21738340008

Names of 21738340008

• Cardinal: 21738340008 can be written as Twenty-one billion, seven hundred thirty-eight million, three hundred forty thousand and eight.

Scientific notation

• Scientific notation: 2.1738340008 × 10¹⁰

Factors of 21738340008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 703

Divisors of 21738340008

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 49 54 56 63 66 72 77 81 84 88 98 99 108 109 126 132 147 154 162 168 189 196 198 216 218 231 252 264 294 297 308 324 327 378 392 396 436 441 462 504 539 567 571 588 594 616 648 654 693 756 763 792 872 882 891 924 981 1078 1134 1142 1176 1188 1199 1308 1323 1386 1512 1526 1617 1713 1764 1782 1848 1962 2079 2156 2268 2284 2289 2376 2398 2616 2646 2772 2943 3052 3234 3426 3528 3564 3597 3924 3969 3997 4158 4312 4536 4568 4578 4796 4851 5139 5292 5341 5544 5886 6104 6237 6281 6468 6852 6867 7128 7194 7848 7938 7994 8316 8393 8829 9156 9592 9702 10278 10584 10682 10791 11772 11991 12474 12562 12936 13704 13734 14388 14553 15417 15876 15988 16023 16632 16786 17658 18312 18843 19404 20556 20601 21364 21582 23544 23982 24948 25124 25179 27468 27979 28776 29106 30834 31752 31976 32046 32373 33572 35316 35973 37686 38808 41112 41202 42728 43164 43659 43967 46251 47964 48069 49896 50248 50358 54936 55958 56529 58212 58751 61668 61803 62239 64092 64746 67144 70632 71946 75372 75537 82404 83937 86328 87318 87934 92502 95928 96138 97119 100716 107919 111916 113058 116424 117502 123336 123606 124478 128184 129492 131901 143892 144207 150744 151074 164808 167874 169587 174636 175868 176253 185004 186717 192276 194238 201432 215838 223832 226116 226611 235004 247212 248956 251811 258984 263802 287784 288414 302148 307769 323757 335748 339174 349272 351736 352506 370008 373434 384552 388476 395703 431676 432621 435673 452232 453222 470008 494424 497912 503622 508761 527604 528759 560151 576828 604296 615538 647514 671496 678348 679833 684629 705012 746868 755433 776952 791406 863352 865242 871346 906444 923307 1007244 1017522 1055208 1057518 1120302 1153656 1187109 1231076 1295028 1307019 1356696 1359666 1369258 1410024 1493736 1510866 1582812 1586277 1680453 1730484 1742692 1812888 1846614 2014488 2035044 2053887 2115036 2240604 2266299 2374218 2462152 2590056 2614038 2719332 2738516 2769921 3021732 3049711 3165624 3172554 3360906 3460968 3485384 3561327 3693228 3921057 4070088 4107774 4230072 4481208 4532598 4748436 4758831 4792403 5041359 5228076 5438664 5477032 5539842 6043464 6099422 6161661 6345108 6721812 7122654 7386456 7842114 8215548 8309763 9065196 9149133 9496872 9517662 9584806 10082718 10456152 11079684 11763171 12198844 12323322 12690216 13443624 14245308 14377209 15684228 16431096 16619526 18130392 18298266 18484983 19035324 19169612 20165436 22159368 23526342 24397688 24646644 24929289 27447399 28490616 28754418 31368456 33239052 33546821 35289513 36596532 36969966 38070648 38339224 40330872 43131627 47052684 49293288 49858578 54894798 55454949 57508836 66478104 67093642 70579026 73193064 73939932 82342197 86263254 94105368 99717156 100640463 109789596 110909898 115017672 129394881 134187284 141158052 147879864 164684394 172526508 199434312 201280926 219579192 221819796 247026591 258789762 268374568 282316104 301921389 329368788 345053016 388184643 402561852 443639592 494053182 517579524 603842778 658737576 776369286 805123704 905764167 988106364 1035159048 1207685556 1552738572 1811528334 1976212728 2415371112 2717292501 3105477144 3623056668 5434585002 7246113336 10869170004 21738340008
• Sum of all divisors σ(n): 78112663200
• Sum of proper divisors (its aliquot sum) s(n): 56374323192
• 21738340008 is an abundant number, because the sum of its proper divisors (56374323192) is greater than itself. Its abundance is 34635983184

Bases of 21738340008

• Binary: 10100001111101101001011111010101000₂
• Hexadecimal: 0x50FB4BEA8
• Base-36: 9ZIG2I0

Squares and roots of 21738340008

• 21738340008 squared (21738340008²) is 472555426303413440064
• 21738340008 cubed (21738340008³) is 10272570529608987931108161280512
• The square root of 21738340008 is 147439.2756628979
• The cube root of 21738340008 is 2790.8861839801

Scales and comparisons

• 21,738,340,008 seconds is equal to 691 years, 11 weeks, 3 hours, 46 minutes, 48 seconds.
• To count from 1 to 21,738,340,008 would take you about one thousand, three hundred eighty-two 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 21738340008 cubic inches would be around 232.6 feet tall.

Recreational maths with 21738340008

• 21738340008 backwards is 80004383712
• 21738340008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21738340008's digits is 36
• More coming soon!