20123712

Names of 20123712

• Cardinal: 20123712 can be written as Twenty million, one hundred twenty-three thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.0123712 × 10⁷

Factors of 20123712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 66

Divisors of 20123712

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 31 32 36 42 46 48 49 56 62 63 64 69 72 84 92 93 96 98 112 124 126 138 144 147 161 168 184 186 192 196 207 217 224 248 252 276 279 288 294 322 336 368 372 392 414 434 441 448 483 496 504 552 558 576 588 644 651 672 713 736 744 784 828 868 882 966 992 1008 1104 1116 1127 1176 1288 1302 1344 1426 1449 1472 1488 1519 1568 1656 1736 1764 1932 1953 1984 2016 2139 2208 2232 2254 2352 2576 2604 2852 2898 2976 3038 3136 3312 3381 3472 3528 3864 3906 4032 4278 4416 4464 4508 4557 4704 4991 5152 5208 5704 5796 5952 6076 6417 6624 6762 6944 7056 7728 7812 8556 8928 9016 9114 9408 9982 10143 10304 10416 11408 11592 12152 12834 13248 13524 13671 13888 14112 14973 15456 15624 17112 17856 18032 18228 19964 20286 20832 22816 23184 24304 25668 27048 27342 28224 29946 30912 31248 34224 34937 36064 36456 39928 40572 41664 44919 45632 46368 48608 51336 54096 54684 59892 62496 68448 69874 72128 72912 79856 81144 89838 92736 97216 102672 104811 108192 109368 119784 124992 136896 139748 145824 159712 162288 179676 205344 209622 216384 218736 239568 279496 291648 314433 319424 324576 359352 410688 419244 437472 479136 558992 628866 649152 718704 838488 874944 958272 1117984 1257732 1437408 1676976 2235968 2515464 2874816 3353952 5030928 6707904 10061856 20123712
• Sum of all divisors σ(n): 72274176
• Sum of proper divisors (its aliquot sum) s(n): 52150464
• 20123712 is an abundant number, because the sum of its proper divisors (52150464) is greater than itself. Its abundance is 32026752

Bases of 20123712

• Binary: 1001100110001000001000000₂
• Hexadecimal: 0x1331040
• Base-36: BZBK0

Squares and roots of 20123712

• 20123712 squared (20123712²) is 404963784658944
• 20123712 cubed (20123712³) is 8149374572906607280128
• The square root of 20123712 is 4485.9460540671
• The cube root of 20123712 is 272.0002883503

Scales and comparisons

• 20,123,712 seconds is equal to 33 weeks, 1 day, 21 hours, 55 minutes, 12 seconds.
• To count from 1 to 20,123,712 would take you about forty-nine weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20123712 cubic inches would be around 22.7 feet tall.

Recreational maths with 20123712

• 20123712 backwards is 21732102
• 20123712 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20123712's digits is 18
• More coming soon!