21457172472372

Names of 21457172472372

• Cardinal: 21457172472372 can be written as Twenty-one trillion, four hundred fifty-seven billion, one hundred seventy-two million, four hundred seventy-two thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 2.1457172472372 × 10¹³

Factors of 21457172472372

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 206

Divisors of 21457172472372

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 49 52 63 78 84 91 98 117 126 147 156 169 181 182 196 234 252 273 294 338 362 364 441 468 507 543 546 588 637 676 724 819 882 1014 1086 1092 1183 1267 1274 1521 1629 1638 1764 1911 2028 2172 2197 2353 2366 2534 2548 3042 3258 3276 3549 3801 3822 4394 4706 4732 5068 5733 6084 6516 6591 7059 7098 7602 7644 8281 8788 8869 9412 10647 11403 11466 13182 14118 14196 15204 15379 16471 16562 17738 19773 21177 21294 22806 22932 24843 26364 26607 28236 28561 30589 30758 32761 32942 33124 35476 39546 42354 42588 45612 46137 49413 49686 53214 57122 61178 61516 65522 65884 74529 79092 79821 84708 85683 91767 92274 98283 98826 99372 106428 107653 114244 115297 122356 131044 138411 148239 149058 159642 171366 183534 184548 196566 197652 199927 214123 215306 229327 230594 257049 275301 276822 294849 296478 298116 319284 322959 342732 345891 367068 371293 393132 397657 399854 425893 428246 430612 458654 461188 514098 550602 553644 589698 592956 599781 642369 645918 687981 691782 742586 795314 799708 851786 856492 917308 968877 1028196 1037673 1101204 1113879 1179396 1192971 1199562 1277679 1284738 1291836 1375962 1383564 1399489 1485172 1498861 1590628 1605289 1703572 1799343 1927107 1937754 2063943 2075346 2227758 2385942 2399124 2555358 2569476 2599051 2751924 2783599 2798978 2981251 2997722 3210578 3341637 3578913 3598686 3833037 3854214 3875508 4127886 4150692 4198467 4455516 4496583 4771884 4815867 5110716 5169541 5198102 5536609 5567198 5597956 5962502 5995444 6421156 6683274 7157826 7197372 7666074 7708428 7797153 8255772 8350797 8396934 8943753 8993166 9631734 10339082 10396204 11073218 11134396 11925004 12595401 13366548 13489749 14315652 14447601 15332148 15508623 15594306 16609827 16701594 16793868 17887506 17986332 18193357 19263468 19485193 20678164 20868757 22146436 23391459 25052391 25190802 26831259 26979498 28895202 31017246 31188612 33219654 33403188 35775012 36186787 36386714 38756263 38970386 41737514 46525869 46782918 49829481 50104782 50381604 53662518 53958996 54580071 57790404 58455579 62034492 62606271 66439308 67204033 71975917 72373574 72773428 77512526 77940772 83475028 93051738 93565836 99658962 100209564 107325036 108560361 109160142 116268789 116911158 125212542 134408066 143951834 144747148 155025052 163740213 175366737 186103476 187818813 199317924 201612099 215927751 217120722 218320284 232537578 233822316 250425084 253307509 268816132 271293841 287903668 325681083 327480426 348806367 350733474 375637626 403224198 431855502 434241444 465075156 470428231 503831419 506615018 542587682 604836297 647783253 651362166 654960852 697612734 701466948 751275252 759922527 806448396 813881523 863711004 935686921 940856462 1007662838 1013230036 1085175364 1209672594 1295566506 1302724332 1395225468 1411284693 1511494257 1519845054 1627763046 1871373842 1881712924 2015325676 2279767581 2419345188 2441644569 2591133012 2807060763 2822569386 3022988514 3039690108 3255526092 3292997617 3526819933 3742747684 4233854079 4534482771 4559535162 4883289138 5614121526 5645138772 6045977028 6549808447 6585995234 7053639866 8421182289 8467708158 9068965542 9119070324 9766578276 9878992851 10580459799 11228243052 12163929973 13099616894 13171990468 14107279732 16842364578 16935416316 18137931084 19649425341 19757985702 21160919598 24327859946 26199233788 29636978553 31741379397 33684729156 36491789919 39298850682 39515971404 42321839196 45848659129 48655719892 58948276023 59273957106 63482758794 72983579838 78597701364 85147509811 91697318258 109475369757 117896552046 118547914212 126965517588 137545977387 145967159676 170295019622 183394636516 218950739514 235793104092 255442529433 275091954774 340590039244 412637932161 437901479028 510885058866 550183909548 596032568677 766327588299 825275864322 1021770117732 1192065137354 1532655176598 1650551728644 1788097706031 2384130274708 3065310353196 3576195412062 5364293118093 7152390824124 10728586236186 21457172472372
• Sum of all divisors σ(n): 68731871911794
• Sum of proper divisors (its aliquot sum) s(n): 47274699439422
• 21457172472372 is an abundant number, because the sum of its proper divisors (47274699439422) is greater than itself. Its abundance is 25817526967050

Bases of 21457172472372

• Binary: 100111000001111100011001001001010001000110100₂
• Hexadecimal: 0x1383E324A234
• Base-36: 7LTAEHD10

Squares and roots of 21457172472372

• 21457172472372 squared (21457172472372²) is 460410250509118727103306384
• 21457172472372 cubed (21457172472372³) is 9879102153222158949370138209429091222848
• The square root of 21457172472372 is 4632188.7345370547
• The cube root of 21457172472372 is 27788.0132545805

Scales and comparisons

• 21,457,172,472,372 seconds is equal to 682,271 years, 37 weeks, 14 hours, 46 minutes, 12 seconds.
• To count from 1 to 21,457,172,472,372 would take you about one million, seven hundred five thousand, six hundred seventy-nine 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 21457172472372 cubic inches would be around 2315.7 feet tall.

Recreational maths with 21457172472372

• 21457172472372 backwards is 27327427175412
• The number of decimal digits it has is: 14
• The sum of 21457172472372's digits is 54
• More coming soon!