31021921 (number)

31021921 is an odd 8-digits composite number following 31021920 and preceding 31021922. In scientific notation, it is written as 3.1021921 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 26590212 positive integers (up to 31021921) that are relatively prime to 31021921.

Interesting facts

Basic properties

Name

Name thirty-one million twenty-one thousand nine hundred twenty-one

Notation

Scientific notation 3.1021921 × 10^7
Engineering notation 3.1021921 × 10^6

Prime Factorization of 31021921

Prime Factorization 7 × 4431703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31021921
Product of the distinct prime numbers

The prime factorization of 31021921 is 7 × 4431703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31021921)

Multiplication

n×y
n×2 62043842
n×3 93065763
n×4 124087684
n×5 155109605

Division

n÷y
n÷2 15510960.5
n÷3 10340640.333333
n÷3 7755480.25
n÷5 6204384.2

Exponentiation

ny
n2 962359582530241
n3 2.9854242942846E+22
n4 9.2613596608778E+29
n5 2.8730516775234E+37

Nth Root

y√n
2√n 5569.7325788587
3√n 314.2120931748
4√n 74.630641018677
5√n 31.501681593166

Divisors of 31021921

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 -31021920
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 31021921 can be divided by 4 positive divisors. The sum of these divisors (counting 31021921) is 1, the average is 0.25.

Base conversion 31021921

Base System Value
2 Binary 1110110010101101101100001
3 Ternary 2011101002002001
4 Quaternary 1312111231201
5 Quinary 30420200141
6 Senary 3024524001
8 Octal 166255541
10 Decimal 31021921
12 Duodecimal a480601
16 Hexadecimal 1d95b61
20 Vigesimal 9dheg1
36 Base36 igwo1

Cryptographic Hash Functions

md5 b2ac5b66ca21209d069cd4c0838e4f57
sha1 94ddcf00ce7afbbcf918e963ca1e5fbac9ee7fbd
sha256 aee051e2b474654a51b3a1ff3d2fccf70088ad8987b573870d345f8a3698a9cd
sha512 3d4a94ff7d8e22c82e5af13afea8f26aad1b49901dda568c11fdf9092f8667f8573e59d4fbc3f39f091c565979aa79c590ea1e3620aa2142feca70775b6460d9
ripemd-160 8291ebff26edb7234dd5bad234874dc95a879e66

31021921 as geometric shapes

Circle

Radius = n
Diameter 62043842
Circumference 194916478.22769
Area 3.0233417945887E+15

Sphere

Radius = n
Volume 1.2505316041031E+23
Surface area 1.2093367178355E+16
Circumference 194916478.22769

Square

Length = n
Perimeter 124087684
Area 962359582530241
Diagonal 43871621.409067

Cube

Length = n
Surface area 5774157495181446
Volume 2.9854242942846E+22
Space diagonal 53731543.320388

Equilateral Triangle

Length = n
Perimeter 93065763
Area 4.1671392302329E+14
Altitude 26865771.660194

Triangular Pyramid

Length = n
Surface area 4.1671392302329E+14
Volume 3.5183562720129E+21
Height 14623873.803022