21208172376384

Names of 21208172376384

• Cardinal: 21208172376384 can be written as Twenty-one trillion, two hundred eight billion, one hundred seventy-two million, three hundred seventy-six thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1208172376384 × 10¹³

Factors of 21208172376384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 14733820

Divisors of 21208172376384

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 32 34 36 42 48 49 51 54 56 63 64 68 72 84 96 98 102 108 112 119 126 136 144 147 153 168 189 192 196 204 216 224 238 252 272 288 294 306 336 357 378 392 408 432 441 448 459 476 504 544 576 588 612 672 714 756 784 816 833 864 882 918 952 1008 1071 1088 1176 1224 1323 1344 1428 1512 1568 1632 1666 1728 1764 1836 1904 2016 2142 2352 2448 2499 2646 2856 3024 3136 3213 3264 3332 3528 3672 3808 4032 4284 4704 4896 4998 5292 5712 6048 6426 6664 7056 7344 7497 7616 8568 9408 9792 9996 10584 11424 12096 12852 13328 14112 14688 14994 17136 19992 21168 22491 22848 25704 26656 28224 29376 29988 34272 39984 42336 44982 51408 53312 59976 68544 79968 84672 89964 102816 119952 159936 179928 205632 239904 359856 479808 719712 1439424 14733791 29467582 44201373 58935164 88402746 103136537 117870328 132604119 176805492 206273074 235740656 250474447 265208238 309409611 353610984 397812357 412546148 471481312 500948894 530416476 618819222 707221968 721955759 751423341 795624714 825092296 928228833 942962624 1001897788 1060832952 1237638444 1414443936 1443911518 1502846682 1591249428 1650184592 1753321129 1856457666 2003795576 2121665904 2165867277 2254270023 2475276888 2784686499 2828887872 2887823036 3005693364 3182498856 3300369184 3506642258 3712915332 4007591152 4243331808 4331734554 4508540046 4950553776 5259963387 5569372998 5775646072 6011386728 6364997712 6497601831 6600738368 6762810069 7013284516 7425830664 8015182304 8486663616 8663469108 9017080092 9901107552 10519926774 11138745996 11551292144 12022773456 12273247903 12729995424 12995203662 13525620138 14026569032 14851661328 15779890161 16030364608 17326938216 18034160184 19492805493 19802215104 21039853548 22277491992 23102584288 24045546912 24546495806 25459990848 25990407324 27051240276 28053138064 29703322656 31559780322 34653876432 36068320368 36819743709 38985610986 42079707096 44554983984 46205168576 47339670483 48091093824 49092991612 51980814648 54102480552 56106276128 59406645312 63119560644 69307752864 72136640736 73639487418 77971221972 84159414192 89109967968 94679340966 98185983224 103961629296 108204961104 110459231127 112212552256 126239121288 138615505728 144273281472 147278974836 155942443944 168318828384 178219935936 189358681932 196371966448 207923258592 216409922208 220918462254 252478242576 294557949672 311884887888 331377693381 336637656768 378717363864 392743932896 415846517184 432819844416 441836924508 504956485152 589115899344 623769775776 662755386762 757434727728 785487865792 883673849016 1009912970304 1178231798688 1247539551552 1325510773524 1514869455456 1767347698032 2356463597376 2651021547048 3029738910912 3534695396064 5302043094096 7069390792128 10604086188192 21208172376384
• Sum of all divisors σ(n): 76793702607360
• Sum of proper divisors (its aliquot sum) s(n): 55585530230976
• 21208172376384 is an abundant number, because the sum of its proper divisors (55585530230976) is greater than itself. Its abundance is 34377357854592

Bases of 21208172376384

• Binary: 100110100100111101001100101001011000101000000₂
• Hexadecimal: 0x1349E994B140
• Base-36: 7IMWE95C0

Squares and roots of 21208172376384

• 21208172376384 squared (21208172376384²) is 449786575546417361760915456
• 21208172376384 cubed (21208172376384³) is 9539151226771883842474470157326834991104
• The square root of 21208172376384 is 4605233.1511427301
• The cube root of 21208172376384 is 27680.1059553845

Scales and comparisons

• 21,208,172,376,384 seconds is equal to 674,354 years, 14 weeks, 4 days, 1 hour, 26 minutes, 24 seconds.
• To count from 1 to 21,208,172,376,384 would take you about one million, six hundred eighty-five thousand, eight hundred eighty-five 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 21208172376384 cubic inches would be around 2306.7 feet tall.

Recreational maths with 21208172376384

• 21208172376384 backwards is 48367327180212
• 21208172376384 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21208172376384's digits is 54
• More coming soon!