128691760 (number)

128691760 is an even 9-digits composite number following 128691759 and preceding 128691761. In scientific notation, it is written as 1.28691760 × 10^8. The sum of its digits is 40. It has a total of 8 prime factors and 80 positive divisors. There are 50077440 positive integers (up to 128691760) that are relatively prime to 128691760.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-one thousand seven hundred sixty

Notation

Scientific notation 1.28691760 × 10^8
Engineering notation 1.28691760 × 10^6

Prime Factorization of 128691760

Prime Factorization 2 × 2 × 2 × 2 × 5 × 71 × 163 × 139

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 16086470
Product of the distinct prime numbers

The prime factorization of 128691760 is 2 × 2 × 2 × 2 × 5 × 71 × 163 × 139. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 8, 60, 59, 220, 685, 9594, 4510, 55874, 40115, 982909, 792354, 6199720, 6845090, 65036648, 9476222, 12396841, 405473660, 9839323239, 1073787401

Basic calculations (n = 128691760)

Multiplication

n×y
n×2 257383520
n×3 386075280
n×4 514767040
n×5 643458800

Division

n÷y
n÷2 64345880
n÷3 42897253.333333
n÷3 32172940
n÷5 25738352

Exponentiation

ny
n2 16561569091897600
n3 2.1313374747979E+24
n4 2.742855707857E+32
n5 3.5298292847016E+40

Nth Root

y√n
2√n 11344.239066592
3√n 504.8746674561
4√n 106.50933793143
5√n 41.870692916529

Divisors of 128691760

1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 139, 142, 163, 278, 284, 326, 355, 556, 568, 652, 695, 710, 815, 1112, 1136, 1304, 1390, 1420, 1630, 2224, 2608, 2780, 2840, 3260, 5560, 5680, 6520, 9869, 11120, 11573, 13040, 19738, 22657, 23146, 39476, 45314, 46292, 49345, 57865, 78952, 90628, 92584, 98690, 113285, 115730, 157904, 181256, 185168, 197380, 226570, 231460, 362512, 394760, 453140, 462920, 789520, 906280, 925840, 1608647, 1812560, 3217294, 6434588, 8043235, 12869176, 16086470, 25738352, 32172940, 64345880, 128691760

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128691759
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128691760 can be divided by 80 positive divisors. The sum of these divisors (counting 128691760) is 1, the average is 0.0125.

Base conversion 128691760

Base System Value
2 Binary 111101010111010111000110000
3 Ternary 22222011012220111
4 Quaternary 13222322320300
5 Quinary 230421114020
6 Senary 20434151104
8 Octal 752727060
10 Decimal 128691760
12 Duodecimal 37122494
16 Hexadecimal 7abae30
20 Vigesimal 2046980
36 Base36 24mb74

Cryptographic Hash Functions

md5 caad4c3a8e3f0ce603616ed2357c16cb
sha1 1b4ed28c51e2ec540ba276ea7f8a9cb3a136f101
sha256 a5e3a566e708b41cfaf21ced5546afe80f1acd7165607e9e34d08c68b1da9de3
sha512 8f0dcd9b95cd4571302f1c16c2f6102cba5eb07d20741485b89ce8eb61ac72c68c34d25f7a187d62b913745cdb307f0620ef211130823bedbf411a38138cbaf0
ripemd-160 05a998935d1c5ee4438677b7130ea5ccdbd20083

128691760 as geometric shapes

Circle

Radius = n
Diameter 257383520
Circumference 808594175.58708
Area 5.2029703791025E+16

Sphere

Radius = n
Volume 8.9277255375276E+24
Surface area 2.081188151641E+17
Circumference 808594175.58708

Square

Length = n
Perimeter 514767040
Area 16561569091897600
Diagonal 181997632.35766

Cube

Length = n
Surface area 99369414551385600
Volume 2.1313374747979E+24
Space diagonal 222900666.83546

Equilateral Triangle

Length = n
Perimeter 386075280
Area 7.1713697800572E+15
Altitude 111450333.41773

Triangular Pyramid

Length = n
Surface area 7.1713697800572E+15
Volume 2.5118053023777E+23
Height 60665877.452554