163188742990

Names of 163188742990

• Cardinal: 163188742990 can be written as One hundred sixty-three billion, one hundred eighty-eight million, seven hundred forty-two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.6318874299 × 10¹¹

Factors of 163188742990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3977

Divisors of 163188742990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 13 14 19 26 35 38 49 65 70 91 95 98 130 133 182 190 245 247 266 343 455 490 494 637 665 686 910 931 1235 1274 1330 1715 1729 1862 2401 2470 3185 3430 3458 3931 4459 4655 4802 6370 6517 7862 8645 8918 9310 12005 12103 13034 16807 17290 19655 22295 24010 24206 27517 31213 32585 33614 39310 44590 45619 51103 55034 60515 62426 65170 74689 84035 84721 91238 102206 121030 137585 149378 156065 168070 169442 192619 218491 228095 255515 275170 312130 319333 357721 373445 385238 423605 436982 456190 511030 522823 593047 638666 715442 746890 847210 963095 970957 1045646 1092455 1186094 1348333 1596665 1788605 1926190 1941914 2184910 2504047 2614115 2696666 2965235 3193330 3577210 3659761 4151329 4854785 5008094 5228230 5930470 6741665 6796699 7319522 8302658 9438331 9709570 12520235 13483330 13593398 17528329 18298805 18876662 20756645 25040470 25618327 33983495 35056658 36597610 41513290 47191655 47576893 51236654 66068317 67966990 87641645 94383310 95153786 122698303 128091635 132136634 175283290 179328289 237884465 245396606 256183270 330341585 333038251 358656578 475768930 613491515 660683170 666076502 858888121 896641445 1226983030 1255298023 1665191255 1717776242 1793282890 2331267757 2510596046 3330382510 4294440605 4662535514 6276490115 8588881210 11656338785 12552980230 16318874299 23312677570 32637748598 81594371495 163188742990
• Sum of all divisors σ(n): 388577226240
• Sum of proper divisors (its aliquot sum) s(n): 225388483250
• 163188742990 is an abundant number, because the sum of its proper divisors (225388483250) is greater than itself. Its abundance is 62199740260

Bases of 163188742990

• Binary: 10010111111110110011101001101101001110₂
• Hexadecimal: 0x25FECE9B4E
• Base-36: 22YUD3YM

Squares and roots of 163188742990

• 163188742990 squared (163188742990²) is 26630565838656274140100
• 163188742990 cubed (163188742990³) is 4345808564322752527599762152899000
• The square root of 163188742990 is 403966.2646682269
• The cube root of 163188742990 is 5464.6631814599

Scales and comparisons

• 163,188,742,990 seconds is equal to 5,188 years, 46 weeks, 4 days, 14 hours, 23 minutes, 10 seconds.
• To count from 1 to 163,188,742,990 would take you about ten thousand, three hundred seventy-seven 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 163188742990 cubic inches would be around 455.4 feet tall.

Recreational maths with 163188742990

• 163188742990 backwards is 099247881361
• The number of decimal digits it has is: 12
• The sum of 163188742990's digits is 58
• More coming soon!