18478797831948

Names of 18478797831948

• Cardinal: 18478797831948 can be written as Eighteen trillion, four hundred seventy-eight billion, seven hundred ninety-seven million, eight hundred thirty-one thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 1.8478797831948 × 10¹³

Factors of 18478797831948

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 358

Divisors of 18478797831948

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 12 73 89 146 178 191 219 267 292 356 382 438 534 573 764 876 1068 1146 2292 5329 6497 7921 10658 12994 13943 15842 15987 16999 19491 21316 23763 25988 27886 31684 31974 33998 36481 38982 41829 47526 50997 55772 63948 67996 72962 77964 83658 95052 101994 109443 145924 167316 203988 218886 437772 474281 578233 948562 1017839 1156466 1240927 1422843 1512911 1734699 1897124 2035678 2312932 2481854 2663113 2845686 3025822 3053517 3246809 3469398 3722781 4071356 4538733 4963708 5326226 5691372 6051644 6107034 6493618 6938796 7445562 7989339 9077466 9740427 10652452 12214068 12987236 14891124 15978678 18154932 19480854 31957356 38961708 42211009 84422018 90587671 110442503 126633027 168844036 181175342 194407249 220885006 237017057 253266054 271763013 288966001 331327509 362350684 388814498 441770012 474034114 506532108 543526026 577932002 583221747 662655018 711051171 777628996 866898003 948068228 1087052052 1155864004 1166443494 1325310036 1422102342 1733796006 2332886988 2844204684 3467592012 8062302719 16124605438 17302245161 21094518073 24186908157 32249210876 34604490322 42189036146 48373816314 51906735483 63283554219 69208980644 84378072292 96747632628 103813470966 126567108438 207626941932 253134216876 1539899819329 3079799638658 4619699457987 6159599277316 9239398915974 18478797831948
• Sum of all divisors σ(n): 44445333475452
• Sum of proper divisors (its aliquot sum) s(n): 25966535643504
• 18478797831948 is an abundant number, because the sum of its proper divisors (25966535643504) is greater than itself. Its abundance is 7487737811556

Bases of 18478797831948

• Binary: 100001100111001101110001011100011111100001100₂
• Hexadecimal: 0x10CE6E2E3F0C
• Base-36: 6JT1J4CGC

Squares and roots of 18478797831948

• 18478797831948 squared (18478797831948²) is 341465969314006105249474704
• 18478797831948 cubed (18478797831948³) is 6309880613443678314514428661941069043392
• The square root of 18478797831948 is 4298697.2249680483
• The cube root of 18478797831948 is 26437.7548611643

Scales and comparisons

• 18,478,797,831,948 seconds is equal to 587,568 years, 31 weeks, 5 days, 21 hours, 45 minutes, 48 seconds.
• To count from 1 to 18,478,797,831,948 would take you about one million, four hundred sixty-eight thousand, nine hundred twenty-one 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 18478797831948 cubic inches would be around 2203.1 feet tall.

Recreational maths with 18478797831948

• 18478797831948 backwards is 84913879787481
• The number of decimal digits it has is: 14
• The sum of 18478797831948's digits is 84
• More coming soon!