composite number following 129221271 and preceding 129221273. In scientific notation, it is written as 1.29221272 × 10^8. The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors. There are 64610632 positive integers (up to 129221272) that are relatively prime to 129221272.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million two hundred twenty-one thousand two hundred seventy-two

Notation

Scientific notation 1.29221272 × 10^8
Engineering notation 1.29221272 × 10^6

Prime Factorization of 129221272

Prime Factorization 2 × 2 × 2 × 16152659

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 32305318
Product of the distinct prime numbers

The prime factorization of 129221272 is 2 × 2 × 2 × 16152659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 34, 96, 234, 309, 2724, 3763, 60749, 13445, 133468, 571303, 1501439, 1971286, 45162456, 41912117, 822902886, 711584268, 1836156993, 2122199014

Basic calculations (n = 129221272)

Multiplication

n×y
n×2 258442544
n×3 387663816
n×4 516885088
n×5 646106360

Division

n÷y
n÷2 64610636
n÷3 43073757.333333
n÷3 32305318
n÷5 25844254.4

Exponentiation

ny
n2 16698137137297984
n3 2.1577545209121E+24
n4 2.7882778385601E+32
n5 3.6030480898815E+40

Nth Root

y√n
2√n 11367.553474693
3√n 505.5661682718
4√n 106.6187294742
5√n 41.905092375224

Divisors of 129221272

1, 2, 4, 8, 16152659, 32305318, 64610636, 129221272

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 -129221271
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 129221272 can be divided by 8 positive divisors. The sum of these divisors (counting 129221272) is 1, the average is 0.125.

Base conversion 129221272

Base System Value
2 Binary 111101100111100001010011000
3 Ternary 100000011010021001
4 Quaternary 13230330022120
5 Quinary 231040040042
6 Senary 20453354344
8 Octal 754741230
10 Decimal 129221272
12 Duodecimal 373389b4
16 Hexadecimal 7b3c298
20 Vigesimal 207cd3c
36 Base36 24xnrs

Cryptographic Hash Functions

md5 4d5484dac484d69f3ddb6b4f6a47fcdf
sha1 567136af9baa21a466f8d4758f99e5df065be906
sha256 fd4b84f85ee11c7aa6222a7fd380f56008779c239746fb445cbb338a48fe08a2
sha512 a7d74a5beec818c99869ee26cf12166e573f210f197ff5294f0618aefd76af1096a7554297d2f87c9888509b6e7911e87c1af44532e21bb4d02c623e0e64b12d
ripemd-160 8519b30ae67b6ebbb0def184a45c1b1e2fc4e1bc

129221272 as geometric shapes

Circle

Radius = n
Diameter 258442544
Circumference 811921197.60546
Area 5.245874495917E+16

Sphere

Radius = n
Volume 9.0383810015301E+24
Surface area 2.0983497983668E+17
Circumference 811921197.60546

Square

Length = n
Perimeter 516885088
Area 16698137137297984
Diagonal 182746475.4095

Cube

Length = n
Surface area 100188822823787904
Volume 2.1577545209121E+24
Space diagonal 223817808.52268

Equilateral Triangle

Length = n
Perimeter 387663816
Area 7.2305054783882E+15
Altitude 111908904.26134

Triangular Pyramid

Length = n
Surface area 7.2305054783882E+15
Volume 2.5429380897881E+23
Height 60915491.803168