18934140940

Names of 18934140940

• Cardinal: 18934140940 can be written as Eighteen billion, nine hundred thirty-four million, one hundred forty thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.893414094 × 10¹⁰

Factors of 18934140940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 145

Divisors of 18934140940

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 10 11 13 20 22 26 31 44 52 55 62 65 83 110 124 130 143 155 166 220 260 286 310 332 341 403 415 572 620 682 715 806 830 913 961 1079 1364 1430 1612 1660 1705 1826 1922 2015 2158 2573 2860 3410 3652 3844 4030 4316 4433 4565 4805 5146 5395 6820 6889 8060 8866 9130 9610 10292 10571 10790 11869 12493 12865 13778 17732 18260 19220 21142 21580 22165 23738 24986 25730 27556 28303 33449 34445 42284 44330 47476 49972 51460 52855 56606 59345 62465 66898 68890 75779 79763 88660 89557 105710 113212 118690 124930 133796 137423 137780 141515 151558 159526 167245 179114 211420 213559 237380 249860 274846 283030 303116 319052 334490 358228 367939 378895 398815 427118 447785 549692 566060 668980 687115 735878 757790 797630 854236 877393 895570 985127 1036919 1067795 1374230 1471756 1515580 1595260 1754786 1791140 1839695 1970254 2073838 2135590 2349149 2748460 2776267 3509572 3679390 3940508 4147676 4271180 4386965 4698298 4925635 5184595 5552534 6620329 7358780 8773930 9396596 9851270 10369190 11105068 11406109 11745745 13240658 13881335 17547860 19702540 20738380 22812218 23491490 26481316 27762670 30538937 33101645 45624436 46982980 55525340 57030545 61077874 66203290 72823619 86064277 114061090 122155748 132406580 145647238 152694685 172128554 228122180 291294476 305389370 344257108 364118095 430321385 610778740 728236190 860642770 946707047 1456472380 1721285540 1893414094 3786828188 4733535235 9467070470 18934140940
• Sum of all divisors σ(n): 48857077584
• Sum of proper divisors (its aliquot sum) s(n): 29922936644
• 18934140940 is an abundant number, because the sum of its proper divisors (29922936644) is greater than itself. Its abundance is 10988795704

Bases of 18934140940

• Binary: 10001101000100100000001000000001100₂
• Hexadecimal: 0x46890100C
• Base-36: 8P4WCNG

Squares and roots of 18934140940

• 18934140940 squared (18934140940²) is 358501693135784083600
• 18934140940 cubed (18934140940³) is 6787921585061566396291142584000
• The square root of 18934140940 is 137601.3842226887
• The cube root of 18934140940 is 2665.3149492785

Scales and comparisons

• 18,934,140,940 seconds is equal to 602 years, 2 weeks, 3 days, 3 hours, 35 minutes, 40 seconds.
• To count from 1 to 18,934,140,940 would take you about one thousand, two hundred four 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 18934140940 cubic inches would be around 222.1 feet tall.

Recreational maths with 18934140940

• 18934140940 backwards is 04904143981
• The number of decimal digits it has is: 11
• The sum of 18934140940's digits is 43
• More coming soon!