161329805000

Names of 161329805000

• Cardinal: 161329805000 can be written as One hundred sixty-one billion, three hundred twenty-nine million, eight hundred five thousand.

Scientific notation

• Scientific notation: 1.61329805 × 10¹¹

Factors of 161329805000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 64

Divisors of 161329805000

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 25 26 28 35 37 40 49 50 52 56 65 70 74 91 98 100 104 125 130 140 148 175 182 185 196 200 245 250 259 260 280 296 325 350 364 370 392 455 481 490 500 518 520 625 637 650 700 728 740 875 910 925 962 980 1000 1036 1225 1250 1274 1295 1300 1369 1400 1480 1625 1750 1813 1820 1850 1924 1960 2072 2275 2405 2450 2500 2548 2590 2600 2738 3185 3250 3367 3500 3626 3640 3700 3848 4375 4550 4625 4810 4900 5000 5096 5180 5476 6125 6370 6475 6500 6734 6845 7000 7252 7400 8125 8750 9065 9100 9250 9583 9620 9800 10360 10952 11375 12025 12250 12740 12950 13000 13468 13690 14504 15925 16250 16835 17500 17797 18130 18200 18500 19166 19240 22750 23125 23569 24050 24500 25480 25900 26936 27380 30625 31850 32375 32500 33670 34225 35000 35594 36260 37000 38332 45325 45500 46250 47138 47915 48100 49000 50653 51800 54760 56875 60125 61250 63700 64750 65000 67081 67340 68450 71188 72520 76664 79625 84175 88985 90650 91000 92500 94276 95830 96200 101306 113750 117845 120250 122500 124579 127400 129500 134162 134680 136900 142376 159250 161875 168350 171125 177970 181300 185000 188552 191660 202612 226625 227500 235690 239575 240500 245000 249158 253265 259000 268324 273800 300625 318500 323750 335405 336700 342250 354571 355940 362600 383320 398125 405224 420875 444925 453250 455000 471380 479150 481000 498316 506530 536648 589225 601250 622895 637000 647500 658489 670810 673400 684500 709142 711880 796250 841750 855625 872053 889850 906500 942760 958300 996632 1013060 1133125 1178450 1197875 1202500 1245790 1266325 1295000 1316978 1341620 1369000 1418284 1592500 1677025 1683500 1711250 1744106 1772855 1779700 1813000 1916600 2026120 2104375 2224625 2266250 2356900 2395750 2405000 2481997 2491580 2532650 2633956 2683240 2836568 2946125 3114475 3185000 3292445 3354050 3367000 3422500 3488212 3545710 3559400 4208750 4360265 4449250 4532500 4609423 4713800 4791500 4963994 4983160 5065300 5267912 5892250 5989375 6228950 6331625 6584890 6708100 6845000 6976424 7091420 8385125 8417500 8720530 8864275 8898500 9065000 9218846 9583000 9927988 10130600 11123125 11784500 11978750 12409985 12457900 12663250 13169780 13416200 14182840 14730625 15572375 16462225 16770250 16835000 17441060 17728550 17797000 18437692 19855976 21801325 22246250 23047115 23569000 23957500 24819970 24915800 25326500 26339560 29461250 31144750 31658125 32265961 32924450 33540500 34882120 35457100 36875384 41925625 43602650 44321375 44492500 46094230 47915000 49639940 50653000 58922500 62049925 62289500 63316250 64531922 65848900 67081000 70914200 77861875 82311125 83851250 87205300 88642750 88985000 92188460 99279880 109006625 115235575 117845000 124099850 124579000 126632500 129063844 131697800 155723750 161329805 164622250 167702500 174410600 177285500 184376920 218013250 221606875 230471150 248199700 253265000 258127688 310249625 311447500 322659610 329244500 335405000 354571000 411555625 436026500 443213750 460942300 496399400 545033125 576177875 620499250 622895000 645319220 658489000 806649025 823111250 872053000 886427500 921884600 1090066250 1152355750 1240998500 1290638440 1551248125 1613298050 1646222500 1772855000 2180132500 2304711500 2481997000 2880889375 3102496250 3226596100 3292445000 4033245125 4360265000 4609423000 5761778750 6204992500 6453192200 8066490250 11523557500 12409985000 16132980500 20166225625 23047115000 32265961000 40332451250 80664902500 161329805000
• Sum of all divisors σ(n): 486686554200
• Sum of proper divisors (its aliquot sum) s(n): 325356749200
• 161329805000 is an abundant number, because the sum of its proper divisors (325356749200) is greater than itself. Its abundance is 164026944200

Bases of 161329805000

• Binary: 10010110010000000000010111011011001000₂
• Hexadecimal: 0x25900176C8
• Base-36: 2243LM88

Squares and roots of 161329805000

• 161329805000 squared (161329805000²) is 26027305981338025000000
• 161329805000 cubed (161329805000³) is 4198980198644597212335125000000000
• The square root of 161329805000 is 401658.8166591143
• The cube root of 161329805000 is 5443.8339489313

Scales and comparisons

• 161,329,805,000 seconds is equal to 5,129 years, 41 weeks, 2 hours, 43 minutes, 20 seconds.
• To count from 1 to 161,329,805,000 would take you about ten thousand, two hundred fifty-nine 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 161329805000 cubic inches would be around 453.7 feet tall.

Recreational maths with 161329805000

• 161329805000 backwards is 000508923161
• 161329805000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161329805000's digits is 35
• More coming soon!