129270987 (number)

129270987 is an odd 9-digits composite number following 129270986 and preceding 129270988. In scientific notation, it is written as 1.29270987 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 85211808 positive integers (up to 129270987) that are relatively prime to 129270987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29270987 × 10^8
Engineering notation 1.29270987 × 10^6

Prime Factorization of 129270987

Prime Factorization 9 × 89 × 161387

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129270987
Product of the distinct prime numbers

The prime factorization of 129270987 is 9 × 89 × 161387. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 42, 50, 134, 946, 3525, 3470, 3932, 40732, 335675, 940436, 860932, 4209890, 54678433, 66245443, 455999703, 926978564, 8757858, 1589564369

Basic calculations (n = 129270987)

Multiplication

n×y
n×2 258541974
n×3 387812961
n×4 517083948
n×5 646354935

Division

n÷y
n÷2 64635493.5
n÷3 43090329
n÷3 32317746.75
n÷5 25854197.4

Exponentiation

ny
n2 16710988079954169
n3 2.1602459228409E+24
n4 2.7925712260837E+32
n5 3.6099843866364E+40

Nth Root

y√n
2√n 11369.739970641
3√n 505.63099505839
4√n 106.62898278911
5√n 41.908316288912

Divisors of 129270987

1, 9, 89, 801, 161387, 1452483, 14363443, 129270987

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 -129270986
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 129270987 can be divided by 8 positive divisors. The sum of these divisors (counting 129270987) is 1, the average is 0.125.

Base conversion 129270987

Base System Value
2 Binary 111101101001000010011001011
3 Ternary 100000020122110100
4 Quaternary 13231020103023
5 Quinary 231043132422
6 Senary 20454420443
8 Octal 755102313
10 Decimal 129270987
12 Duodecimal 37361723
16 Hexadecimal 7b484cb
20 Vigesimal 207ih97
36 Base36 24yq4r

Cryptographic Hash Functions

md5 279eeffaad014c73dfa3327e974ca648
sha1 d79578cc8f6ba402864263672ebbafc81379083c
sha256 dcf82a90ab6016bfdf8c2972535929b18f52feca85989041d09bd04db5398d06
sha512 cb412aa73ff3005a2a9979a3feb56de45de52b43bd368dcf4e3a3dc0e57d40f9ff9b784d82d5b1ab75b5c12ce669a187a410189a9062047229edde31bf3a1f4f
ripemd-160 63ddd058f4ad8a1842c7083ab39cad9a86ec41bc

129270987 as geometric shapes

Circle

Radius = n
Diameter 258541974
Circumference 812233566.163
Area 5.2499117386211E+16

Sphere

Radius = n
Volume 9.0488169615257E+24
Surface area 2.0999646954484E+17
Circumference 812233566.163

Square

Length = n
Perimeter 517083948
Area 16710988079954169
Diagonal 182816783.03676

Cube

Length = n
Surface area 100265928479725014
Volume 2.1602459228409E+24
Space diagonal 223903917.42858

Equilateral Triangle

Length = n
Perimeter 387812961
Area 7.2360700997896E+15
Altitude 111951958.71429

Triangular Pyramid

Length = n
Surface area 7.2360700997896E+15
Volume 2.545874235119E+23
Height 60938927.678919