20990845306368

Names of 20990845306368

• Cardinal: 20990845306368 can be written as Twenty trillion, nine hundred ninety billion, eight hundred forty-five million, three hundred six thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0990845306368 × 10¹³

Factors of 20990845306368

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 650757865

Divisors of 20990845306368

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 672 768 896 1008 1152 1344 1536 1792 2016 2304 2688 3584 4032 4608 5376 8064 10752 16128 32256 650757853 1301515706 1952273559 2603031412 3904547118 4555304971 5206062824 5856820677 7809094236 9110609942 10412125648 11713641354 13665914913 15618188472 18221219884 20824251296 23427282708 27331829826 31236376944 36442439768 40997744739 41648502592 46854565416 54663659652 62472753888 72884879536 81995489478 83297005184 93709130832 109327319304 124945507776 145769759072 163990978956 166594010368 187418261664 218654638608 249891015552 291539518144 327981957912 333188020736 374836523328 437309277216 499782031104 583079036288 655963915824 749673046656 874618554432 999564062208 1166158072576 1311927831648 1499346093312 1749237108864 2332316145152 2623855663296 2998692186624 3498474217728 5247711326592 6996948435456 10495422653184 20990845306368
• Sum of all divisors σ(n): 69235429602768
• Sum of proper divisors (its aliquot sum) s(n): 48244584296400
• 20990845306368 is an abundant number, because the sum of its proper divisors (48244584296400) is greater than itself. Its abundance is 27253738990032

Bases of 20990845306368

• Binary: 100110001011101001111111000001100011000000000₂
• Hexadecimal: 0x13174FE0C600
• Base-36: 7FV27BSW0

Squares and roots of 20990845306368

• 20990845306368 squared (20990845306368²) is 440615586675871495781351424
• 20990845306368 cubed (20990845306368³) is 9248893619487799866577900051254353068032
• The square root of 20990845306368 is 4581576.7271069465
• The cube root of 20990845306368 is 27585.2321167233

Scales and comparisons

• 20,990,845,306,368 seconds is equal to 667,443 years, 49 weeks, 3 days, 10 hours, 52 minutes, 48 seconds.
• To count from 1 to 20,990,845,306,368 would take you about one million, six hundred sixty-eight thousand, six hundred nine years!

  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 20990845306368 cubic inches would be around 2298.8 feet tall.

Recreational maths with 20990845306368

• 20990845306368 backwards is 86360354809902
• 20990845306368 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20990845306368's digits is 63
• More coming soon!