997421040

Names of 997421040

• Cardinal: 997421040 can be written as Nine hundred ninety-seven million, four hundred twenty-one thousand and forty.

Scientific notation

• Scientific notation: 9.9742104 × 10⁸

Factors of 997421040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2027

Divisors of 997421040

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 33 35 36 40 42 44 45 48 54 55 56 60 63 66 70 72 77 80 81 84 88 90 99 105 108 110 112 120 126 132 135 140 144 154 162 165 168 176 180 189 198 210 216 220 231 240 252 264 270 280 297 308 315 324 330 336 360 378 385 396 405 420 432 440 462 495 504 528 540 560 567 594 616 630 648 660 693 720 756 770 792 810 840 880 891 924 945 990 1008 1080 1134 1155 1188 1232 1260 1296 1320 1386 1485 1512 1540 1584 1620 1680 1782 1848 1890 1980 1999 2079 2160 2268 2310 2376 2520 2640 2772 2835 2970 3024 3080 3240 3465 3564 3696 3780 3960 3998 4158 4455 4536 4620 4752 5040 5544 5670 5940 5997 6160 6237 6480 6930 7128 7560 7920 7996 8316 8910 9072 9240 9995 10395 11088 11340 11880 11994 12474 13860 13993 14256 15120 15992 16632 17820 17991 18480 19990 20790 21989 22680 23760 23988 24948 27720 27986 29985 31185 31984 33264 35640 35982 39980 41580 41979 43978 45360 47976 49896 53973 55440 55972 59970 62370 65967 69965 71280 71964 79960 83160 83958 87956 89955 95952 99792 107946 109945 111944 119940 124740 125937 131934 139930 143928 153923 159920 161919 166320 167916 175912 179910 197901 209895 215892 219890 223888 239880 249480 251874 263868 269865 279860 287856 307846 323838 329835 335832 351824 359820 377811 395802 419790 431784 439780 461769 479760 498960 503748 527736 539730 559720 593703 615692 629685 647676 659670 671664 719640 755622 769615 791604 809595 839580 863568 879560 923538 989505 1007496 1055472 1079460 1119440 1133433 1187406 1231384 1259370 1295352 1319340 1385307 1439280 1511244 1539230 1583208 1619190 1679160 1759120 1781109 1847076 1889055 1979010 2014992 2158920 2266866 2308845 2374812 2462768 2518740 2590704 2638680 2770614 2968515 3022488 3078460 3166416 3238380 3358320 3562218 3694152 3778110 3958020 4155921 4317840 4533732 4617690 4749624 5037480 5277360 5541228 5667165 5937030 6044976 6156920 6476760 6926535 7124436 7388304 7556220 7916040 8311842 8905545 9067464 9235380 9499248 10074960 11082456 11334330 11874060 12313840 12467763 12953520 13853070 14248872 15112440 15832080 16623684 17811090 18134928 18470760 20779605 22164912 22668660 23748120 24935526 27706140 28497744 30224880 33247368 35622180 36941520 41559210 45337320 47496240 49871052 55412280 62338815 66494736 71244360 83118420 90674640 99742104 110824560 124677630 142488720 166236840 199484208 249355260 332473680 498710520 997421040
• Sum of all divisors σ(n): 4321152000
• Sum of proper divisors (its aliquot sum) s(n): 3323730960
• 997421040 is an abundant number, because the sum of its proper divisors (3323730960) is greater than itself. Its abundance is 2326309920

Bases of 997421040

• Binary: 111011011100110110111111110000₂
• Hexadecimal: 0x3B736FF0
• Base-36: GHU700

Squares and roots of 997421040

• 997421040 squared (997421040²) is 994848731034681600
• 997421040 cubed (997421040³) is 992283055951292397540864000
• The square root of 997421040 is 31581.9733392327
• The cube root of 997421040 is 999.1396066021

Scales and comparisons

• 997,421,040 seconds is equal to 31 years, 37 weeks, 1 day, 5 hours, 24 minutes.
• To count from 1 to 997,421,040 would take you about forty-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 997421040 cubic inches would be around 83.3 feet tall.

Recreational maths with 997421040

• 997421040 backwards is 040124799
• 997421040 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 997421040's digits is 36
• More coming soon!