21554881 (number)

21554881 is an odd 8-digits prime number following 21554880 and preceding 21554882. In scientific notation, it is written as 2.1554881 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 21554880 positive integers (up to 21554881) that are relatively prime to 21554881.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand eight hundred eighty-one

Notation

Scientific notation 2.1554881 × 10^7
Engineering notation 2.1554881 × 10^6

Prime Factorization of 21554881

Prime Factorization 21554881

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21554881
Product of the distinct prime numbers

The prime factorization of 21554881 is 21554881. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 3, 10, 61, 558, 408, 6051, 8233, 79941, 13355, 21205, 52174, 5049361, 1584918, 31958334, 72300738, 770171296, 219608502, 688502549, 9652796098

Basic calculations (n = 21554881)

Multiplication

n×y
n×2 43109762
n×3 64664643
n×4 86219524
n×5 107774405

Division

n÷y
n÷2 10777440.5
n÷3 7184960.3333333
n÷3 5388720.25
n÷5 4310976.2

Exponentiation

ny
n2 464612894924161
n3 1.0014675661156E+22
n4 2.1586514212981E+29
n5 4.6529474506561E+36

Nth Root

y√n
2√n 4642.7234464267
3√n 278.30128387431
4√n 68.137533316276
5√n 29.289309005437

Divisors of 21554881

1, 21554881

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21554882
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10777441
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4642.7235541221
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999072136
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21554881 can be divided by 2 positive divisors. The sum of these divisors (counting 21554881) is 21554882, the average is 10777441.

Base conversion 21554881

Base System Value
2 Binary 1010010001110011011000001
3 Ternary 1111120002201221
4 Quaternary 1102032123001
5 Quinary 21004224011
6 Senary 2045555041
8 Octal 122163301
10 Decimal 21554881
12 Duodecimal 7275a81
16 Hexadecimal 148e6c1
20 Vigesimal 6ee741
36 Base36 ctzup

Cryptographic Hash Functions

md5 793f2468562ccefbfb594dc72837cc59
sha1 5a64f4c9c0d9710370e29bc4c61c738917b3b59a
sha256 e310c5870bfdc5d35a7dcc4537c1b5c37ca53815fbd8f4f0380eabc094a9cc9d
sha512 d310cda64d429bb6d03d13a1e55d2268d0fd9cbd20b2054421fd4b70eff441745dc0987c4d2c545a6f6672e418c3986caec6b1ebc594771908fcb5f9496935e8
ripemd-160 5e0b3c38f7a1e9508b70999a0cb2995c5e6e069f

21554881 as geometric shapes

Circle

Radius = n
Diameter 43109762
Circumference 135433311.5972
Area 1.4596244574568E+15

Sphere

Radius = n
Volume 4.1949375313562E+22
Surface area 5.8384978298273E+15
Circumference 135433311.5972

Square

Length = n
Perimeter 86219524
Area 464612894924161
Diagonal 30483205.045538

Cube

Length = n
Surface area 2787677369544966
Volume 1.0014675661156E+22
Space diagonal 37334149.043101

Equilateral Triangle

Length = n
Perimeter 64664643
Area 2.0118328496508E+14
Altitude 18667074.521551

Triangular Pyramid

Length = n
Surface area 2.0118328496508E+14
Volume 1.1802408452312E+21
Height 10161068.348513