128778840 (number)

128778840 is an even 9-digits composite number following 128778839 and preceding 128778841. In scientific notation, it is written as 1.28778840 × 10^8. The sum of its digits is 45. It has a total of 7 prime factors and 64 positive divisors. There are 32313600 positive integers (up to 128778840) that are relatively prime to 128778840.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million seven hundred seventy-eight thousand eight hundred forty

Notation

Scientific notation 1.28778840 × 10^8
Engineering notation 1.28778840 × 10^6

Prime Factorization of 128778840

Prime Factorization 2 × 2 × 2 × 345 × 3 × 151 × 103

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32194710
Product of the distinct prime numbers

The prime factorization of 128778840 is 2 × 2 × 2 × 345 × 3 × 151 × 103. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 4, 24, 44, 333, 193, 4903, 2177, 43850, 87140, 989036, 838032, 5487389, 516810, 59666980, 14980218, 609447875, 565514150, 4581886691, 5816296044

Basic calculations (n = 128778840)

Multiplication

n×y
n×2 257557680
n×3 386336520
n×4 515115360
n×5 643894200

Division

n÷y
n÷2 64389420
n÷3 42926280
n÷3 32194710
n÷5 25755768

Exponentiation

ny
n2 16583989631745600
n3 2.1356669473482E+24
n4 2.7502871210585E+32
n5 3.5417878511685E+40

Nth Root

y√n
2√n 11348.076488991
3√n 504.98851720451
4√n 106.52735089634
5√n 41.876357791231

Divisors of 128778840

1, 2, 3, 4, 6, 8, 12, 24, 103, 151, 206, 302, 309, 345, 412, 453, 604, 618, 690, 824, 906, 1035, 1208, 1236, 1380, 1812, 2070, 2472, 2760, 3624, 4140, 8280, 15553, 31106, 35535, 46659, 52095, 62212, 71070, 93318, 104190, 106605, 124424, 142140, 156285, 186636, 208380, 213210, 284280, 312570, 373272, 416760, 426420, 625140, 852840, 1250280, 5365785, 10731570, 16097355, 21463140, 32194710, 42926280, 64389420, 128778840

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 -128778839
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 128778840 can be divided by 64 positive divisors. The sum of these divisors (counting 128778840) is 1, the average is 0.015625.

Base conversion 128778840

Base System Value
2 Binary 111101011010000001001011000
3 Ternary 22222022122100200
4 Quaternary 13223100021120
5 Quinary 230431410330
6 Senary 20440102200
8 Octal 753201130
10 Decimal 128778840
12 Duodecimal 37164960
16 Hexadecimal 7ad0258
20 Vigesimal 204h720
36 Base36 24o6e0

Cryptographic Hash Functions

md5 670e39735972bd6a91c3a5f32e54ef2a
sha1 6876852849cad8bf5952649e086d9d1a67399b83
sha256 b4fe6ad713369cf9b138be22779054c2ab75cbad2a256a6c97c6713e47935557
sha512 dd4f3951b0caff94643ec29a33721880ad969702700fdb92d91603a2c79e9506c0ab8746d2af22b79ffb2abb4fef9bf902ff713c721ab956523edc26def49300
ripemd-160 c7a3fac2b462824a9d6570f12cb574d5f1f2cce5

128778840 as geometric shapes

Circle

Radius = n
Diameter 257557680
Circumference 809141315.36363
Area 5.2100139994301E+16

Sphere

Radius = n
Volume 8.9458607897383E+24
Surface area 2.0840055997721E+17
Circumference 809141315.36363

Square

Length = n
Perimeter 515115360
Area 16583989631745600
Diagonal 182120782.07467

Cube

Length = n
Surface area 99503937790473600
Volume 2.1356669473482E+24
Space diagonal 223051493.81978

Equilateral Triangle

Length = n
Perimeter 386336520
Area 7.1810781585947E+15
Altitude 111525746.90989

Triangular Pyramid

Length = n
Surface area 7.1810781585947E+15
Volume 2.5169076347098E+23
Height 60706927.358225