31007921 (number)

31007921 is an odd 8-digits composite number following 31007920 and preceding 31007922. In scientific notation, it is written as 3.1007921 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 25927992 positive integers (up to 31007921) that are relatively prime to 31007921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1007921 × 10^7
Engineering notation 3.1007921 × 10^6

Prime Factorization of 31007921

Prime Factorization 7 × 14429 × 307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31007921
Product of the distinct prime numbers

The prime factorization of 31007921 is 7 × 14429 × 307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 29, 67, 412, 43, 8965, 5835, 84489, 60999, 286620, 383572, 8822550, 2746696, 92511890, 12189606, 260284707, 462414489, 1547025672, 4429229817

Basic calculations (n = 31007921)

Multiplication

n×y
n×2 62015842
n×3 93023763
n×4 124031684
n×5 155039605

Division

n÷y
n÷2 15503960.5
n÷3 10335973.666667
n÷3 7751980.25
n÷5 6201584.2

Exponentiation

ny
n2 961491164742241
n3 2.9813842078525E+22
n4 9.2446525987739E+29
n5 2.8665745745523E+37

Nth Root

y√n
2√n 5568.4756441956
3√n 314.16481874142
4√n 74.6222195073
5√n 31.498837777167

Divisors of 31007921

1, 7, 307, 2149, 14429, 101003, 4429703, 31007921

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 -31007920
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 31007921 can be divided by 8 positive divisors. The sum of these divisors (counting 31007921) is 1, the average is 0.125.

Base conversion 31007921

Base System Value
2 Binary 1110110010010010010110001
3 Ternary 2011100100212112
4 Quaternary 1312102102301
5 Quinary 30414223141
6 Senary 3024335105
8 Octal 166222261
10 Decimal 31007921
12 Duodecimal a474495
16 Hexadecimal 1d924b1
20 Vigesimal 9dfjg1
36 Base36 iglv5

Cryptographic Hash Functions

md5 b9dd3844536a32d63a22a4ea9d19a0e8
sha1 6cb2d02c7cc84353390814e1d9bf5391be56be3a
sha256 9d056ad54697d1f3f702bcb204a9ef1ab2310c2667cd2de02c167c92efbe3264
sha512 5d4f58620cb5a4442d68fd1ae95f19b959f4d261e7d118f2fd521a387385645c6f8e2613a301b4d70a74290cb4772f82bf0267c2d72500372a2c52700464b8ad
ripemd-160 1cadd08fc398488bad7fce409372df7de97675bd

31007921 as geometric shapes

Circle

Radius = n
Diameter 62015842
Circumference 194828513.63339
Area 3.0206135796457E+15

Sphere

Radius = n
Volume 1.2488392966558E+23
Surface area 1.2082454318583E+16
Circumference 194828513.63339

Square

Length = n
Perimeter 124031684
Area 961491164742241
Diagonal 43851822.419194

Cube

Length = n
Surface area 5768946988453446
Volume 2.9813842078525E+22
Space diagonal 53707294.609082

Equilateral Triangle

Length = n
Perimeter 93023763
Area 4.1633788709053E+14
Altitude 26853647.304541

Triangular Pyramid

Length = n
Surface area 4.1633788709053E+14
Volume 3.5135949844917E+21
Height 14617274.139731