21728363860840

Names of 21728363860840

• Cardinal: 21728363860840 can be written as Twenty-one trillion, seven hundred twenty-eight billion, three hundred sixty-three million, eight hundred sixty thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.172836386084 × 10¹³

Factors of 21728363860840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1772957

Divisors of 21728363860840

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 35 37 40 49 52 56 65 70 74 91 98 104 130 140 148 169 182 185 196 245 259 260 280 296 338 364 370 392 455 481 490 518 520 637 676 728 740 845 910 962 980 1036 1183 1274 1295 1352 1480 1690 1813 1820 1924 1960 2072 2366 2405 2548 2590 3185 3367 3380 3626 3640 3848 4732 4810 5096 5180 5915 6253 6370 6734 6760 7252 8281 9065 9464 9620 10360 11830 12506 12740 13468 14504 16562 16835 18130 19240 23569 23660 25012 25480 26936 31265 33124 33670 36260 41405 43771 47138 47320 50024 62530 66248 67340 72520 82810 87542 94276 117845 125060 134680 165620 175084 188552 218855 235690 250120 306397 331240 350168 437710 471380 612794 875420 942760 1225588 1531985 1750840 1772893 2451176 3063970 3545786 6127940 7091572 8864465 12255880 12410251 14183144 17728930 23047609 24820502 35457860 46095218 49641004 62051255 65597041 70915720 86871757 92190436 99282008 115238045 124102510 131194082 161333263 173743514 184380872 230476090 248205020 262388164 299618917 322666526 327985205 347487028 434358785 459179287 460952180 496410040 524776328 599237834 645333052 655970410 694974056 806666315 852761533 868717570 918358574 921904360 1129332841 1198475668 1290666104 1311940820 1498094585 1613332630 1705523066 1737435140 1836717148 2097332419 2258665682 2295896435 2396951336 2623881640 2996189170 3214255009 3226665260 3411046132 3474870280 3673434296 4194664838 4263807665 4517331364 4591792870 5646664205 5969330731 5992378340 6428510018 6453330520 6822092264 8389329676 8527615330 9034662728 9183585740 10486662095 11085899929 11293328410 11938661462 11984756680 12857020036 14681326933 16071275045 16778659352 17055230660 18367171480 20973324190 22171799858 22586656820 23877322924 25714040072 29362653866 29846653655 32142550090 34110461320 41785315117 41946648380 44343599716 45173313640 47754645848 55429499645 58725307732 59693307310 64285100180 73406634665 77601299503 83570630234 83893296760 88687199432 110858999290 117450615464 119386614620 128570200360 146813269330 155202599006 167141260468 208926575585 221717998580 238773229240 293626538660 310405198012 334282520936 388006497515 417853151170 443435997160 543209096521 587253077320 620810396024 776012995030 835706302340 1086418193042 1552025990060 1671412604680 2172836386084 2716045482605 3104051980120 4345672772168 5432090965210 10864181930420 21728363860840
• Sum of all divisors σ(n): 63246256013880
• Sum of proper divisors (its aliquot sum) s(n): 41517892153040
• 21728363860840 is an abundant number, because the sum of its proper divisors (41517892153040) is greater than itself. Its abundance is 19789528292200

Bases of 21728363860840

• Binary: 100111100001100000111011010001101001101101000₂
• Hexadecimal: 0x13C30768D368
• Base-36: 7P9VETZL4

Squares and roots of 21728363860840

• 21728363860840 squared (21728363860840²) is 472121796069057750885505600
• 21728363860840 cubed (21728363860840³) is 10258434171621786807291511387611440704000
• The square root of 21728363860840 is 4661369.3117838239
• The cube root of 21728363860840 is 27904.5918799855

Scales and comparisons

• 21,728,363,860,840 seconds is equal to 690,894 years, 39 weeks, 3 days, 20 hours, 40 seconds.
• To count from 1 to 21,728,363,860,840 would take you about one million, seven hundred twenty-seven thousand, two hundred thirty-six 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 21728363860840 cubic inches would be around 2325.4 feet tall.

Recreational maths with 21728363860840

• 21728363860840 backwards is 04806836382712
• The number of decimal digits it has is: 14
• The sum of 21728363860840's digits is 58
• More coming soon!