1998994130

Names of 1998994130

• Cardinal: 1998994130 can be written as One billion, nine hundred ninety-eight million, nine hundred ninety-four thousand, one hundred thirty.

Scientific notation

• Scientific notation: 1.99899413 × 10⁹

Factors of 1998994130

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 528

Divisors of 1998994130

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 17 34 35 47 70 85 94 103 119 170 206 235 238 329 347 470 515 595 658 694 721 799 1030 1190 1442 1598 1645 1735 1751 2429 3290 3470 3502 3605 3995 4841 4858 5593 5899 7210 7990 8755 9682 11186 11798 12145 12257 16309 17510 24205 24290 24514 27965 29495 32618 33887 35741 41293 48410 55930 58990 61285 67774 71482 81545 82297 82586 114163 122570 163090 164594 169435 178705 206465 228326 250187 277253 338870 357410 411485 412930 500374 554506 570815 576079 607597 822970 1141630 1152158 1215194 1250935 1386265 1679827 1940771 2501870 2772530 2880395 3037985 3359654 3881542 4253179 5760790 6075970 8399135 8506358 9703855 11758789 16798270 19407710 21265895 23517578 28557059 42531790 57114118 58793945 117587890 142785295 199899413 285570590 399798826 999497065 1998994130
• Sum of all divisors σ(n): 4502863872
• Sum of proper divisors (its aliquot sum) s(n): 2503869742
• 1998994130 is an abundant number, because the sum of its proper divisors (2503869742) is greater than itself. Its abundance is 504875612

Bases of 1998994130

• Binary: 1110111001001100011101011010010₂
• Hexadecimal: 0x77263AD2
• Base-36: X25DQQ

Squares and roots of 1998994130

• 1998994130 squared (1998994130²) is 3995977531774456900
• 1998994130 cubed (1998994130³) is 7987935629629027827037997000
• The square root of 1998994130 is 44710.1121671597
• The cube root of 1998994130 is 1259.7097950107

Scales and comparisons

• 1,998,994,130 seconds is equal to 63 years, 29 weeks, 1 day, 12 hours, 8 minutes, 50 seconds.
• To count from 1 to 1,998,994,130 would take you about one hundred twenty-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 1998994130 cubic inches would be around 105 feet tall.

Recreational maths with 1998994130

• 1998994130 backwards is 0314998991
• The number of decimal digits it has is: 10
• The sum of 1998994130's digits is 53
• More coming soon!