129778972 (number)

129778972 is an even 9-digits composite number following 129778971 and preceding 129778973. In scientific notation, it is written as 1.29778972 × 10^8. The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors. There are 61898496 positive integers (up to 129778972) that are relatively prime to 129778972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29778972 × 10^8
Engineering notation 1.29778972 × 10^6

Prime Factorization of 129778972

Prime Factorization 2 × 2 × 23 × 409 × 3449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64889486
Product of the distinct prime numbers

The prime factorization of 129778972 is 2 × 2 × 23 × 409 × 3449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 9, 69, 441, 35, 8637, 6916, 34422, 72000, 275413, 446497, 727804, 5695717, 91634632, 22228965, 406709087, 740048664, 9014516932, 1916697115

Basic calculations (n = 129778972)

Multiplication

n×y
n×2 259557944
n×3 389336916
n×4 519115888
n×5 648894860

Division

n÷y
n÷2 64889486
n÷3 43259657.333333
n÷3 32444743
n÷5 25955794.4

Exponentiation

ny
n2 16842581573376784
n3 2.185812922419E+24
n4 2.8367255405585E+32
n5 3.6814732449983E+40

Nth Root

y√n
2√n 11392.057408563
3√n 506.29244084572
4√n 106.73358144728
5√n 41.941201335324

Divisors of 129778972

1, 2, 4, 23, 46, 92, 409, 818, 1636, 3449, 6898, 9407, 13796, 18814, 37628, 79327, 158654, 317308, 1410641, 2821282, 5642564, 32444743, 64889486, 129778972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129778971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129778972 can be divided by 24 positive divisors. The sum of these divisors (counting 129778972) is 1, the average is 0.041666666666667.

Base conversion 129778972

Base System Value
2 Binary 111101111000100010100011100
3 Ternary 100001012110021121
4 Quaternary 13233010110130
5 Quinary 231210411342
6 Senary 20513340324
8 Octal 757042434
10 Decimal 129778972
12 Duodecimal 375676a4
16 Hexadecimal 7bc451c
20 Vigesimal 20b278c
36 Base36 259m3g

Cryptographic Hash Functions

md5 856e409cb41a226a4a37e6d1c0ddecde
sha1 35a712a65ed396d8d019f708190e592d972c68ba
sha256 9bebcf0ce21b4f93e754fabc729169dbf197e193ceb2ef714603fff5efe01bf3
sha512 ecbd41fde90732948f5ec49eeb39650622efe5eceea213583c75fab1183250953f44203a6679cbcbfa7dd8e60cba2034b74f97313d5275c80299847762750812
ripemd-160 61f096e2224c96d7b6de13aa77e74fc4289c330b

129778972 as geometric shapes

Circle

Radius = n
Diameter 259557944
Circumference 815425330.05127
Area 5.2912530538407E+16

Sphere

Radius = n
Volume 9.1559117589241E+24
Surface area 2.1165012215363E+17
Circumference 815425330.05127

Square

Length = n
Perimeter 519115888
Area 16842581573376784
Diagonal 183535182.31324

Cube

Length = n
Surface area 101055489440260704
Volume 2.185812922419E+24
Space diagonal 224783773.25806

Equilateral Triangle

Length = n
Perimeter 389336916
Area 7.293051753928E+15
Altitude 112391886.62903

Triangular Pyramid

Length = n
Surface area 7.293051753928E+15
Volume 2.5760052330794E+23
Height 61178394.104413