189731390920

Names of 189731390920

• Cardinal: 189731390920 can be written as One hundred eighty-nine billion, seven hundred thirty-one million, three hundred ninety thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.8973139092 × 10¹¹

Factors of 189731390920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 797

Divisors of 189731390920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 19 20 38 40 76 95 127 152 190 254 307 337 361 380 508 614 635 674 722 760 1016 1228 1270 1348 1444 1535 1685 1805 2413 2456 2540 2696 2888 3070 3370 3610 4826 5080 5833 6140 6403 6740 7220 9652 11666 12065 12280 12806 13480 14440 19304 23332 24130 25612 29165 32015 38989 42799 45847 46664 48260 51224 58330 64030 77978 85598 91694 96520 103459 110827 116660 121657 128060 155956 171196 183388 194945 206918 213995 221654 229235 233320 243314 256120 311912 342392 366776 389890 413836 427990 443308 458470 486628 517295 554135 608285 740791 779780 813181 827672 855980 886616 916940 973256 1034590 1108270 1216570 1481582 1559560 1626362 1711960 1833880 1965721 2069180 2216540 2433140 2963164 3252724 3703955 3931442 4065905 4138360 4433080 4866280 5926328 6505448 7407910 7862884 8131810 9828605 13139293 14075029 14815820 15450439 15725768 16263620 19657210 26278586 28150058 29631640 30900878 32527240 37348699 39314420 52557172 56300116 61801756 65696465 70375145 74697398 77252195 78628840 105114344 112600232 123603512 131392930 140750290 149394796 154504390 186743495 249646567 262785860 281500580 298789592 309008780 373486990 499293134 525571720 563001160 618017560 746973980 998586268 1248232835 1493947960 1997172536 2496465670 4743284773 4992931340 9486569546 9985862680 18973139092 23716423865 37946278184 47432847730 94865695460 189731390920
• Sum of all divisors σ(n): 456924948480
• Sum of proper divisors (its aliquot sum) s(n): 267193557560
• 189731390920 is an abundant number, because the sum of its proper divisors (267193557560) is greater than itself. Its abundance is 77462166640

Bases of 189731390920

• Binary: 10110000101100110111110100010111001000₂
• Hexadecimal: 0x2C2CDF45C8
• Base-36: 2F5T666G

Squares and roots of 189731390920

• 189731390920 squared (189731390920²) is 35998000700437858446400
• 189731390920 cubed (189731390920³) is 6829950743233209136061542266688000
• The square root of 189731390920 is 435581.6696326879
• The cube root of 189731390920 is 5746.1866680231

Scales and comparisons

• 189,731,390,920 seconds is equal to 6,032 years, 45 weeks, 2 days, 4 hours, 8 minutes, 40 seconds.
• To count from 1 to 189,731,390,920 would take you about twelve thousand and sixty-five 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 189731390920 cubic inches would be around 478.8 feet tall.

Recreational maths with 189731390920

• 189731390920 backwards is 029093137981
• The number of decimal digits it has is: 12
• The sum of 189731390920's digits is 52
• More coming soon!