1680389920

Names of 1680389920

• Cardinal: 1680389920 can be written as One billion, six hundred eighty million, three hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.68038992 × 10⁹

Factors of 1680389920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 161

Divisors of 1680389920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 29 32 40 41 44 55 58 73 80 82 88 110 116 121 145 146 160 164 176 205 220 232 242 290 292 319 328 352 365 410 440 451 464 484 580 584 605 638 656 730 803 820 880 902 928 968 1160 1168 1189 1210 1276 1312 1460 1595 1606 1640 1760 1804 1936 2117 2255 2320 2336 2378 2420 2552 2920 2993 3190 3212 3280 3509 3608 3872 4015 4234 4510 4640 4756 4840 4961 5104 5840 5945 5986 6380 6424 6560 7018 7216 8030 8468 8833 9020 9512 9680 9922 10208 10585 11680 11890 11972 12760 12848 13079 14036 14432 14965 16060 16936 17545 17666 18040 19024 19360 19844 21170 23287 23780 23944 24805 25520 25696 26158 28072 29930 32120 32923 33872 35090 35332 36080 38048 39688 42340 44165 46574 47560 47888 49610 51040 52316 56144 59860 64240 65395 65846 67744 70180 70664 72160 79376 84680 86797 88330 93148 95120 95776 99220 104632 112288 116435 119720 128480 130790 131692 140360 141328 143869 158752 164615 169360 173594 176660 186296 190240 198440 209264 232870 239440 256157 261580 263384 280720 282656 287738 329230 338720 347188 353320 362153 372592 396880 418528 433985 465740 478880 512314 523160 526768 561440 575476 658460 694376 706640 719345 724306 745184 793760 867970 931480 954767 1024628 1046320 1053536 1150952 1280785 1316920 1388752 1413280 1438690 1448612 1735940 1810765 1862960 1909534 2049256 2092640 2301904 2561570 2633840 2777504 2877380 2897224 3471880 3621530 3725920 3819068 4098512 4603808 4773835 5123140 5267680 5754760 5794448 6943760 7243060 7638136 8197024 9547670 10246280 10502437 11509520 11588896 13887520 14486120 15276272 19095340 20492560 21004874 23019040 28972240 30552544 38190680 40985120 42009748 52512185 57944480 76381360 84019496 105024370 152762720 168038992 210048740 336077984 420097480 840194960 1680389920
• Sum of all divisors σ(n): 4687547760
• Sum of proper divisors (its aliquot sum) s(n): 3007157840
• 1680389920 is an abundant number, because the sum of its proper divisors (3007157840) is greater than itself. Its abundance is 1326767920

Bases of 1680389920

• Binary: 1100100001010001011011100100000₂
• Hexadecimal: 0x6428B720
• Base-36: RSGL5S

Squares and roots of 1680389920

• 1680389920 squared (1680389920²) is 2823710283237606400
• 1680389920 cubed (1680389920³) is 4744934296952818759487488000
• The square root of 1680389920 is 40992.5593248335
• The cube root of 1680389920 is 1188.8763538369

Scales and comparisons

• 1,680,389,920 seconds is equal to 53 years, 22 weeks, 2 days, 22 hours, 58 minutes, 40 seconds.
• To count from 1 to 1,680,389,920 would take you about one hundred 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 1680389920 cubic inches would be around 99.1 feet tall.

Recreational maths with 1680389920

• 1680389920 backwards is 0299830861
• The number of decimal digits it has is: 10
• The sum of 1680389920's digits is 46
• More coming soon!