21328174704744

Names of 21328174704744

• Cardinal: 21328174704744 can be written as Twenty-one trillion, three hundred twenty-eight billion, one hundred seventy-four million, seven hundred four thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1328174704744 × 10¹³

Factors of 21328174704744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 444856

Divisors of 21328174704744

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 81 108 114 152 162 171 216 228 324 342 456 513 648 684 1026 1368 1539 2052 3078 3929 4104 6156 7858 11787 12312 15716 23574 31432 35361 47148 70722 74651 94296 106083 141444 149302 212166 223953 282888 298604 318249 424332 440903 447906 597208 636498 671859 848664 881806 895812 1272996 1322709 1343718 1763612 1791624 2015577 2545992 2645418 2687436 3527224 3968127 4031154 5290836 5374872 6046731 7936254 8062308 8377157 10581672 11904381 12093462 15872508 16124616 16754314 23808762 24186924 25131471 31745016 33508628 35713143 47617524 48373848 50262942 67017256 71426286 75394413 95235048 100525884 142852572 150788826 201051768 226183239 285705144 301577652 452366478 603155304 678549717 904732956 1357099434 1732307887 1809465912 2714198868 3464615774 5196923661 5428397736 6929231548 10393847322 13858463096 15590770983 20787694644 31181541966 32913849853 41575389288 46772312949 62363083932 65827699706 93544625898 98741549559 124726167864 131655399412 140316938847 187089251796 197483099118 263310798824 280633877694 296224648677 374178503592 394966198236 561267755388 592449297354 789932396472 888673946031 1122535510776 1184898594708 1777347892062 2369797189416 2666021838093 3554695784124 5332043676186 7109391568248 10664087352372 21328174704744
• Sum of all divisors σ(n): 62898923736000
• Sum of proper divisors (its aliquot sum) s(n): 41570749031256
• 21328174704744 is an abundant number, because the sum of its proper divisors (41570749031256) is greater than itself. Its abundance is 20242574326512

Bases of 21328174704744

• Binary: 100110110010111011010010001101110100001101000₂
• Hexadecimal: 0x1365DA46E868
• Base-36: 7K610JII0

Squares and roots of 21328174704744

• 21328174704744 squared (21328174704744²) is 454891036236081811576105536
• 21328174704744 cubed (21328174704744³) is 9701995492465186396691633331562183862784
• The square root of 21328174704744 is 4618243.6818279737
• The cube root of 21328174704744 is 27732.2152980041

Scales and comparisons

• 21,328,174,704,744 seconds is equal to 678,169 years, 51 weeks, 21 hours, 32 minutes, 24 seconds.
• To count from 1 to 21,328,174,704,744 would take you about one million, six hundred ninety-five thousand, four hundred twenty-four 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 21328174704744 cubic inches would be around 2311 feet tall.

Recreational maths with 21328174704744

• 21328174704744 backwards is 44740747182312
• 21328174704744 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21328174704744's digits is 54
• More coming soon!