128507890 (number)

128507890 is an even 9-digits composite number following 128507889 and preceding 128507891. In scientific notation, it is written as 1.28507890 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 44059680 positive integers (up to 128507890) that are relatively prime to 128507890.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred seven thousand eight hundred ninety

Notation

Scientific notation 1.28507890 × 10^8
Engineering notation 1.28507890 × 10^6

Prime Factorization of 128507890

Prime Factorization 2 × 5 × 49 × 262261

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128507890
Product of the distinct prime numbers

The prime factorization of 128507890 is 2 × 5 × 49 × 262261. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 26, 56, 446, 28, 5851, 8453, 43605, 58098, 958931, 405328, 4441790, 3724464, 95865460, 64281677, 105138946, 999698915, 9757469160, 1943634969

Basic calculations (n = 128507890)

Multiplication

n×y
n×2 257015780
n×3 385523670
n×4 514031560
n×5 642539450

Division

n÷y
n÷2 64253945
n÷3 42835963.333333
n÷3 32126972.5
n÷5 25701578

Exponentiation

ny
n2 16514277792252100
n3 2.1222149939562E+24
n4 2.7272137099967E+32
n5 3.5046847945075E+40

Nth Root

y√n
2√n 11336.132056394
3√n 504.63410413504
4√n 106.4712733858
5√n 41.858721415066

Divisors of 128507890

1, 2, 5, 10, 49, 98, 245, 490, 262261, 524522, 1311305, 2622610, 12850789, 25701578, 64253945, 128507890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128507889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128507890 can be divided by 16 positive divisors. The sum of these divisors (counting 128507890) is 1, the average is 0.0625.

Base conversion 128507890

Base System Value
2 Binary 111101010001101111111110010
3 Ternary 22221210212200111
4 Quaternary 13222031333302
5 Quinary 230344223030
6 Senary 20430211534
8 Octal 752157762
10 Decimal 128507890
12 Duodecimal 37053baa
16 Hexadecimal 7a8dff2
20 Vigesimal 20339ea
36 Base36 24idbm

Cryptographic Hash Functions

md5 0924f5ef5e4565cd79a6886a25568346
sha1 49c715d239dcb5e52458687aa9b381439334ce16
sha256 ddc95705a3ad769a54506aa054562486de293c1a1f66b8e3a9dcc4a623a2393e
sha512 ba493a7bc3eda4261a9ac79a9a218c26ba825bdb2c8db6bef9007a55785dca7751ff127ce9cddce2e85b6115b8942ebad2f1caaee26d6a12d03af09f115fb421
ripemd-160 84ed0f1eedeeda3e20840b5316121603db5a9cb3

128507890 as geometric shapes

Circle

Radius = n
Diameter 257015780
Circumference 807438886.30465
Area 5.188113379148E+16

Sphere

Radius = n
Volume 8.8895133791344E+24
Surface area 2.0752453516592E+17
Circumference 807438886.30465

Square

Length = n
Perimeter 514031560
Area 16514277792252100
Diagonal 181737600.90995

Cube

Length = n
Surface area 99085666753512600
Volume 2.1222149939562E+24
Space diagonal 222582194.65347

Equilateral Triangle

Length = n
Perimeter 385523670
Area 7.1508920466218E+15
Altitude 111291097.32674

Triangular Pyramid

Length = n
Surface area 7.1508920466218E+15
Volume 2.5010543556036E+23
Height 60579200.303317