128016987 (number)

128016987 is an odd 9-digits composite number following 128016986 and preceding 128016988. In scientific notation, it is written as 1.28016987 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 68849280 positive integers (up to 128016987) that are relatively prime to 128016987.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million sixteen thousand nine hundred eighty-seven

Notation

Scientific notation 1.28016987 × 10^8
Engineering notation 1.28016987 × 10^6

Prime Factorization of 128016987

Prime Factorization 3 × 119 × 358591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128016987
Product of the distinct prime numbers

The prime factorization of 128016987 is 3 × 119 × 358591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 94, 59, 200, 820, 1170, 3093, 46606, 21389, 402562, 958946, 4921245, 4538934, 34914873, 39267407, 766029105, 584571948, 7452885504, 6696058179

Basic calculations (n = 128016987)

Multiplication

n×y
n×2 256033974
n×3 384050961
n×4 512067948
n×5 640084935

Division

n÷y
n÷2 64008493.5
n÷3 42672329
n÷3 32004246.75
n÷5 25603397.4

Exponentiation

ny
n2 16388348960558169
n3 2.0979870558352E+24
n4 2.6857798165303E+32
n5 3.4382543985762E+40

Nth Root

y√n
2√n 11314.45920051
3√n 503.9907130123
4√n 106.36944674346
5√n 41.826692187167

Divisors of 128016987

1, 3, 119, 357, 358591, 1075773, 42672329, 128016987

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 -128016986
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 128016987 can be divided by 8 positive divisors. The sum of these divisors (counting 128016987) is 1, the average is 0.125.

Base conversion 128016987

Base System Value
2 Binary 111101000010110001001011011
3 Ternary 22220212221021220
4 Quaternary 13220112021123
5 Quinary 230233020422
6 Senary 20411503123
8 Octal 750261133
10 Decimal 128016987
12 Duodecimal 36a57aa3
16 Hexadecimal 7a1625b
20 Vigesimal 2002297
36 Base36 247ujf

Cryptographic Hash Functions

md5 3c7d543c4eed9798902e4c0bb191ed71
sha1 efe31a4c6e2705383336fd978aa155ec98980f33
sha256 e9bfcad1eba7653c2c66baa5bf80a4e0d7112b5a3f13ac00621027a9470943ca
sha512 0e488583bb50de2b2b2521c80499df7f59a5d7df8643ad5882b67076f1755e5668bf813736ed3a0d74133f88dc7b0baf5640e585ec5dddc19612d931941ce035
ripemd-160 8ebdf922e3d84b2ffc527ee5192b723864bcc24d

128016987 as geometric shapes

Circle

Radius = n
Diameter 256033974
Circumference 804354451.7878
Area 5.1485516698955E+16

Sphere

Radius = n
Volume 8.7880276292513E+24
Surface area 2.0594206679582E+17
Circumference 804354451.7878

Square

Length = n
Perimeter 512067948
Area 16388348960558169
Diagonal 181043359.22954

Cube

Length = n
Surface area 98330093763349014
Volume 2.0979870558352E+24
Space diagonal 221731925.71588

Equilateral Triangle

Length = n
Perimeter 384050961
Area 7.0963632629638E+15
Altitude 110865962.85794

Triangular Pyramid

Length = n
Surface area 7.0963632629638E+15
Volume 2.4725014567045E+23
Height 60347786.409847