1809929891840

Names of 1809929891840

• Cardinal: 1809929891840 can be written as One trillion, eight hundred nine billion, nine hundred twenty-nine million, eight hundred ninety-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.80992989184 × 10¹²

Factors of 1809929891840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 159904

Divisors of 1809929891840

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 79 80 112 128 140 158 160 224 256 280 316 320 395 448 512 553 560 632 640 790 896 1024 1106 1120 1264 1280 1580 1792 2048 2212 2240 2528 2560 2765 3160 3584 4096 4424 4480 5056 5120 5530 6320 7168 8848 8960 10112 10240 11060 12640 14336 17696 17920 20224 20480 22120 25280 28672 35392 35840 40448 44240 50560 70784 71680 80896 88480 101120 141568 143360 159811 161792 176960 202240 283136 319622 323584 353920 404480 566272 639244 707840 799055 808960 1118677 1132544 1278488 1415680 1598110 1617920 2237354 2265088 2556976 2831360 3196220 4474708 5113952 5593385 5662720 6392440 8949416 10227904 11186770 11325440 12625069 12784880 17898832 20455808 22373540 25250138 25569760 35797664 40911616 44747080 50500276 51139520 63125345 71595328 81823232 88375483 89494160 101000552 102279040 126250690 143190656 163646464 176750966 178988320 202001104 204558080 252501380 286381312 327292928 353501932 357976640 404002208 409116160 441877415 505002760 572762624 654585856 707003864 715953280 808004416 818232320 883754830 1010005520 1145525248 1414007728 1431906560 1616008832 1636464640 1767509660 2020011040 2291050496 2828015456 2863813120 3232017664 3272929280 3535019320 4040022080 4582100992 5656030912 5727626240 6464035328 7070038640 8080044160 11312061824 11455252480 12928070656 14140077280 16160088320 22624123648 22910504960 25856141312 28280154560 32320176640 45248247296 51712282624 56560309120 64640353280 90496494592 113120618240 129280706560 180992989184 226241236480 258561413120 361985978368 452482472960 904964945920 1809929891840
• Sum of all divisors σ(n): 5026637153280
• Sum of proper divisors (its aliquot sum) s(n): 3216707261440
• 1809929891840 is an abundant number, because the sum of its proper divisors (3216707261440) is greater than itself. Its abundance is 1406777369600

Bases of 1809929891840

• Binary: 11010010101101000001110100111000000000000₂
• Hexadecimal: 0x1A5683A7000
• Base-36: N3GXIYGW

Squares and roots of 1809929891840

• 1809929891840 squared (1809929891840²) is 3275846213375954098585600
• 1809929891840 cubed (1809929891840³) is 5929051982660014162909839704981504000
• The square root of 1809929891840 is 1345336.3489625931
• The cube root of 1809929891840 is 12186.7317272539

Scales and comparisons

• 1,809,929,891,840 seconds is equal to 57,550 years, 8 weeks, 6 days, 15 hours, 17 minutes, 20 seconds.
• To count from 1 to 1,809,929,891,840 would take you about one hundred forty-three thousand, eight hundred seventy-five 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 1809929891840 cubic inches would be around 1015.6 feet tall.

Recreational maths with 1809929891840

• 1809929891840 backwards is 0481989299081
• The number of decimal digits it has is: 13
• The sum of 1809929891840's digits is 68
• More coming soon!