981361281 (number)

981361281 is an odd 9-digits composite number following 981361280 and preceding 981361282. In scientific notation, it is written as 9.81361281 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 638283680 positive integers (up to 981361281) that are relatively prime to 981361281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.81361281 × 10^8
Engineering notation 9.81361281 × 10^6

Prime Factorization of 981361281

Prime Factorization 3 × 41 × 7978547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 981361281
Product of the distinct prime numbers

The prime factorization of 981361281 is 3 × 41 × 7978547. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 52, 71, 894, 972, 5234, 5415, 48561, 8690, 294316, 19988, 1031566, 2185129, 16383645, 92388818, 402049276, 471377069, 4800153290, 7785001221

Basic calculations (n = 981361281)

Multiplication

n×y
n×2 1962722562
n×3 2944083843
n×4 3925445124
n×5 4906806405

Division

n÷y
n÷2 490680640.5
n÷3 327120427
n÷3 245340320.25
n÷5 196272256.2

Exponentiation

ny
n2 963069963845960961
n3 9.451195734125E+26
n4 9.2750375526226E+35
n5 9.1021627339648E+44

Nth Root

y√n
2√n 31326.686403129
3√n 993.74808872699
4√n 176.99346429495
5√n 62.858756279081

Divisors of 981361281

1, 3, 41, 123, 7978547, 23935641, 327120427, 981361281

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 -981361280
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 981361281 can be divided by 8 positive divisors. The sum of these divisors (counting 981361281) is 1, the average is 0.125.

Base conversion 981361281

Base System Value
2 Binary 111010011111100110001010000001
3 Ternary 2112101121022121010
4 Quaternary 322133212022001
5 Quinary 4002212030111
6 Senary 241213551133
8 Octal 7237461201
10 Decimal 981361281
12 Duodecimal 2347a54a9
16 Hexadecimal 3a7e6281
20 Vigesimal f6da341
36 Base36 g89z7l

Cryptographic Hash Functions

md5 4e50a5d378ac249faa607ed992974870
sha1 0c484845d088c49d663aebc5032d8f6118c2be3e
sha256 140ecbe4ececd411c33a3f8d711200aeb949c8f7ff48997d1e3b3e8a08c45f33
sha512 b762bbac7827b9ef6e0c38f1ef986ddbcb4b25561b4e93bc00636fb06b32b7e9c1e8ce3eb65e920fb9ce73a9eaa32e4795067a017e111068309b07c653bf51ff
ripemd-160 cb8207ee15d167379eb541bd685ca22883454fc4

981361281 as geometric shapes

Circle

Radius = n
Diameter 1962722562
Circumference 6166074781.8141
Area 3.0255735233115E+18

Sphere

Radius = n
Volume 3.9589076114622E+27
Surface area 1.2102294093246E+19
Circumference 6166074781.8141

Square

Length = n
Perimeter 3925445124
Area 963069963845960961
Diagonal 1387854433.178

Cube

Length = n
Surface area 5778419783075765766
Volume 9.451195734125E+26
Space diagonal 1699767599.2729

Equilateral Triangle

Length = n
Perimeter 2944083843
Area 4.1702152715618E+17
Altitude 849883799.63644

Triangular Pyramid

Length = n
Surface area 4.1702152715618E+17
Volume 1.1138340989869E+26
Height 462618144.39268