128655215 (number)

128655215 is an odd 9-digits composite number following 128655214 and preceding 128655216. In scientific notation, it is written as 1.28655215 × 10^8. The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors. There are 88894080 positive integers (up to 128655215) that are relatively prime to 128655215.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred fifty-five thousand two hundred fifteen

Notation

Scientific notation 1.28655215 × 10^8
Engineering notation 1.28655215 × 10^6

Prime Factorization of 128655215

Prime Factorization 5 × 13 × 23 × 47 × 1831

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128655215
Product of the distinct prime numbers

The prime factorization of 128655215 is 5 × 13 × 23 × 47 × 1831. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 52, 6, 620, 381, 2889, 5521, 50319, 10236, 344352, 574521, 6029467, 8988930, 50885104, 52330188, 875919704, 797596403, 261994124, 3488280045

Basic calculations (n = 128655215)

Multiplication

n×y
n×2 257310430
n×3 385965645
n×4 514620860
n×5 643276075

Division

n÷y
n÷2 64327607.5
n÷3 42885071.666667
n÷3 32163803.75
n÷5 25731043

Exponentiation

ny
n2 16552164346696225
n3 2.1295222627395E+24
n4 2.7397414456004E+32
n5 3.5248202472813E+40

Nth Root

y√n
2√n 11342.628222771
3√n 504.82687265428
4√n 106.50177567896
5√n 41.868314616143

Divisors of 128655215

1, 5, 13, 23, 47, 65, 115, 235, 299, 611, 1081, 1495, 1831, 3055, 5405, 9155, 14053, 23803, 42113, 70265, 86057, 119015, 210565, 430285, 547469, 1118741, 1979311, 2737345, 5593705, 9896555, 25731043, 128655215

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128655214
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128655215 can be divided by 32 positive divisors. The sum of these divisors (counting 128655215) is 1, the average is 0.03125.

Base conversion 128655215

Base System Value
2 Binary 111101010110001111101101111
3 Ternary 22222002100202222
4 Quaternary 13222301331233
5 Quinary 230413431330
6 Senary 20433305555
8 Octal 752617557
10 Decimal 128655215
12 Duodecimal 371052bb
16 Hexadecimal 7ab1f6f
20 Vigesimal 2041i0f
36 Base36 24lizz

Cryptographic Hash Functions

md5 97c7fa16ca14334dd570abd0b9950a28
sha1 4cf7e7bc8f1557cb7c748022b08528208fabb7aa
sha256 70bdb736515d06fd390ce1178a23e7954a8a1c16f22199d3eae076b9e8788b09
sha512 833738d862a1ca27075a8d4a918d1ea23cf5ff2fb11409b48a707039d33e4e6e5fc5680a9ceb8506469ef495235177633f5ac3cd0bc39cb9a963309d93a61cd4
ripemd-160 1ceed11c3fcab7f5481ec5144a421cb3c4e701ba

128655215 as geometric shapes

Circle

Radius = n
Diameter 257310430
Circumference 808364556.58003
Area 5.2000157912592E+16

Sphere

Radius = n
Volume 8.9201219950379E+24
Surface area 2.0800063165037E+17
Circumference 808364556.58003

Square

Length = n
Perimeter 514620860
Area 16552164346696225
Diagonal 181945949.92303

Cube

Length = n
Surface area 99312986080177350
Volume 2.1295222627395E+24
Space diagonal 222837369.0387

Equilateral Triangle

Length = n
Perimeter 385965645
Area 7.167297405927E+15
Altitude 111418684.51935

Triangular Pyramid

Length = n
Surface area 7.167297405927E+15
Volume 2.5096660544514E+23
Height 60648649.974342