129171928 (number)

129171928 is an even 9-digits composite number following 129171927 and preceding 129171929. In scientific notation, it is written as 1.29171928 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors. There are 64519200 positive integers (up to 129171928) that are relatively prime to 129171928.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29171928 × 10^8
Engineering notation 1.29171928 × 10^6

Prime Factorization of 129171928

Prime Factorization 2 × 2 × 2 × 1031 × 15661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32292982
Product of the distinct prime numbers

The prime factorization of 129171928 is 2 × 2 × 2 × 1031 × 15661. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 81, 82, 857, 475, 7049, 216, 86631, 66457, 85434, 804636, 175282, 4638730, 70134093, 64080733, 431200309, 74427813, 5174954587, 9437989296

Basic calculations (n = 129171928)

Multiplication

n×y
n×2 258343856
n×3 387515784
n×4 516687712
n×5 645859640

Division

n÷y
n÷2 64585964
n÷3 43057309.333333
n÷3 32292982
n÷5 25834385.6

Exponentiation

ny
n2 16685386983237184
n3 2.1552836060509E+24
n4 2.7840213878038E+32
n5 3.5961741025585E+40

Nth Root

y√n
2√n 11365.382879604
3√n 505.50180881394
4√n 106.60854974909
5√n 41.901891538775

Divisors of 129171928

1, 2, 4, 8, 1031, 2062, 4124, 8248, 15661, 31322, 62644, 125288, 16146491, 32292982, 64585964, 129171928

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129171927
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129171928 can be divided by 16 positive divisors. The sum of these divisors (counting 129171928) is 1, the average is 0.0625.

Base conversion 129171928

Base System Value
2 Binary 111101100110000000111011000
3 Ternary 100000001121120111
4 Quaternary 13230300013120
5 Quinary 231032000203
6 Senary 20452334104
8 Octal 754600730
10 Decimal 129171928
12 Duodecimal 37314334
16 Hexadecimal 7b301d8
20 Vigesimal 20769g8
36 Base36 24wlp4

Cryptographic Hash Functions

md5 4e6c0fbf279f0860c634c2c11f59ad17
sha1 5f43198eee805b9157d990001f6288f2ce4c1d0b
sha256 b907f92564bbbb11ed80e560a60810819320f98be7528369bd37f5a6a97ef3e6
sha512 4f9e04f4a93cbd853dc06a201eb63cb2e8031516b5ae7b891792bf230048d1eae151b1949e406f86b5a59a8a73d54044dac2a17087be9513ffaad2dfe2d32a75
ripemd-160 6d90d6833a5a5bd536be2a6cc9785cca8e0fcef1

129171928 as geometric shapes

Circle

Radius = n
Diameter 258343856
Circumference 811611160.10966
Area 5.2418689168841E+16

Sphere

Radius = n
Volume 9.0280308575625E+24
Surface area 2.0967475667536E+17
Circumference 811611160.10966

Square

Length = n
Perimeter 516687712
Area 16685386983237184
Diagonal 182676692.45548

Cube

Length = n
Surface area 100112321899423104
Volume 2.1552836060509E+24
Space diagonal 223732342.20763

Equilateral Triangle

Length = n
Perimeter 387515784
Area 7.2249844997288E+15
Altitude 111866171.10381

Triangular Pyramid

Length = n
Surface area 7.2249844997288E+15
Volume 2.5400260886979E+23
Height 60892230.818494