20389446302720

Names of 20389446302720

• Cardinal: 20389446302720 can be written as Twenty trillion, three hundred eighty-nine billion, four hundred forty-six million, three hundred two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.038944630272 × 10¹³

Factors of 20389446302720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 265068

Divisors of 20389446302720

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 512 640 704 880 1024 1280 1373 1408 1760 2560 2746 2816 3520 5120 5492 5632 6865 7040 10984 11264 13730 14080 15103 21968 27460 28160 30206 43936 54920 56320 60412 75515 87872 109840 120824 151030 175744 219680 241648 263677 302060 351488 439360 483296 527354 604120 702976 878720 966592 1054708 1208240 1318385 1405952 1757440 1933184 2109416 2416480 2636770 2900447 3514880 3866368 4218832 4832960 5273540 5800894 7029760 7732736 8437664 9665920 10547080 11601788 14502235 15465472 16875328 19331840 21094160 23203576 29004470 33750656 38663680 42188320 46407152 58008940 67501312 77327360 84376640 92814304 116017880 135002624 168753280 185628608 232035760 270005248 337506560 362028521 371257216 464071520 675013120 724057042 742514432 928143040 1350026240 1448114084 1485028864 1810142605 1856286080 2896228168 2970057728 3620285210 3712572160 3982313731 5792456336 7240570420 7425144320 7964627462 11584912672 14481140840 14850288640 15929254924 19911568655 23169825344 28962281680 31858509848 39823137310 46339650688 57924563360 63717019696 79646274620 92679301376 115849126720 127434039392 159292549240 185358602752 231698253440 254868078784 318585098480 370717205504 463396506880 509736157568 637170196960 926793013760 1019472315136 1274340393920 1853586027520 2038944630272 2548680787840 4077889260544 5097361575680 10194723151360 20389446302720
• Sum of all divisors σ(n): 53396275815648
• Sum of proper divisors (its aliquot sum) s(n): 33006829512928
• 20389446302720 is an abundant number, because the sum of its proper divisors (33006829512928) is greater than itself. Its abundance is 12617383210208

Bases of 20389446302720

• Binary: 100101000101101001001101101000011110000000000₂
• Hexadecimal: 0x128B49B43C00
• Base-36: 786S5VZSW

Squares and roots of 20389446302720

• 20389446302720 squared (20389446302720²) is 415729520531502277879398400
• 20389446302720 cubed (20389446302720³) is 8476494735332597448995357748937883648000
• The square root of 20389446302720 is 4515467.4511859789
• The cube root of 20389446302720 is 27319.2314423581

Scales and comparisons

• 20,389,446,302,720 seconds is equal to 648,321 years, 16 weeks, 5 days, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 20,389,446,302,720 would take you about one million, six hundred twenty thousand, eight hundred three 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 20389446302720 cubic inches would be around 2276.6 feet tall.

Recreational maths with 20389446302720

• 20389446302720 backwards is 02720364498302
• The number of decimal digits it has is: 14
• The sum of 20389446302720's digits is 50
• More coming soon!