987145721 (number)

987145721 is an odd 9-digits prime number following 987145720 and preceding 987145722. In scientific notation, it is written as 9.87145721 × 10^8. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 987145720 positive integers (up to 987145721) that are relatively prime to 987145721.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million one hundred forty-five thousand seven hundred twenty-one

Notation

Scientific notation 9.87145721 × 10^8
Engineering notation 9.87145721 × 10^6

Prime Factorization of 987145721

Prime Factorization 987145721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 987145721
Product of the distinct prime numbers

The prime factorization of 987145721 is 987145721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 4, 94, 87, 669, 443, 4879, 1337, 5016, 87246, 75342, 864246, 907472, 4047300, 36919137, 32522561, 672811342, 998903593, 3363592550, 7909036602

Basic calculations (n = 987145721)

Multiplication

n×y
n×2 1974291442
n×3 2961437163
n×4 3948582884
n×5 4935728605

Division

n÷y
n÷2 493572860.5
n÷3 329048573.66667
n÷3 246786430.25
n÷5 197429144.2

Exponentiation

ny
n2 974456674488609841
n3 9.6193073652132E+26
n4 9.495658104554E+35
n5 9.3735982659895E+44

Nth Root

y√n
2√n 31418.875234483
3√n 995.69674892602
4√n 177.25370302051
5√n 62.932683884921

Divisors of 987145721

1, 987145721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 987145722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 493572861
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 31418.875250397
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999997974
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 987145721 can be divided by 2 positive divisors. The sum of these divisors (counting 987145721) is 987145722, the average is 493572861.

Base conversion 987145721

Base System Value
2 Binary 111010110101101010010111111001
3 Ternary 2112210111012100122
4 Quaternary 322311222113321
5 Quinary 4010202130341
6 Senary 241541543025
8 Octal 7265522771
10 Decimal 987145721
12 Duodecimal 236714a75
16 Hexadecimal 3ad6a5f9
20 Vigesimal f89d461
36 Base36 gbpyih

Cryptographic Hash Functions

md5 93ecf47b887596aaf48cfba3fefa2807
sha1 c9be321d9e8db9c64bd80676c5e8013e5265b931
sha256 c4d22932f85778a7c8a7d0917ea774c8c61bd7f4fa1c01a0fbf428c74e78ab47
sha512 9d7924f3ca9d953e70d26ece84e7fd4e1a7dd2e9f893bb153d967641cc9815d8f3f29fc9503a18bd2fc77ea17e6f7dcb9a415a7b9f977d39166445478442575f
ripemd-160 bb54d8e2f6f9e68f3658d150612f40e057243cb8

987145721 as geometric shapes

Circle

Radius = n
Diameter 1974291442
Circumference 6202419490.2324
Area 3.061345929815E+18

Sphere

Radius = n
Volume 4.0293260468235E+27
Surface area 1.224538371926E+19
Circumference 6202419490.2324

Square

Length = n
Perimeter 3948582884
Area 974456674488609841
Diagonal 1396034866.6768

Cube

Length = n
Surface area 5846740046931659046
Volume 9.6193073652132E+26
Space diagonal 1709786543.2462

Equilateral Triangle

Length = n
Perimeter 2961437163
Area 4.2195211749722E+17
Altitude 854893271.62311

Triangular Pyramid

Length = n
Surface area 4.2195211749722E+17
Volume 1.13364624471E+26
Height 465344955.55892