1993387920

Names of 1993387920

• Cardinal: 1993387920 can be written as One billion, nine hundred ninety-three million, three hundred eighty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.99338792 × 10⁹

Factors of 1993387920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1455

Divisors of 1993387920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 80 92 115 120 138 184 230 240 276 331 345 368 460 552 662 690 920 993 1091 1104 1324 1380 1655 1840 1986 2182 2648 2760 3273 3310 3972 4364 4965 5296 5455 5520 6546 6620 7613 7944 8728 9930 10910 13092 13240 15226 15888 16365 17456 19860 21820 22839 25093 26184 26480 30452 32730 38065 39720 43640 45678 50186 52368 60904 65460 75279 76130 79440 87280 91356 100372 114195 121808 125465 130920 150558 152260 182712 200744 228390 250930 261840 301116 304520 361121 365424 376395 401488 456780 501860 602232 609040 722242 752790 913560 1003720 1083363 1204464 1444484 1505580 1805605 1827120 2007440 2166726 2888968 3011160 3611210 4333452 5416815 5777936 6022320 7222420 8305783 8666904 10833630 14444840 16611566 17333808 21667260 24917349 28889680 33223132 41528915 43334520 49834698 66446264 83057830 86669040 99669396 124586745 132892528 166115660 199338792 249173490 332231320 398677584 498346980 664462640 996693960 1993387920
• Sum of all divisors σ(n): 6473585664
• Sum of proper divisors (its aliquot sum) s(n): 4480197744
• 1993387920 is an abundant number, because the sum of its proper divisors (4480197744) is greater than itself. Its abundance is 2486809824

Bases of 1993387920

• Binary: 1110110110100001010111110010000₂
• Hexadecimal: 0x76D0AF90
• Base-36: WYT7YO

Squares and roots of 1993387920

• 1993387920 squared (1993387920²) is 3973595399601926400
• 1993387920 cubed (1993387920³) is 7920917068534052894489088000
• The square root of 1993387920 is 44647.3730470225
• The cube root of 1993387920 is 1258.5310671923

Scales and comparisons

• 1,993,387,920 seconds is equal to 63 years, 19 weeks, 6 days, 14 hours, 52 minutes.
• To count from 1 to 1,993,387,920 would take you about one hundred twenty-six 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 1993387920 cubic inches would be around 104.9 feet tall.

Recreational maths with 1993387920

• 1993387920 backwards is 0297833991
• The number of decimal digits it has is: 10
• The sum of 1993387920's digits is 51
• More coming soon!