21288998016

Names of 21288998016

• Cardinal: 21288998016 can be written as Twenty-one billion, two hundred eighty-eight million, nine hundred ninety-eight thousand and sixteen.

Scientific notation

• Scientific notation: 2.1288998016 × 10¹⁰

Factors of 21288998016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 285

Divisors of 21288998016

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 32 33 36 39 44 48 52 54 64 66 72 78 81 83 88 96 99 104 108 117 128 132 143 144 156 162 166 173 176 192 198 208 216 234 249 264 286 288 297 312 324 332 346 351 352 384 396 416 429 432 468 498 519 528 572 576 594 624 648 664 692 702 704 747 792 832 858 864 891 913 936 996 1038 1053 1056 1079 1144 1152 1188 1248 1287 1296 1328 1384 1404 1408 1494 1557 1584 1664 1716 1728 1782 1826 1872 1903 1992 2076 2106 2112 2158 2241 2249 2288 2376 2496 2574 2592 2656 2739 2768 2808 2988 3114 3168 3237 3432 3456 3564 3652 3744 3806 3861 3984 4152 4212 4224 4316 4482 4498 4576 4671 4752 4992 5148 5184 5312 5478 5536 5616 5709 5976 6228 6336 6474 6723 6747 6864 7128 7304 7488 7612 7722 7968 8217 8304 8424 8632 8964 8996 9152 9342 9504 9711 10296 10368 10624 10956 11072 11232 11418 11583 11869 11952 12456 12672 12948 13446 13494 13728 14013 14256 14359 14608 14976 15224 15444 15936 16434 16608 16848 17127 17264 17928 17992 18304 18684 19008 19422 20241 20592 21912 22144 22464 22836 23166 23738 23904 24651 24739 24912 25896 26892 26988 27456 28026 28512 28718 29133 29216 30448 30888 31872 32868 33216 33696 34254 34528 35607 35856 35984 37368 38016 38844 40482 41184 43077 43824 44928 45672 46332 47476 47808 49302 49478 49824 51381 51792 53784 53976 54912 56052 57024 57436 58266 58432 60723 60896 61776 65736 66432 67392 68508 69056 71214 71712 71968 73953 74217 74736 77688 80964 82368 86154 87399 87648 91344 92664 94952 95616 98604 98956 99648 102762 103584 106821 107568 107952 112104 114048 114872 116532 116864 121446 121792 123552 129231 131472 134784 137016 138112 142428 143424 143936 147906 148434 149472 154143 155376 157949 161928 164736 172308 174798 175296 182169 182688 185328 186667 189904 197208 197912 199296 205524 207168 213642 215136 215904 222651 224208 229744 233064 242892 243584 247104 258462 262944 274032 284856 286848 287872 295812 296868 298944 308286 310752 315898 320463 323856 344616 349596 350592 364338 365376 370656 373334 379808 387693 394416 395824 411048 414336 427284 430272 431808 445302 448416 459488 466128 473847 485784 494208 516924 525888 548064 560001 569712 591624 593736 597888 616572 621504 631796 640926 647712 667953 689232 699192 728676 730752 741312 746668 759616 775386 788832 791648 822096 854568 860544 863616 890604 896832 918976 932256 947694 961389 971568 1033848 1051776 1096128 1120002 1139424 1163079 1183248 1187472 1233144 1243008 1263592 1281852 1295424 1335906 1378464 1398384 1421541 1457352 1482624 1493336 1519232 1550772 1577664 1583296 1644192 1680003 1709136 1781208 1793664 1837952 1864512 1895388 1922778 1943136 2003859 2053337 2067696 2192256 2240004 2278848 2326158 2366496 2374944 2466288 2527184 2563704 2590848 2671812 2756928 2796768 2843082 2914704 2986672 3101544 3155328 3166592 3288384 3360006 3418272 3562416 3729024 3790776 3845556 3886272 4007718 4106674 4135392 4264623 4480008 4557696 4652316 4732992 4749888 4932576 5040009 5054368 5127408 5343624 5513856 5593536 5686164 5829408 5973344 6160011 6203088 6576768 6720012 6836544 7124832 7581552 7691112 7772544 8015436 8213348 8270784 8529246 8960016 9304632 9465984 9499776 9865152 10080018 10108736 10254816 10687248 11187072 11372328 11658816 11946688 12320022 12406176 12793869 13440024 13673088 14249664 15120027 15163104 15382224 16030872 16426696 16541568 17058492 17920032 18480033 18609264 19730304 20160036 20217472 20509632 21374496 22744656 23317632 23893376 24640044 24812352 25587738 26880048 28499328 30240054 30326208 30764448 32061744 32853392 34116984 35840064 36960066 37218528 40320072 41019264 42748992 45489312 49280088 49624704 51175476 53760096 55440099 60480108 60652416 61528896 64123488 65706784 68233968 71680128 73920132 74437056 80640144 85497984 90978624 98560176 102350952 107520192 110880198 120960216 123057792 128246976 131413568 136467936 147840264 148874112 161280288 166320297 181957248 197120352 204701904 215040384 221760396 241920432 256493952 262827136 272935872 295680528 322560576 332640594 394240704 409403808 443520792 483840864 545871744 591361056 645121152 665281188 788481408 818807616 887041584 967681728 1182722112 1330562376 1637615232 1774083168 1935363456 2365444224 2661124752 3548166336 5322249504 7096332672 10644499008 21288998016
• Sum of all divisors σ(n): 75764082240
• Sum of proper divisors (its aliquot sum) s(n): 54475084224
• 21288998016 is an abundant number, because the sum of its proper divisors (54475084224) is greater than itself. Its abundance is 33186086208

Bases of 21288998016

• Binary: 10011110100111011000101010010000000₂
• Hexadecimal: 0x4F4EC5480
• Base-36: 9S2X400

Squares and roots of 21288998016

• 21288998016 squared (21288998016²) is 453221436525251936256
• 21288998016 cubed (21288998016³) is 9648630262994758404854142468096
• The square root of 21288998016 is 145907.4981486559
• The cube root of 21288998016 is 2771.5224904135

Scales and comparisons

• 21,288,998,016 seconds is equal to 676 years, 48 weeks, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,288,998,016 would take you about one thousand, three hundred fifty-three 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 21288998016 cubic inches would be around 231 feet tall.

Recreational maths with 21288998016

• 21288998016 backwards is 61089988212
• 21288998016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21288998016's digits is 54
• More coming soon!