21447681950720

Names of 21447681950720

• Cardinal: 21447681950720 can be written as Twenty-one trillion, four hundred forty-seven billion, six hundred eighty-one million, nine hundred fifty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.144768195072 × 10¹³

Factors of 21447681950720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1954

Divisors of 21447681950720

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 32 40 41 58 64 80 82 116 128 145 160 164 205 232 256 290 320 328 410 464 512 580 640 656 820 928 1024 1160 1189 1280 1312 1640 1856 1877 2320 2378 2560 2624 3280 3712 3754 4640 4756 5120 5248 5945 6560 7424 7508 9280 9385 9512 10496 11890 13120 14848 15016 18560 18770 19024 20992 23780 26240 29696 30032 37120 37540 38048 41984 47560 52480 54433 60064 74240 75080 76096 76957 95120 104960 108866 120128 148480 150160 152192 153914 190240 209920 217732 240256 272165 300320 304384 307828 380480 384785 435464 480512 544330 600640 608768 615656 760960 769570 870928 961024 1088660 1201280 1217536 1231312 1521920 1539140 1741856 1922048 2177320 2231753 2402560 2462624 3043840 3078280 3483712 3523129 4354640 4463506 4805120 4925248 6087680 6156560 6967424 7046258 8709280 8927012 9610240 9850496 11158765 12313120 13934848 14092516 17418560 17615645 17854024 19700992 22317530 24626240 27869696 28185032 34837120 35231290 35708048 39401984 44635060 49252480 55739392 56370064 69674240 70462580 71416096 78803968 89270120 98504960 102170741 112740128 139348480 140925160 142832192 144448289 178540240 197009920 204341482 225480256 278696960 281850320 285664384 288896578 357080480 394019840 408682964 450960512 510853705 563700640 571328768 577793156 714160960 722241445 817365928 901921024 1021707410 1127401280 1142657536 1155586312 1428321920 1444482890 1634731856 1803842048 2043414820 2254802560 2285315072 2311172624 2856643840 2888965780 3269463712 3607684096 4086829640 4189000381 4509605120 4622345248 5713287680 5777931560 6538927424 8173659280 8378000762 9019210240 9244690496 11426575360 11555863120 13077854848 16347318560 16756001524 18038420480 18489380992 20945001905 23111726240 26155709696 32694637120 33512003048 36978761984 41890003810 46223452480 52311419392 65389274240 67024006096 73957523968 83780007620 92446904960 104622838784 130778548480 134048012192 147915047936 167560015240 184893809920 261557096960 268096024384 335120030480 369787619840 523114193920 536192048768 670240060960 739575239680 1072384097536 1340480121920 2144768195072 2680960243840 4289536390144 5361920487680 10723840975360 21447681950720
• Sum of all divisors σ(n): 54550611327240
• Sum of proper divisors (its aliquot sum) s(n): 33102929376520
• 21447681950720 is an abundant number, because the sum of its proper divisors (33102929376520) is greater than itself. Its abundance is 11655247425800

Bases of 21447681950720

• Binary: 100111000000110101101011101101100010000000000₂
• Hexadecimal: 0x1381AD76C400
• Base-36: 7LOXG2JNK

Squares and roots of 21447681950720

• 21447681950720 squared (21447681950720²) is 460003061059240464508518400
• 21447681950720 cubed (21447681950720³) is 9865999349956221795311618843369013248000
• The square root of 21447681950720 is 4631164.2111590041
• The cube root of 21447681950720 is 27783.9157648337

Scales and comparisons

• 21,447,681,950,720 seconds is equal to 681,969 years, 49 weeks, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 21,447,681,950,720 would take you about one million, seven hundred four thousand, nine 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 21447681950720 cubic inches would be around 2315.3 feet tall.

Recreational maths with 21447681950720

• 21447681950720 backwards is 02705918674412
• The number of decimal digits it has is: 14
• The sum of 21447681950720's digits is 56
• More coming soon!