128216081 (number)

128216081 is an odd 9-digits composite number following 128216080 and preceding 128216082. In scientific notation, it is written as 1.28216081 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 109837728 positive integers (up to 128216081) that are relatively prime to 128216081.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred sixteen thousand eighty-one

Notation

Scientific notation 1.28216081 × 10^8
Engineering notation 1.28216081 × 10^6

Prime Factorization of 128216081

Prime Factorization 7 × 8009 × 2287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128216081
Product of the distinct prime numbers

The prime factorization of 128216081 is 7 × 8009 × 2287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 60, 78, 74, 660, 8998, 125, 19462, 42828, 620416, 457003, 4625362, 9777599, 53959438, 17657352, 796550872, 683345215, 2776788283, 9668883047

Basic calculations (n = 128216081)

Multiplication

n×y
n×2 256432162
n×3 384648243
n×4 512864324
n×5 641080405

Division

n÷y
n÷2 64108040.5
n÷3 42738693.666667
n÷3 32054020.25
n÷5 25643216.2

Exponentiation

ny
n2 16439363426998561
n3 2.1077907527445E+24
n4 2.7025266988494E+32
n5 3.4650738212433E+40

Nth Root

y√n
2√n 11323.253993442
3√n 504.25184907113
4√n 106.41077949833
5√n 41.83969400527

Divisors of 128216081

1, 7, 2287, 8009, 16009, 56063, 18316583, 128216081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128216080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128216081 can be divided by 8 positive divisors. The sum of these divisors (counting 128216081) is 1, the average is 0.125.

Base conversion 128216081

Base System Value
2 Binary 111101001000110110000010001
3 Ternary 22221021001101202
4 Quaternary 13221012300101
5 Quinary 230310403311
6 Senary 20420040545
8 Octal 751066021
10 Decimal 128216081
12 Duodecimal 36b33155
16 Hexadecimal 7a46c11
20 Vigesimal 2017041
36 Base36 24c45t

Cryptographic Hash Functions

md5 57218ee601c5bb004d40a6da43e3e4b8
sha1 48b85cddea2f08b1796c5a514ef975f145027edc
sha256 1eb603463c0835d6307d5d40fe8899cf9c54ae90b92f47d7503f9a1117ebf6e7
sha512 14db29024170bef807f681b366d9605076bd06168dda264302fdb9a8e604cbe2134d92d17f54db94283fbb0d5ac290c0f4ed9942b8d2fc40461ba1c7cca94d13
ripemd-160 778f80a1b0abf2a2f227f24db039627cd8f75d6a

128216081 as geometric shapes

Circle

Radius = n
Diameter 256432162
Circumference 805605396.28335
Area 5.1645783371951E+16

Sphere

Radius = n
Volume 8.8290932588354E+24
Surface area 2.0658313348781E+17
Circumference 805605396.28335

Square

Length = n
Perimeter 512864324
Area 16439363426998561
Diagonal 181324920.66453

Cube

Length = n
Surface area 98636180561991366
Volume 2.1077907527445E+24
Space diagonal 222076766.63937

Equilateral Triangle

Length = n
Perimeter 384648243
Area 7.1184531749128E+15
Altitude 111038383.31968

Triangular Pyramid

Length = n
Surface area 7.1184531749128E+15
Volume 2.4840552243132E+23
Height 60441640.221509