128869138 (number)

128869138 is an even 9-digits composite number following 128869137 and preceding 128869139. In scientific notation, it is written as 1.28869138 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 61221600 positive integers (up to 128869138) that are relatively prime to 128869138.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred sixty-nine thousand one hundred thirty-eight

Notation

Scientific notation 1.28869138 × 10^8
Engineering notation 1.28869138 × 10^6

Prime Factorization of 128869138

Prime Factorization 2 × 151 × 23 × 18553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128869138
Product of the distinct prime numbers

The prime factorization of 128869138 is 2 × 151 × 23 × 18553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128869138)

Multiplication

n×y
n×2 257738276
n×3 386607414
n×4 515476552
n×5 644345690

Division

n÷y
n÷2 64434569
n÷3 42956379.333333
n÷3 32217284.5
n÷5 25773827.6

Exponentiation

ny
n2 16607254728863044
n3 2.140162601455E+24
n4 2.7580090962934E+32
n5 3.5542225483549E+40

Nth Root

y√n
2√n 11352.054351526
3√n 505.10652002591
4√n 106.54601987651
5√n 41.882228773185

Divisors of 128869138

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 -128869137
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 128869138 can be divided by 16 positive divisors. The sum of these divisors (counting 128869138) is 1, the average is 0.0625.

Base conversion 128869138

Base System Value
2 Binary 111101011100110001100010010
3 Ternary 22222111020020001
4 Quaternary 13223212030102
5 Quinary 230442303023
6 Senary 20442040214
8 Octal 753461422
10 Decimal 128869138
12 Duodecimal 371a906a
16 Hexadecimal 7ae6312
20 Vigesimal 2058cgi
36 Base36 24q42a

Cryptographic Hash Functions

md5 4714c91bcf5ba0339e9f59d359386f64
sha1 99589611ad4843da653d2e94d37b27e17d72d7f6
sha256 1a8148f58d1ffdc732051ba33b6525e2a12397c363deb50c7a1edd39bf39c3d9
sha512 f016ae0eb539e35933e6c37c50f5a6aac4678333df82e73db142579a17bf1131c165c4cf4dc2d5a40080772c3d461bd4443eaa861f653c7a10105fde1dd3dc8c
ripemd-160 b9c7daf46ac1a2576f0bd5e6716819504812fdcb

128869138 as geometric shapes

Circle

Radius = n
Diameter 257738276
Circumference 809708674.4305
Area 5.217322945249E+16

Sphere

Radius = n
Volume 8.9646921416249E+24
Surface area 2.0869291780996E+17
Circumference 809708674.4305

Square

Length = n
Perimeter 515476552
Area 16607254728863044
Diagonal 182248482.73093

Cube

Length = n
Surface area 99643528373178264
Volume 2.140162601455E+24
Space diagonal 223207894.54361

Equilateral Triangle

Length = n
Perimeter 386607414
Area 7.1911522411573E+15
Altitude 111603947.2718

Triangular Pyramid

Length = n
Surface area 7.1911522411573E+15
Volume 2.5222058138845E+23
Height 60749494.243643