1681988000

Names of 1681988000

• Cardinal: 1681988000 can be written as One billion, six hundred eighty-one million, nine hundred eighty-eight thousand.

Scientific notation

• Scientific notation: 1.681988 × 10⁹

Factors of 1681988000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 195

Divisors of 1681988000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 32 35 40 43 44 50 55 56 70 77 80 86 88 100 110 112 125 127 140 154 160 172 175 176 200 215 220 224 250 254 275 280 301 308 344 350 352 385 400 430 440 473 500 508 550 560 602 616 635 688 700 770 800 860 875 880 889 946 1000 1016 1075 1100 1120 1204 1232 1270 1375 1376 1397 1400 1505 1540 1720 1750 1760 1778 1892 1925 2000 2032 2150 2200 2365 2408 2464 2540 2750 2794 2800 3010 3080 3175 3311 3440 3500 3556 3784 3850 4000 4064 4300 4400 4445 4730 4816 5080 5375 5461 5500 5588 5600 6020 6160 6350 6622 6880 6985 7000 7112 7525 7568 7700 8600 8800 8890 9460 9625 9632 9779 10160 10750 10922 11000 11176 11825 12040 12320 12700 13244 13970 14000 14224 15050 15136 15400 15875 16555 17200 17780 18920 19250 19558 20320 21500 21844 22000 22225 22352 23650 24080 25400 26488 27305 27940 28000 28448 30100 30800 31750 33110 34400 34925 35560 37625 37840 38227 38500 39116 43000 43688 44000 44450 44704 47300 48160 48895 50800 52976 54610 55880 59125 60071 60200 61600 63500 66220 69850 71120 75250 75680 76454 77000 78232 82775 86000 87376 88900 94600 97790 101600 105952 109220 111125 111760 118250 120142 120400 127000 132440 136525 139700 142240 150500 152908 154000 156464 165550 172000 174625 174752 177800 189200 191135 195580 218440 222250 223520 236500 240284 240800 244475 254000 264880 273050 279400 300355 301000 305816 308000 312928 331100 349250 355600 378400 382270 391160 413875 420497 436880 444500 473000 480568 488950 508000 529760 546100 558800 600710 602000 611632 662200 682625 698500 711200 764540 782320 827750 840994 873760 889000 946000 955675 961136 977900 1092200 1117600 1201420 1204000 1222375 1223264 1324400 1365250 1397000 1501775 1529080 1564640 1655500 1681988 1778000 1892000 1911350 1922272 1955800 2102485 2184400 2402840 2444750 2648800 2730500 2794000 3003550 3058160 3311000 3363976 3556000 3822700 3911600 4204970 4368800 4778375 4805680 4889500 5461000 5588000 6007100 6116320 6622000 6727952 7508875 7645400 7823200 8409940 9556750 9611360 9779000 10512425 10922000 12014200 13244000 13455904 15017750 15290800 16819880 19113500 19558000 21024850 21844000 24028400 30035500 30581600 33639760 38227000 39116000 42049700 48056800 52562125 60071000 67279520 76454000 84099400 105124250 120142000 152908000 168198800 210248500 240284000 336397600 420497000 840994000 1681988000
• Sum of all divisors σ(n): 5313724416
• Sum of proper divisors (its aliquot sum) s(n): 3631736416
• 1681988000 is an abundant number, because the sum of its proper divisors (3631736416) is greater than itself. Its abundance is 1949748416

Bases of 1681988000

• Binary: 1100100010000010001100110100000₂
• Hexadecimal: 0x644119A0
• Base-36: RTEU8W

Squares and roots of 1681988000

• 1681988000 squared (1681988000²) is 2829083632144000000
• 1681988000 cubed (1681988000³) is 4758484720262622272000000000
• The square root of 1681988000 is 41012.0470106041
• The cube root of 1681988000 is 1189.2531151141

Scales and comparisons

• 1,681,988,000 seconds is equal to 53 years, 25 weeks, 10 hours, 53 minutes, 20 seconds.
• To count from 1 to 1,681,988,000 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 1681988000 cubic inches would be around 99.1 feet tall.

Recreational maths with 1681988000

• 1681988000 backwards is 0008891861
• The number of decimal digits it has is: 10
• The sum of 1681988000's digits is 41
• More coming soon!