128840397 (number)

128840397 is an odd 9-digits composite number following 128840396 and preceding 128840398. In scientific notation, it is written as 1.28840397 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 72523440 positive integers (up to 128840397) that are relatively prime to 128840397.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred forty thousand three hundred ninety-seven

Notation

Scientific notation 1.28840397 × 10^8
Engineering notation 1.28840397 × 10^6

Prime Factorization of 128840397

Prime Factorization 3 × 7 × 67 × 91571

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128840397
Product of the distinct prime numbers

The prime factorization of 128840397 is 3 × 7 × 67 × 91571. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 32, 34, 767, 861, 5218, 8558, 65673, 54429, 202881, 461940, 7454199, 481812, 47721363, 68723279, 448127997, 787259161, 1640842814, 1712652064

Basic calculations (n = 128840397)

Multiplication

n×y
n×2 257680794
n×3 386521191
n×4 515361588
n×5 644201985

Division

n÷y
n÷2 64420198.5
n÷3 42946799
n÷3 32210099.25
n÷5 25768079.4

Exponentiation

ny
n2 16599847899117609
n3 2.1387309934619E+24
n4 2.7555495027384E+32
n5 3.5502609188597E+40

Nth Root

y√n
2√n 11350.788386716
3√n 505.06896682507
4√n 106.54007878125
5√n 41.880360452258

Divisors of 128840397

1, 3, 7, 21, 67, 201, 469, 1407, 91571, 274713, 640997, 1922991, 6135257, 18405771, 42946799, 128840397

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 -128840396
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 128840397 can be divided by 16 positive divisors. The sum of these divisors (counting 128840397) is 1, the average is 0.0625.

Base conversion 128840397

Base System Value
2 Binary 111101011011111001011001101
3 Ternary 22222102202210120
4 Quaternary 13223133023031
5 Quinary 230440343042
6 Senary 20441255153
8 Octal 753371315
10 Decimal 128840397
12 Duodecimal 371944b9
16 Hexadecimal 7adf2cd
20 Vigesimal 20550jh
36 Base36 24phvx

Cryptographic Hash Functions

md5 8f5101e516738a04f8117bd9d248db2c
sha1 7dd78b5aef8bf28f1dec0dda081f5286efdef32d
sha256 3fce2e47ea5b24583603ca9c14a815845005ca75ed9a6d40df07c253f39af680
sha512 3154467d414c2f4f6ee75253a62a13c3c6e9963244b8121e1579fee34a57c087cf00caa4d30eb56171aab7671ffb329dc9a2788ec75cc25cfa3d049dfbb2694e
ripemd-160 b9f37bca6aa9b647ebe188c13b0b936646987610

128840397 as geometric shapes

Circle

Radius = n
Diameter 257680794
Circumference 809528089.40158
Area 5.2149960210576E+16

Sphere

Radius = n
Volume 8.9586954360864E+24
Surface area 2.085998408423E+17
Circumference 809528089.40158

Square

Length = n
Perimeter 515361588
Area 16599847899117609
Diagonal 182207836.81893

Cube

Length = n
Surface area 99599087394705654
Volume 2.1387309934619E+24
Space diagonal 223158113.67134

Equilateral Triangle

Length = n
Perimeter 386521191
Area 7.1879449897968E+15
Altitude 111579056.83567

Triangular Pyramid

Length = n
Surface area 7.1879449897968E+15
Volume 2.5205186476846E+23
Height 60735945.606311