128989837 (number)

128989837 is an odd 9-digits composite number following 128989836 and preceding 128989838. In scientific notation, it is written as 1.28989837 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 127806336 positive integers (up to 128989837) that are relatively prime to 128989837.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million nine hundred eighty-nine thousand eight hundred thirty-seven

Notation

Scientific notation 1.28989837 × 10^8
Engineering notation 1.28989837 × 10^6

Prime Factorization of 128989837

Prime Factorization 109 × 1183393

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128989837
Product of the distinct prime numbers

The prime factorization of 128989837 is 109 × 1183393. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128989837)

Multiplication

n×y
n×2 257979674
n×3 386969511
n×4 515959348
n×5 644949185

Division

n÷y
n÷2 64494918.5
n÷3 42996612.333333
n÷3 32247459.25
n÷5 25797967.4

Exponentiation

ny
n2 16638378049286569
n3 2.1461816725219E+24
n4 2.7683562411098E+32
n5 3.5708982029869E+40

Nth Root

y√n
2√n 11357.36928166
3√n 505.26416529081
4√n 106.57095890373
5√n 41.890071225476

Divisors of 128989837

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128989836
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128989837 can be divided by 4 positive divisors. The sum of these divisors (counting 128989837) is 1, the average is 0.25.

Base conversion 128989837

Base System Value
2 Binary 111101100000011101010001101
3 Ternary 22222201100210101
4 Quaternary 13230003222031
5 Quinary 231010133322
6 Senary 20444411101
8 Octal 754035215
10 Decimal 128989837
12 Duodecimal 37246a91
16 Hexadecimal 7b03a8d
20 Vigesimal 2063ebh
36 Base36 24sp71

Cryptographic Hash Functions

md5 8027d9a7e1fa30730f23f6ac3db09329
sha1 35ee03e4230257bcbf2c5b619cdfbafd8345594b
sha256 822a06c5a094ef76b05113af3b4c1e42bd0009cf9118f42785450aa6c00a0341
sha512 86dd1a229d69eacd7511b6674a47281f69160fe274631eb811811e2964e2c52002e9f69026c81765c78bbce5dbe9e6ef75c81d377001c1c29a2398b048773db1
ripemd-160 2afdcd19688f87179d219ef2c50a465ad9e235de

128989837 as geometric shapes

Circle

Radius = n
Diameter 257979674
Circumference 810467048.61389
Area 5.2271006247288E+16

Sphere

Radius = n
Volume 8.9899047675516E+24
Surface area 2.0908402498915E+17
Circumference 810467048.61389

Square

Length = n
Perimeter 515959348
Area 16638378049286569
Diagonal 182419176.89369

Cube

Length = n
Surface area 99830268295719414
Volume 2.1461816725219E+24
Space diagonal 223416951.34403

Equilateral Triangle

Length = n
Perimeter 386969511
Area 7.2046290342258E+15
Altitude 111708475.67201

Triangular Pyramid

Length = n
Surface area 7.2046290342258E+15
Volume 2.5292993571641E+23
Height 60806392.297898