981361280 (number)

981361280 is an even 9-digits composite number following 981361279 and preceding 981361281. In scientific notation, it is written as 9.81361280 × 10^8. The sum of its digits is 38. It has a total of 10 prime factors and 64 positive divisors. There are 391888896 positive integers (up to 981361280) that are relatively prime to 981361280.

Interesting facts

Basic properties

Name

Name nine hundred eighty-one million three hundred sixty-one thousand two hundred eighty

Notation

Scientific notation 9.81361280 × 10^8
Engineering notation 9.81361280 × 10^6

Prime Factorization of 981361280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 953 × 1609

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 15333770
Product of the distinct prime numbers

The prime factorization of 981361280 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 953 × 1609. Since it has a total of 10 prime factors.

Most popular turbo-numbers

9, 8, 76, 22, 966, 122, 6974, 7352, 99488, 53966, 393815, 534946, 7589923, 7758406, 20791260, 57701584, 295395545, 287051996, 9517742820, 5881860624

Basic calculations (n = 981361280)

Multiplication

n×y
n×2 1962722560
n×3 2944083840
n×4 3925445120
n×5 4906806400

Division

n÷y
n÷2 490680640
n÷3 327120426.66667
n÷3 245340320
n÷5 196272256

Exponentiation

ny
n2 963069961883238400
n3 9.4511957052329E+26
n4 9.2750375148178E+35
n5 9.1021626875896E+44

Nth Root

y√n
2√n 31326.686387168
3√n 993.74808838945
4√n 176.99346424987
5√n 62.85875626627

Divisors of 981361280

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 953, 1609, 1906, 3218, 3812, 4765, 6436, 7624, 8045, 9530, 12872, 15248, 16090, 19060, 25744, 30496, 32180, 38120, 51488, 60992, 64360, 76240, 102976, 121984, 128720, 152480, 205952, 257440, 304960, 514880, 609920, 1029760, 1533377, 3066754, 6133508, 7666885, 12267016, 15333770, 24534032, 30667540, 49068064, 61335080, 98136128, 122670160, 196272256, 245340320, 490680640, 981361280

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 -981361279
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 981361280 can be divided by 64 positive divisors. The sum of these divisors (counting 981361280) is 1, the average is 0.015625.

Base conversion 981361280

Base System Value
2 Binary 111010011111100110001010000000
3 Ternary 2112101121022121002
4 Quaternary 322133212022000
5 Quinary 4002212030110
6 Senary 241213551132
8 Octal 7237461200
10 Decimal 981361280
12 Duodecimal 2347a54a8
16 Hexadecimal 3a7e6280
20 Vigesimal f6da340
36 Base36 g89z7k

Cryptographic Hash Functions

md5 4a72c11dd7b56ee2867dae60d95c71a6
sha1 411d06ae257077d140546eba55fdd60bd8879c2a
sha256 6a32c7a792af8f92af36b4d8962063209ee360798cc138d84390d54590ad14ac
sha512 9fe72f25c2fbf2da2d537c87556cc34fe83ad0bc300f84557f700e40b88546064533cfeab2082546b64d3069320245520e5d0863fb34e5ab92d70510d39ae139
ripemd-160 400f76d9f730b43134ef8642862c7e344725afb5

981361280 as geometric shapes

Circle

Radius = n
Diameter 1962722560
Circumference 6166074775.531
Area 3.0255735171454E+18

Sphere

Radius = n
Volume 3.9589075993599E+27
Surface area 1.2102294068582E+19
Circumference 6166074775.531

Square

Length = n
Perimeter 3925445120
Area 963069961883238400
Diagonal 1387854431.7638

Cube

Length = n
Surface area 5778419771299430400
Volume 9.4511957052329E+26
Space diagonal 1699767597.5408

Equilateral Triangle

Length = n
Perimeter 2944083840
Area 4.170215263063E+17
Altitude 849883798.77041

Triangular Pyramid

Length = n
Surface area 4.170215263063E+17
Volume 1.1138340955819E+26
Height 462618143.92127