128871408 (number)

128871408 is an even 9-digits composite number following 128871407 and preceding 128871409. In scientific notation, it is written as 1.28871408 × 10^8. The sum of its digits is 39. It has a total of 8 prime factors and 80 positive divisors. There are 41763072 positive integers (up to 128871408) that are relatively prime to 128871408.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28871408 × 10^8
Engineering notation 1.28871408 × 10^6

Prime Factorization of 128871408

Prime Factorization 2 × 2 × 2 × 2 × 3 × 53 × 179 × 283

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 16108926
Product of the distinct prime numbers

The prime factorization of 128871408 is 2 × 2 × 2 × 2 × 3 × 53 × 179 × 283. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 6, 66, 27, 741, 524, 8951, 2501, 32253, 50940, 955060, 751886, 7400845, 7936702, 35870213, 36845374, 496252752, 374374231, 8683687731, 7501623486

Basic calculations (n = 128871408)

Multiplication

n×y
n×2 257742816
n×3 386614224
n×4 515485632
n×5 644357040

Division

n÷y
n÷2 64435704
n÷3 42957136
n÷3 32217852
n÷5 25774281.6

Exponentiation

ny
n2 16607839799902464
n3 2.1402756988519E+24
n4 2.7582034281922E+32
n5 3.5545355934156E+40

Nth Root

y√n
2√n 11352.154332989
3√n 505.10948578659
4√n 106.54648906927
5√n 41.882376321296

Divisors of 128871408

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 179, 212, 283, 318, 358, 424, 537, 566, 636, 716, 848, 849, 1074, 1132, 1272, 1432, 1698, 2148, 2264, 2544, 2864, 3396, 4296, 4528, 6792, 8592, 9487, 13584, 14999, 18974, 28461, 29998, 37948, 44997, 50657, 56922, 59996, 75896, 89994, 101314, 113844, 119992, 151792, 151971, 179988, 202628, 227688, 239984, 303942, 359976, 405256, 455376, 607884, 719952, 810512, 1215768, 2431536, 2684821, 5369642, 8054463, 10739284, 16108926, 21478568, 32217852, 42957136, 64435704, 128871408

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 -128871407
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 128871408 can be divided by 80 positive divisors. The sum of these divisors (counting 128871408) is 1, the average is 0.0125.

Base conversion 128871408

Base System Value
2 Binary 111101011100110101111110000
3 Ternary 22222111100100010
4 Quaternary 13223212233300
5 Quinary 230442341113
6 Senary 20442054520
8 Octal 753465760
10 Decimal 128871408
12 Duodecimal 371aa440
16 Hexadecimal 7ae6bf0
20 Vigesimal 2058ia8
36 Base36 24q5tc

Cryptographic Hash Functions

md5 30bd54dc7134655fa634eb128b7d5e47
sha1 38b6c9fcbc7a2318f52d5b259f026a6d7487e63f
sha256 6445ee687f048d7c618a2703de9f987397235751a8ba84d35158977dfe542448
sha512 f14104b6211480b13a76b2ea00f1a2ed1bb88567fcb5772b7f1e70097d745cb8b81cd3c7b60304e1183200487865caa33dd1c2b1bd0cdd3663df63503ab3dd07
ripemd-160 4afbf30a64d2d05f8f6d24715835677087fb2662

128871408 as geometric shapes

Circle

Radius = n
Diameter 257742816
Circumference 809722937.26115
Area 5.217506750737E+16

Sphere

Radius = n
Volume 8.9651658828931E+24
Surface area 2.0870027002948E+17
Circumference 809722937.26115

Square

Length = n
Perimeter 515485632
Area 16607839799902464
Diagonal 182251692.99572

Cube

Length = n
Surface area 99647038799414784
Volume 2.1402756988519E+24
Space diagonal 223211826.29894

Equilateral Triangle

Length = n
Perimeter 386614224
Area 7.1914055843489E+15
Altitude 111605913.14947

Triangular Pyramid

Length = n
Surface area 7.1914055843489E+15
Volume 2.5223391004449E+23
Height 60750564.331906