1218900563432820

Names of 1218900563432820

• Cardinal: 1218900563432820 can be written as One quadrillion, two hundred eighteen trillion, nine hundred billion, five hundred sixty-three million, four hundred thirty-two thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.21890056343282 × 10¹⁵

Factors of 1218900563432820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 289474509

Divisors of 1218900563432820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 149 157 180 298 314 447 471 596 628 745 785 894 942 1341 1413 1490 1570 1788 1884 2235 2355 2682 2826 2980 3140 4470 4710 5364 5652 6705 7065 8940 9420 13410 14130 23393 26820 28260 46786 70179 93572 116965 140358 210537 233930 280716 350895 421074 467860 701790 842148 1052685 1403580 2105370 4210740 289474193 578948386 868422579 1157896772 1447370965 1736845158 2605267737 2894741930 3473690316 4342112895 5210535474 5789483860 8684225790 10421070948 13026338685 17368451580 26052677370 43131654757 45447448301 52105354740 86263309514 90894896602 129394964271 136342344903 172526619028 181789793204 215658273785 227237241505 258789928542 272684689806 388184892813 409027034709 431316547570 454474483010 517579857084 545369379612 646974821355 681711724515 776369785626 818054069418 862633095140 908948966020 1293949642710 1363423449030 1552739571252 1636108138836 1940924464065 2045135173545 2587899285420 2726846898060 3881848928130 4090270347090 6771669796849 7763697856260 8180540694180 13543339593698 20315009390547 27086679187396 33858348984245 40630018781094 60945028171641 67716697968490 81260037562188 101575046952735 121890056343282 135433395936980 203150093905470 243780112686564 304725140858205 406300187810940 609450281716410 1218900563432820
• Sum of all divisors σ(n): 3745853965198800
• Sum of proper divisors (its aliquot sum) s(n): 2526953401765980
• 1218900563432820 is an abundant number, because the sum of its proper divisors (2526953401765980) is greater than itself. Its abundance is 1308052838333160

Bases of 1218900563432820

• Binary: 100010101001001010101100111000110011001010101110100₂
• Hexadecimal: 0x4549567199574
• Base-36: C02B6SDYT0

Squares and roots of 1218900563432820

• 1218900563432820 squared (1218900563432820²) is 1485718583536846052542653152400
• 1218900563432820 cubed (1218900563432820³) is 1810943218575672902014985217435595938621768000
• The square root of 1218900563432820 is 34912756.4571006051
• The cube root of 1218900563432820 is 106820.8655359113

Scales and comparisons

• 1,218,900,563,432,820 seconds is equal to 38,757,267 years, 31 weeks, 5 days, 2 hours, 27 minutes.
• To count from 1 to 1,218,900,563,432,820 would take you about one hundred sixteen million, two hundred seventy-one thousand, eight hundred two 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 1218900563432820 cubic inches would be around 8901.7 feet tall.

Recreational maths with 1218900563432820

• 1218900563432820 backwards is 0282343650098121
• The number of decimal digits it has is: 16
• The sum of 1218900563432820's digits is 54
• More coming soon!