1985821839872

Names of 1985821839872

• Cardinal: 1985821839872 can be written as One trillion, nine hundred eighty-five billion, eight hundred twenty-one million, eight hundred thirty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.985821839872 × 10¹²

Factors of 1985821839872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 985

Divisors of 1985821839872

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 13 16 26 29 32 52 58 64 104 116 128 169 208 232 256 338 377 416 464 512 676 754 832 841 928 941 1352 1508 1664 1682 1856 1882 2704 3016 3328 3364 3712 3764 4901 5408 6032 6656 6728 7424 7528 9802 10816 10933 12064 12233 13456 14848 15056 19604 21632 21866 24128 24389 24466 26912 27289 30112 39208 43264 43732 48256 48778 48932 53824 54578 60224 78416 86528 87464 96512 97556 97864 107648 109156 120448 142129 156832 159029 174928 193024 195112 195728 215296 218312 240896 284258 313664 317057 318058 349856 354757 390224 391456 430592 436624 481792 568516 627328 634114 636116 699712 709514 780448 782912 791381 873248 1137032 1254656 1268228 1272232 1399424 1419028 1560896 1565824 1582762 1746496 2274064 2509312 2536456 2544464 2798848 2838056 3121792 3131648 3165524 3492992 4121741 4548128 4611841 5072912 5088928 5597696 5676112 6243584 6263296 6331048 6985984 8243482 9096256 9223682 10145824 10177856 10287953 11352224 12487168 12662096 13971968 16486964 18192512 18447364 20291648 20355712 20575906 22704448 22950049 25324192 32973928 36385024 36894728 40583296 40711424 41151812 45408896 45900098 50648384 65947856 72770048 73789456 81166592 81422848 82303624 90817792 91800196 101296768 131895712 133743389 147578912 162333184 164607248 181635584 183600392 202593536 263791424 267486778 295157824 298350637 329214496 367200784 405187072 527582848 534973556 590315648 596701274 658428992 734401568 1055165696 1069947112 1180631296 1193402548 1316857984 1468803136 2110331392 2139894224 2361262592 2386805096 2633715968 2937606272 3878558281 4279788448 4773610192 5267431936 5875212544 7757116562 8559576896 9547220384 11750425088 15514233124 17119153792 19094440768 31028466248 34238307584 38188881536 62056932496 68476615168 76377763072 124113864992 152755526144 248227729984 496455459968 992910919936 1985821839872
• Sum of all divisors σ(n): 4454623178280
• Sum of proper divisors (its aliquot sum) s(n): 2468801338408
• 1985821839872 is an abundant number, because the sum of its proper divisors (2468801338408) is greater than itself. Its abundance is 482979498536

Bases of 1985821839872

• Binary: 11100111001011100001101001001001000000000₂
• Hexadecimal: 0x1CE5C349200
• Base-36: PC9V1U68

Squares and roots of 1985821839872

• 1985821839872 squared (1985821839872²) is 3943488379712615208976384
• 1985821839872 cubed (1985821839872³) is 7831065349714757692898252644677582848
• The square root of 1985821839872 is 1409191.9102350823
• The cube root of 1985821839872 is 12569.3675972301

Scales and comparisons

• 1,985,821,839,872 seconds is equal to 63,142 years, 51 weeks, 4 days, 1 hour, 44 minutes, 32 seconds.
• To count from 1 to 1,985,821,839,872 would take you about one hundred fifty-seven thousand, eight hundred fifty-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 1985821839872 cubic inches would be around 1047.4 feet tall.

Recreational maths with 1985821839872

• 1985821839872 backwards is 2789381285891
• The number of decimal digits it has is: 13
• The sum of 1985821839872's digits is 71
• More coming soon!