1218128062257988

Names of 1218128062257988

• Cardinal: 1218128062257988 can be written as One quadrillion, two hundred eighteen trillion, one hundred twenty-eight billion, sixty-two million, two hundred fifty-seven thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.218128062257988 × 10¹⁵

Factors of 1218128062257988

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 653

Divisors of 1218128062257988

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 14 28 49 73 98 146 196 292 343 511 571 686 1022 1142 1372 2044 2284 2401 3577 3997 4802 5329 7154 7994 9604 10658 14308 15988 21316 25039 27979 37303 41683 50078 55958 74606 83366 100156 111916 149212 166732 175273 195853 261121 291781 326041 350546 389017 391706 522242 583562 652082 701092 778034 783412 1044484 1167124 1304164 1370971 1556068 1827847 2042467 2282287 2723119 2741942 3042859 3655694 4084934 4564574 5446238 5483884 6085718 7311388 8169868 9129148 10892476 12171436 12794929 14297269 15976009 19061833 21300013 23800993 25589858 28594538 31952018 38123666 42600026 47601986 51179716 57189076 63904036 76247332 85200052 95203972 100080883 111832063 133432831 149100091 166606951 200161766 222128707 223664126 266865662 298200182 333213902 400323532 444257414 447328252 533731324 596400364 666427804 782824441 888514828 934029817 1043700637 1166248657 1554900949 1565648882 1737472489 1868059634 2087401274 2332497314 3109801898 3131297764 3474944978 3736119268 4174802548 4664994628 6219603796 6949889956 7305904459 8163740599 10884306643 12162307423 14611808918 16327481198 21768613286 24324614846 29223617836 32654962396 43537226572 48649229692 57146184193 76190146501 85136151961 114292368386 126835491697 152380293002 170272303922 228584736772 253670983394 304760586004 340544607844 507341966788 533331025507 595953063727 887848441879 1066662051014 1191906127454 1775696883758 2133324102028 2383812254908 3551393767516 4171671446089 6214939093153 8343342892178 12429878186306 16686685784356 24859756372612 43504573652071 87009147304142 174018294608284 304532015564497 609064031128994 1218128062257988
• Sum of all divisors σ(n): 2525826668312220
• Sum of proper divisors (its aliquot sum) s(n): 1307698606054232
• 1218128062257988 is an abundant number, because the sum of its proper divisors (1307698606054232) is greater than itself. Its abundance is 89570543796244

Bases of 1218128062257988

• Binary: 100010100111110000110001010011100010001101101000100₂
• Hexadecimal: 0x453E18A711B44
• Base-36: BZSGB14THG

Squares and roots of 1218128062257988

• 1218128062257988 squared (1218128062257988²) is 1483835976060400688985069808144
• 1218128062257988 cubed (1218128062257988³) is 1807502242227146162008718485279042726591454272
• The square root of 1218128062257988 is 34901691.3953749235
• The cube root of 1218128062257988 is 106798.2941888445

Scales and comparisons

• 1,218,128,062,257,988 seconds is equal to 38,732,704 years, 24 weeks, 6 hours, 46 minutes, 28 seconds.
• To count from 1 to 1,218,128,062,257,988 would take you about one hundred sixteen million, one hundred ninety-eight thousand, one hundred thirteen 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 1218128062257988 cubic inches would be around 8899.9 feet tall.

Recreational maths with 1218128062257988

• 1218128062257988 backwards is 8897522608218121
• The number of decimal digits it has is: 16
• The sum of 1218128062257988's digits is 70
• More coming soon!