129291280 (number)

129291280 is an even 9-digits composite number following 129291279 and preceding 129291281. In scientific notation, it is written as 1.29291280 × 10^8. The sum of its digits is 34. It has a total of 8 prime factors and 80 positive divisors. There are 47742464 positive integers (up to 129291280) that are relatively prime to 129291280.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29291280 × 10^8
Engineering notation 1.29291280 × 10^6

Prime Factorization of 129291280

Prime Factorization 2 × 2 × 2 × 2 × 5 × 23 × 29 × 2423

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 16161410
Product of the distinct prime numbers

The prime factorization of 129291280 is 2 × 2 × 2 × 2 × 5 × 23 × 29 × 2423. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 7, 8, 81, 60, 127, 1340, 3657, 44962, 35119, 698629, 884018, 2931082, 3804096, 89619935, 2677393, 988817711, 423865826, 3174398836, 4723320408

Basic calculations (n = 129291280)

Multiplication

n×y
n×2 258582560
n×3 387873840
n×4 517165120
n×5 646456400

Division

n÷y
n÷2 64645640
n÷3 43097093.333333
n÷3 32322820
n÷5 25858256

Exponentiation

ny
n2 16716235084038400
n3 2.1612634307962E+24
n4 2.7943251538484E+32
n5 3.6128187587725E+40

Nth Root

y√n
2√n 11370.632348291
3√n 505.65745171134
4√n 106.63316720557
5√n 41.909631962423

Divisors of 129291280

1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 368, 460, 464, 580, 667, 920, 1160, 1334, 1840, 2320, 2423, 2668, 3335, 4846, 5336, 6670, 9692, 10672, 12115, 13340, 19384, 24230, 26680, 38768, 48460, 53360, 55729, 70267, 96920, 111458, 140534, 193840, 222916, 278645, 281068, 351335, 445832, 557290, 562136, 702670, 891664, 1114580, 1124272, 1405340, 1616141, 2229160, 2810680, 3232282, 4458320, 5621360, 6464564, 8080705, 12929128, 16161410, 25858256, 32322820, 64645640, 129291280

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129291279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129291280 can be divided by 80 positive divisors. The sum of these divisors (counting 129291280) is 1, the average is 0.0125.

Base conversion 129291280

Base System Value
2 Binary 111101101001101010000010000
3 Ternary 100000021200021221
4 Quaternary 13231031100100
5 Quinary 231044310110
6 Senary 20455054424
8 Octal 755152020
10 Decimal 129291280
12 Duodecimal 37371414
16 Hexadecimal 7b4d410
20 Vigesimal 2081840
36 Base36 24z5sg

Cryptographic Hash Functions

md5 226c6ddabc244b4756f5c945472141bf
sha1 df83d544d27c6c84a2b7f0ad87156a368e21fb52
sha256 e85686c3dc6d66a622b03bef12bde0e6bee30d08af9f1749b343052cfc1f9861
sha512 47d7e93be7790c085b0b46695e0ed869725504217c85cf2701e7a83ff496bacd83cecc95692d470eeece27aaa4a6fb4a3a0e078dc7e6ef03c46c44568bda370c
ripemd-160 f0cb787e186e55bda50f42f3314f5c224445bf50

129291280 as geometric shapes

Circle

Radius = n
Diameter 258582560
Circumference 812361070.84244
Area 5.2515601335695E+16

Sphere

Radius = n
Volume 9.0530790888823E+24
Surface area 2.1006240534278E+17
Circumference 812361070.84244

Square

Length = n
Perimeter 517165120
Area 16716235084038400
Diagonal 182845481.67258

Cube

Length = n
Surface area 100297410504230400
Volume 2.1612634307962E+24
Space diagonal 223939065.93561

Equilateral Triangle

Length = n
Perimeter 387873840
Area 7.238342119205E+15
Altitude 111969532.96781

Triangular Pyramid

Length = n
Surface area 7.238342119205E+15
Volume 2.5470733797442E+23
Height 60948493.890859