18394742711520

Names of 18394742711520

• Cardinal: 18394742711520 can be written as Eighteen trillion, three hundred ninety-four billion, seven hundred forty-two million, seven hundred eleven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.839474271152 × 10¹³

Factors of 18394742711520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 11334669

Divisors of 18394742711520

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 28 30 32 35 36 40 42 45 46 48 49 56 60 63 69 70 72 80 84 90 92 96 98 105 112 115 120 126 138 140 144 147 160 161 168 180 184 196 207 210 224 230 240 245 252 276 280 288 294 315 322 336 345 360 368 392 414 420 441 460 480 483 490 504 552 560 588 630 644 672 690 720 735 736 784 805 828 840 882 920 966 980 1008 1035 1104 1120 1127 1176 1260 1288 1380 1440 1449 1470 1568 1610 1656 1680 1764 1840 1932 1960 2016 2070 2205 2208 2254 2352 2415 2520 2576 2760 2898 2940 3220 3312 3360 3381 3528 3680 3864 3920 4140 4410 4508 4704 4830 5040 5152 5520 5635 5796 5880 6440 6624 6762 7056 7245 7728 7840 8280 8820 9016 9660 10080 10143 11040 11270 11592 11760 12880 13524 14112 14490 15456 16560 16905 17640 18032 19320 20286 22540 23184 23520 25760 27048 28980 33120 33810 35280 36064 38640 40572 45080 46368 50715 54096 57960 67620 70560 77280 81144 90160 101430 108192 115920 135240 162288 180320 202860 231840 270480 324576 405720 540960 811440 1622880 11334629 22669258 34003887 45338516 56673145 68007774 79342403 90677032 102011661 113346290 136015548 158684806 170019435 181354064 204023322 226692580 238027209 260696467 272031096 317369612 340038870 362708128 396712015 408046644 453385160 476054418 510058305 521392934 544062192 555396821 634739224 680077740 714081627 782089401 793424030 816093288 906770320 952108836 1020116610 1042785868 1088124384 1110793642 1190136045 1269478448 1303482335 1360155480 1428163254 1564178802 1586848060 1632186576 1666190463 1813540640 1824875269 1904217672 2040233220 2085571736 2221587284 2346268203 2380272090 2538956896 2606964670 2720310960 2776984105 2856326508 3128357604 3173696120 3264373152 3332380926 3570408135 3649750538 3808435344 3910447005 4080466440 4171143472 4443174568 4692536406 4760544180 4998571389 5213929340 5440621920 5474625807 5553968210 5712653016 6256715208 6347392240 6664761852 7140816270 7299501076 7616870688 7820894010 8160932880 8330952315 8342286944 8886349136 9124376345 9385072812 9521088360 9997142778 10427858680 10949251614 11107936420 11425306032 11731341015 12513430416 12694784480 12774126883 13329523704 14281632540 14599002152 15641788020 16321865760 16423877421 16661904630 17772698272 18248752690 18770145624 19042176720 19994285556 20855717360 21898503228 22215872840 22850612064 23462682030 24992856945 25026860832 25548253766 26659047408 27373129035 28563265080 29198004304 31283576040 32847754842 33323809260 36497505380 37540291248 38084353440 38322380649 39988571112 41711434720 43797006456 44431745680 46925364060 49985713890 51096507532 53318094816 54746258070 57126530160 58396008608 62567152080 63870634415 65695509684 66647618520 72995010760 75080582496 76644761298 79977142224 82119387105 87594012912 88863491360 93850728120 99971427780 102193015064 109492516140 114253060320 114967141947 125134304160 127741268830 131391019368 133295237040 145990021520 153289522596 159954284448 164238774210 175188025824 187701456240 191611903245 199942855560 204386030128 218985032280 229934283894 255482537660 262782038736 266590474080 291980043040 306579045192 328477548420 375402912480 383223806490 399885711120 408772060256 437970064560 459868567788 510965075320 525564077472 574835709735 613158090384 656955096840 766447612980 799771422240 875940129120 919737135576 1021930150640 1149671419470 1226316180768 1313910193680 1532895225960 1839474271152 2043860301280 2299342838940 2627820387360 3065790451920 3678948542304 4598685677880 6131580903840 9197371355760 18394742711520
• Sum of all divisors σ(n): 76195372649760
• Sum of proper divisors (its aliquot sum) s(n): 57800629938240
• 18394742711520 is an abundant number, because the sum of its proper divisors (57800629938240) is greater than itself. Its abundance is 39405887226720

Bases of 18394742711520

• Binary: 100001011101011011100000110101110010011100000₂
• Hexadecimal: 0x10BADC1AE4E0
• Base-36: 6IQFEVEG0

Squares and roots of 18394742711520

• 18394742711520 squared (18394742711520²) is 338366559423018161940710400
• 18394742711520 cubed (18394742711520³) is 6224165802768662310879469688771063808000
• The square root of 18394742711520 is 4288909.2682778917
• The cube root of 18394742711520 is 26397.6078293891

Scales and comparisons

• 18,394,742,711,520 seconds is equal to 584,895 years, 47 weeks, 5 days, 17 hours, 12 minutes.
• To count from 1 to 18,394,742,711,520 would take you about one million, four hundred sixty-two thousand, two hundred thirty-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 18394742711520 cubic inches would be around 2199.8 feet tall.

Recreational maths with 18394742711520

• 18394742711520 backwards is 02511724749381
• The number of decimal digits it has is: 14
• The sum of 18394742711520's digits is 54
• More coming soon!