161940240

Names of 161940240

• Cardinal: 161940240 can be written as One hundred sixty-one million, nine hundred forty thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.6194024 × 10⁸

Factors of 161940240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 178

Divisors of 161940240

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 23 24 28 30 33 35 36 40 42 44 45 46 48 55 56 60 63 66 69 70 72 77 80 84 88 90 92 99 105 110 112 115 120 126 127 132 138 140 144 154 161 165 168 176 180 184 198 207 210 220 230 231 240 252 253 254 264 276 280 308 315 322 330 336 345 360 368 381 385 396 414 420 440 460 462 483 495 504 506 508 528 552 560 616 630 635 644 660 690 693 720 759 762 770 792 805 828 840 880 889 920 924 966 990 1008 1012 1016 1035 1104 1143 1155 1232 1260 1265 1270 1288 1320 1380 1386 1397 1449 1518 1524 1540 1584 1610 1656 1680 1771 1778 1840 1848 1905 1932 1980 2024 2032 2070 2277 2286 2310 2415 2520 2530 2540 2576 2640 2667 2760 2772 2794 2898 2921 3036 3048 3080 3220 3312 3465 3542 3556 3696 3795 3810 3864 3960 4048 4140 4191 4445 4554 4572 4620 4830 5040 5060 5080 5313 5334 5520 5544 5588 5715 5796 5842 6072 6096 6160 6440 6930 6985 7084 7112 7245 7590 7620 7728 7920 8001 8280 8382 8763 8855 8890 9108 9144 9240 9660 9779 10120 10160 10626 10668 11088 11176 11385 11430 11592 11684 12144 12573 12880 13335 13860 13970 14168 14224 14490 14605 15180 15240 15939 16002 16560 16764 17526 17710 17780 18216 18288 18480 19320 19558 20240 20447 20955 21252 21336 22352 22770 22860 23184 23368 25146 26289 26565 26670 27720 27940 28336 28980 29210 29337 30360 30480 31878 32004 32131 33528 35052 35420 35560 36432 38640 39116 40005 40894 41910 42504 42672 43815 45540 45720 46736 48895 50292 52578 53130 53340 55440 55880 57960 58420 58674 60720 61341 62865 63756 64008 64262 67056 70104 70840 71120 78232 79695 80010 81788 83820 85008 87630 88011 91080 91440 96393 97790 100584 102235 105156 106260 106680 111760 115920 116840 117348 122682 125730 127512 128016 128524 131445 140208 141680 146685 156464 159390 160020 160655 163576 167640 175260 176022 182160 184023 192786 195580 201168 204470 210312 212520 213360 224917 233680 234696 245364 251460 255024 257048 262890 289179 293370 306705 318780 320040 321310 327152 335280 350520 352044 368046 385572 391160 408940 420624 425040 440055 449834 469392 481965 490728 502920 514096 525780 578358 586740 613410 637560 640080 642620 674751 701040 704088 736092 771144 782320 817880 880110 899668 920115 963930 981456 1005840 1051560 1124585 1156716 1173480 1226820 1275120 1285240 1349502 1408176 1445895 1472184 1542288 1635760 1760220 1799336 1840230 1927860 2024253 2103120 2249170 2313432 2346960 2453640 2570480 2699004 2891790 2944368 3373755 3520440 3598672 3680460 3855720 4048506 4498340 4626864 4907280 5398008 5783580 6747510 7040880 7360920 7711440 8097012 8996680 10121265 10796016 11567160 13495020 14721840 16194024 17993360 20242530 23134320 26990040 32388048 40485060 53980080 80970120 161940240
• Sum of all divisors σ(n): 713097216
• Sum of proper divisors (its aliquot sum) s(n): 551156976
• 161940240 is an abundant number, because the sum of its proper divisors (551156976) is greater than itself. Its abundance is 389216736

Bases of 161940240

• Binary: 1001101001110000001100010000₂
• Hexadecimal: 0x9A70310
• Base-36: 2OEXW0

Squares and roots of 161940240

• 161940240 squared (161940240²) is 26224641331257600
• 161940240 cubed (161940240³) is 4246824711097775245824000
• The square root of 161940240 is 12725.5742503039
• The cube root of 161940240 is 545.0691380459

Scales and comparisons

• 161,940,240 seconds is equal to 5 years, 7 weeks, 5 days, 7 hours, 24 minutes.
• To count from 1 to 161,940,240 would take you about 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 161940240 cubic inches would be around 45.4 feet tall.

Recreational maths with 161940240

• 161940240 backwards is 042049161
• The number of decimal digits it has is: 9
• The sum of 161940240's digits is 27
• More coming soon!