128702920 (number)

128702920 is an even 9-digits composite number following 128702919 and preceding 128702921. In scientific notation, it is written as 1.28702920 × 10^8. The sum of its digits is 31. It has a total of 7 prime factors and 64 positive divisors. There are 47410176 positive integers (up to 128702920) that are relatively prime to 128702920.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million seven hundred two thousand nine hundred twenty

Notation

Scientific notation 1.28702920 × 10^8
Engineering notation 1.28702920 × 10^6

Prime Factorization of 128702920

Prime Factorization 2 × 2 × 2 × 5 × 17 × 47 × 4027

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32175730
Product of the distinct prime numbers

The prime factorization of 128702920 is 2 × 2 × 2 × 5 × 17 × 47 × 4027. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 5, 71, 84, 925, 67, 1552, 9628, 36952, 8436, 413482, 224558, 9215734, 3189560, 65632677, 87045134, 502521873, 619313026, 1150363943, 6926227357

Basic calculations (n = 128702920)

Multiplication

n×y
n×2 257405840
n×3 386108760
n×4 514811680
n×5 643514600

Division

n÷y
n÷2 64351460
n÷3 42900973.333333
n÷3 32175730
n÷5 25740584

Exponentiation

ny
n2 16564441616526400
n3 2.1318920042165E+24
n4 2.7438072606731E+32
n5 3.5313600636583E+40

Nth Root

y√n
2√n 11344.730935549
3√n 504.88926108257
4√n 106.51164694788
5√n 41.871419086915

Divisors of 128702920

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 4027, 6392, 7990, 8054, 15980, 16108, 20135, 31960, 32216, 40270, 68459, 80540, 136918, 161080, 189269, 273836, 342295, 378538, 547672, 684590, 757076, 946345, 1369180, 1514152, 1892690, 2738360, 3217573, 3785380, 6435146, 7570760, 12870292, 16087865, 25740584, 32175730, 64351460, 128702920

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128702919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128702920 can be divided by 64 positive divisors. The sum of these divisors (counting 128702920) is 1, the average is 0.015625.

Base conversion 128702920

Base System Value
2 Binary 111101010111101100111001000
3 Ternary 22222011210012211
4 Quaternary 13222331213020
5 Quinary 230421443140
6 Senary 20434314504
8 Octal 752754710
10 Decimal 128702920
12 Duodecimal 37128a34
16 Hexadecimal 7abd9c8
20 Vigesimal 2047h60
36 Base36 24mjt4

Cryptographic Hash Functions

md5 3f94361b06e65e23a9adff66d27cb076
sha1 6d4be1436c4c61601e431f92e34618a0a34cb9d2
sha256 2bba203caa34d8171130a508647831d9a9557c0ddac9258a81323c4baadfcaff
sha512 a0a6ccadc9d5b00afcd94b6e02f2bb89049be1a7b7c2b51c7942c910dc67c9aab9153b95a02a2e51b69f724ec7cde67a05365249ab9e7c75cd1c15bd056d1fec
ripemd-160 b1f82310fc8b2d78c4bd98fe8c7450defb885256

128702920 as geometric shapes

Circle

Radius = n
Diameter 257405840
Circumference 808664295.93511
Area 5.2038728093296E+16

Sphere

Radius = n
Volume 8.9300483449244E+24
Surface area 2.0815491237319E+17
Circumference 808664295.93511

Square

Length = n
Perimeter 514811680
Area 16564441616526400
Diagonal 182013414.98102

Cube

Length = n
Surface area 99386649699158400
Volume 2.1318920042165E+24
Space diagonal 222919996.52247

Equilateral Triangle

Length = n
Perimeter 386108760
Area 7.172613619708E+15
Altitude 111459998.26124

Triangular Pyramid

Length = n
Surface area 7.172613619708E+15
Volume 2.5124588215647E+23
Height 60671138.327006