981921 (number)

981921 is an odd 6-digits composite number following 981920 and preceding 981922. In scientific notation, it is written as 9.81921 × 10^5. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 654612 positive integers (up to 981921) that are relatively prime to 981921.

Interesting facts

Basic properties

Name

Name nine hundred eighty-one thousand nine hundred twenty-one

Notation

Scientific notation 9.81921 × 10^5
Engineering notation 9.81921 × 10^3

Prime Factorization of 981921

Prime Factorization 3 × 327307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 981921
Product of the distinct prime numbers

The prime factorization of 981921 is 3 × 327307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 981921)

Multiplication

n×y
n×2 1963842
n×3 2945763
n×4 3927684
n×5 4909605

Division

n÷y
n÷2 490960.5
n÷3 327307
n÷3 245480.25
n÷5 196384.2

Exponentiation

ny
n2 964168850241
n3 946737641597492961
n4 9.2962157177505E+23
n5 9.1281494337893E+29

Nth Root

y√n
2√n 990.9192701729
3√n 99.393698075693
4√n 31.478870217543
5√n 15.791206385338

Divisors of 981921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -981920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 981921 can be divided by 4 positive divisors. The sum of these divisors (counting 981921) is 1, the average is 0.25.

Base conversion 981921

Base System Value
2 Binary 11101111101110100001
3 Ternary 1211212221110
4 Quaternary 3233232201
5 Quinary 222410141
6 Senary 33013533
8 Octal 3575641
10 Decimal 981921
12 Duodecimal 3b42a9
16 Hexadecimal efba1
20 Vigesimal 62eg1
36 Base36 l1nl

Cryptographic Hash Functions

md5 58684ad05ab0f55cb89983d40f3280e6
sha1 75b417c20bec104059bb3520d881c60d65cc5138
sha256 1f7399a478bc6b93ff6b93c37e25829151dd718e552073067def624686b9f6fb
sha512 2486508bf2761a91a5776c265a23bb14f1f5461b57ac73a0eb0206635f29ecbedb83ae9a66818b5ca3a97fbcc34d1c5e6558778b813689539e2b8839fc7d2e9c
ripemd-160 4ec73e1d62fe0937427ab3931f0a85e92e3147a9

981921 as geometric shapes

Circle

Radius = n
Diameter 1963842
Circumference 6169591.6000111
Area 3029025776737.2

Sphere

Radius = n
Volume 3.9656853596261E+18
Surface area 12116103106949
Circumference 6169591.6000111

Square

Length = n
Perimeter 3927684
Area 964168850241
Diagonal 1388645.995379

Cube

Length = n
Surface area 5785013101446
Volume 946737641597492961
Space diagonal 1700737.0610188

Equilateral Triangle

Length = n
Perimeter 2945763
Area 417497358923.17
Altitude 850368.53050942

Triangular Pyramid

Length = n
Surface area 417497358923.17
Volume 1.1157410106302E+17
Height 462881.99845965