21040854925440

Names of 21040854925440

• Cardinal: 21040854925440 can be written as Twenty-one trillion, forty billion, eight hundred fifty-four million, nine hundred twenty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.104085492544 × 10¹³

Factors of 21040854925440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 624

Divisors of 21040854925440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 128 140 147 160 168 192 196 210 224 240 245 280 294 320 336 384 392 420 448 480 490 560 588 607 640 672 735 784 840 896 960 980 1120 1176 1214 1344 1470 1568 1680 1821 1920 1960 2240 2352 2428 2688 2940 3035 3136 3360 3642 3920 4249 4480 4704 4856 5880 6070 6272 6720 7284 7840 8498 9105 9408 9712 11760 12140 12747 13440 14568 15680 16996 18210 18816 19424 21245 23520 24280 25494 29136 29743 31360 33992 36420 38848 42490 47040 48560 50988 58272 59486 63735 67984 72840 77696 84980 89229 94080 97120 101976 116544 118972 127470 135968 145680 148715 169960 178458 194240 203952 233088 237944 254940 271936 291360 297430 339920 356916 368449 388480 407904 446145 475888 509880 543872 582720 594860 679840 713832 736898 815808 892290 951776 1019760 1105347 1165440 1189720 1359680 1427664 1473796 1631616 1784580 1842245 1903552 2039520 2210694 2379440 2579143 2719360 2855328 2947592 3569160 3684490 3807104 4079040 4421388 4758880 5158286 5526735 5710656 5895184 7138320 7368980 7737429 8158080 8842776 9517760 10316572 11053470 11421312 11790368 12895715 14276640 14737960 15474858 17685552 18054001 19035520 20633144 22106940 23580736 25791430 28553280 29475920 30949716 35371104 36108002 38687145 41266288 44213880 47161472 51582860 54162003 57106560 58951840 61899432 70742208 72216004 77374290 82532576 88427760 90270005 103165720 108324006 117903680 123798864 141484416 144432008 154748580 165065152 176855520 180540010 206331440 216648012 223648543 235807360 247597728 270810015 288864016 309497160 330130304 353711040 361080020 412662880 433296024 447297086 495195456 541620030 577728032 618994320 670945629 707422080 722160040 825325760 866592048 894594172 990390912 1083240060 1118242715 1155456064 1237988640 1341891258 1444320080 1565539801 1650651520 1733184096 1789188344 2166480120 2236485430 2310912128 2475977280 2683782516 2888640160 3131079602 3354728145 3466368192 3578376688 4332960240 4472970860 4696619403 4951954560 5367565032 5777280320 6262159204 6709456290 6932736384 7156753376 7827699005 8665920480 8945941720 9393238806 10735130064 10958778607 11554560640 12524318408 13418912580 14313506752 15655398010 17331840960 17891883440 18786477612 21470260128 21917557214 23483097015 25048636816 26837825160 28627013504 31310796020 32876335821 34663681920 35783766880 37572955224 42940520256 43835114428 46966194030 50097273632 53675650320 54793893035 62621592040 65752671642 71567533760 75145910448 85881040512 87670228856 93932388060 100194547264 107351300640 109587786070 125243184080 131505343284 143135067520 150291820896 164381679105 175340457712 187864776120 200389094528 214702601280 219175572140 250486368160 263010686568 300583641792 328763358210 350680915424 375729552240 429405202560 438351144280 500972736320 526021373136 601167283584 657526716420 701361830848 751459104480 876702288560 1001945472640 1052042746272 1315053432840 1402723661696 1502918208960 1753404577120 2104085492544 2630106865680 3005836417920 3506809154240 4208170985088 5260213731360 7013618308480 10520427462720 21040854925440
• Sum of all divisors σ(n): 78146299584000
• Sum of proper divisors (its aliquot sum) s(n): 57105444658560
• 21040854925440 is an abundant number, because the sum of its proper divisors (57105444658560) is greater than itself. Its abundance is 36064589733120

Bases of 21040854925440

• Binary: 100110010001011110100101011110000000010000000₂
• Hexadecimal: 0x1322F4AF0080
• Base-36: 7GI19RHXC

Squares and roots of 21040854925440

• 21040854925440 squared (21040854925440²) is 442717575993412707959193600
• 21040854925440 cubed (21040854925440³) is 9315156289419855277257886949090525184000
• The square root of 21040854925440 is 4587031.1668267527
• The cube root of 21040854925440 is 27607.1215456137

Scales and comparisons

• 21,040,854,925,440 seconds is equal to 669,034 years, 5 weeks, 2 days, 11 hours, 44 minutes.
• To count from 1 to 21,040,854,925,440 would take you about one million, six hundred seventy-two thousand, five 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 21040854925440 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21040854925440

• 21040854925440 backwards is 04452945804012
• 21040854925440 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21040854925440's digits is 48
• More coming soon!