842131840

Names of 842131840

• Cardinal: 842131840 can be written as Eight hundred forty-two million, one hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.4213184 × 10⁸

Factors of 842131840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 169

Divisors of 842131840

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 37 40 44 53 55 61 64 74 80 88 106 110 122 128 148 160 176 185 212 220 244 265 296 305 320 352 370 407 424 440 488 530 583 592 610 640 671 704 740 814 848 880 976 1060 1166 1184 1220 1342 1408 1480 1628 1696 1760 1952 1961 2035 2120 2257 2332 2368 2440 2684 2915 2960 3233 3256 3355 3392 3520 3904 3922 4070 4240 4514 4664 4736 4880 5368 5830 5920 6466 6512 6710 6784 7040 7808 7844 8140 8480 9028 9328 9760 9805 10736 11285 11660 11840 12932 13024 13420 15688 16165 16280 16960 18056 18656 19520 19610 21472 21571 22570 23320 23680 24827 25864 26048 26840 31376 32330 32560 33920 35563 36112 37312 39040 39220 42944 43142 45140 46640 49654 51728 52096 53680 62752 64660 65120 71126 72224 74624 78440 85888 86284 90280 93280 99308 103456 107360 107855 119621 124135 125504 129320 130240 142252 144448 156880 172568 177815 180560 186560 198616 206912 214720 215710 239242 248270 251008 258640 260480 284504 288896 313760 345136 355630 361120 373120 397232 413824 429440 431420 478484 496540 517280 569008 598105 627520 690272 711260 722240 794464 862840 956968 993080 1034560 1138016 1196210 1255040 1315831 1380544 1422520 1444480 1588928 1725680 1913936 1986160 2069120 2276032 2392420 2631662 2761088 2845040 3177856 3451360 3827872 3972320 4552064 4784840 5263324 5690080 6579155 6902720 7655744 7944640 9569680 10526648 11380160 13158310 13805440 15311488 15889280 19139360 21053296 22760320 26316620 38278720 42106592 52633240 76557440 84213184 105266480 168426368 210532960 421065920 842131840
• Sum of all divisors σ(n): 2335832640
• Sum of proper divisors (its aliquot sum) s(n): 1493700800
• 842131840 is an abundant number, because the sum of its proper divisors (1493700800) is greater than itself. Its abundance is 651568960

Bases of 842131840

• Binary: 110010001100011110100110000000₂
• Hexadecimal: 0x3231E980
• Base-36: DXDT34

Squares and roots of 842131840

• 842131840 squared (842131840²) is 709186035941785600
• 842131840 cubed (842131840³) is 597228141349962040213504000
• The square root of 842131840 is 29019.5079213965
• The cube root of 842131840 is 944.3363256265

Scales and comparisons

• 842,131,840 seconds is equal to 26 years, 40 weeks, 2 days, 21 hours, 30 minutes, 40 seconds.
• To count from 1 to 842,131,840 would take you about forty 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 842131840 cubic inches would be around 78.7 feet tall.

Recreational maths with 842131840

• 842131840 backwards is 048131248
• The number of decimal digits it has is: 9
• The sum of 842131840's digits is 31
• More coming soon!