21369260287872

Names of 21369260287872

• Cardinal: 21369260287872 can be written as Twenty-one trillion, three hundred sixty-nine billion, two hundred sixty million, two hundred eighty-seven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.1369260287872 × 10¹³

Factors of 21369260287872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 46490520

Divisors of 21369260287872

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 32 36 38 42 48 54 56 57 63 64 72 76 84 96 108 112 114 126 128 133 144 152 168 171 189 192 216 224 228 252 266 288 304 336 342 378 384 399 432 448 456 504 513 532 576 608 672 684 756 798 864 896 912 1008 1026 1064 1152 1197 1216 1344 1368 1512 1596 1728 1824 2016 2052 2128 2394 2432 2688 2736 3024 3192 3456 3591 3648 4032 4104 4256 4788 5472 6048 6384 7182 7296 8064 8208 8512 9576 10944 12096 12768 14364 16416 17024 19152 21888 24192 25536 28728 32832 38304 51072 57456 65664 76608 114912 153216 229824 459648 46490489 92980978 139471467 185961956 278942934 325433423 371923912 418414401 557885868 650866846 743847824 836828802 883319291 976300269 1115771736 1255243203 1301733692 1487695648 1673657604 1766638582 1952600538 2231543472 2510486406 2603467384 2649957873 2928900807 2975391296 3347315208 3533277164 3905201076 4463086944 5020972812 5206934768 5299915746 5857801614 5950782592 6183235037 6694630416 7066554328 7810402152 7949873619 8786702421 8926173888 10041945624 10413869536 10599831492 11715603228 12366470074 13389260832 14133108656 15620804304 15899747238 17573404842 17852347776 18549705111 20083891248 20827739072 21199662984 23431206456 23849620857 24732940148 26778521664 28266217312 31241608608 31799494476 35146809684 37099410222 40167782496 41655478144 42399325968 46862412912 47699241714 49465880296 53557043328 55649115333 56532434624 62483217216 63598988952 70293619368 74198820444 80335564992 84798651936 93724825824 95398483428 98931760592 111298230666 113064869248 124966434432 127197977904 140587238736 148397640888 160671129984 166947345999 169597303872 187449651648 190796966856 197863521184 222596461332 254395955808 281174477472 296795281776 333894691998 339194607744 374899303296 381593933712 395727042368 445192922664 508791911616 562348954944 593590563552 667789383996 763187867424 791454084736 890385845328 1017583823232 1124697909888 1187181127104 1335578767992 1526375734848 1780771690656 2374362254208 2671157535984 3052751469696 3561543381312 5342315071968 7123086762624 10684630143936 21369260287872
• Sum of all divisors σ(n): 75872479680000
• Sum of proper divisors (its aliquot sum) s(n): 54503219392128
• 21369260287872 is an abundant number, because the sum of its proper divisors (54503219392128) is greater than itself. Its abundance is 33133959104256

Bases of 21369260287872

• Binary: 100110110111101101011001010110010011110000000₂
• Hexadecimal: 0x136F6B2B2780
• Base-36: 7KOWHU5C0

Squares and roots of 21369260287872

• 21369260287872 squared (21369260287872²) is 456645285250823312310288384
• 21369260287872 cubed (21369260287872³) is 9758171959754400130544761714063177678848
• The square root of 21369260287872 is 4622689.7243782217
• The cube root of 21369260287872 is 27750.0112167785

Scales and comparisons

• 21,369,260,287,872 seconds is equal to 679,476 years, 19 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,369,260,287,872 would take you about one million, six hundred ninety-eight thousand, six hundred ninety 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 21369260287872 cubic inches would be around 2312.5 feet tall.

Recreational maths with 21369260287872

• 21369260287872 backwards is 27878206296312
• 21369260287872 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21369260287872's digits is 63
• More coming soon!