18446864040

Names of 18446864040

• Cardinal: 18446864040 can be written as Eighteen billion, four hundred forty-six million, eight hundred sixty-four thousand and forty.

Scientific notation

• Scientific notation: 1.844686404 × 10¹⁰

Factors of 18446864040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 241

Divisors of 18446864040

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 29 30 33 36 40 44 45 55 58 60 66 72 87 88 90 99 110 116 120 132 145 165 174 180 191 198 220 232 261 264 290 319 330 348 360 382 396 435 440 495 522 573 580 638 660 696 764 792 841 870 955 957 990 1044 1146 1160 1276 1305 1320 1528 1595 1682 1719 1740 1910 1914 1980 2088 2101 2292 2523 2552 2610 2865 2871 3190 3364 3438 3480 3820 3828 3960 4202 4205 4584 4785 5046 5220 5539 5730 5742 6303 6380 6728 6876 7569 7640 7656 8404 8410 8595 9251 9570 10092 10440 10505 11078 11460 11484 12606 12615 12760 13752 14355 15138 16617 16808 16820 17190 18502 18909 19140 20184 21010 22156 22920 22968 24389 25212 25230 27695 27753 28710 30276 31515 33234 33640 34380 37004 37818 37845 38280 42020 44312 46255 48778 49851 50424 50460 55390 55506 57420 60552 60929 63030 66468 68760 73167 74008 75636 75690 83085 83259 84040 92510 94545 97556 99702 100920 110780 111012 114840 121858 121945 126060 132936 138765 146334 151272 151380 160631 166170 166518 182787 185020 189090 195112 199404 219501 221560 222024 243716 243890 249255 252120 268279 277530 292668 302760 304645 321262 332340 333036 365574 365835 370040 378180 398808 416295 439002 481893 487432 487780 498510 536558 548361 555060 585336 609290 642524 664680 666072 731148 731670 756360 803155 804837 832590 878004 913935 963786 975560 997020 1073116 1096722 1097505 1110120 1218580 1285048 1341395 1445679 1462296 1463340 1606310 1609674 1665180 1756008 1766941 1827870 1927572 1994040 2146232 2193444 2195010 2409465 2414511 2437160 2682790 2741805 2891358 2926680 3212620 3219348 3330360 3533882 3655740 3855144 4024185 4386888 4390020 4658299 4818930 4829022 5300823 5365580 5483610 5782716 6425240 6438696 7067764 7228395 7311480 8048370 8780040 8834705 9316598 9637860 9658044 10601646 10731160 10967220 11565432 12072555 13974897 14135528 14456790 15902469 16096740 17669410 18633196 19275720 19316088 21203292 21934440 23291495 24145110 26504115 27949794 28913580 31804938 32193480 35338820 37266392 41924691 42406584 46582990 48290220 51241289 53008230 55899588 57827160 63609876 69874485 70677640 79512345 83849382 93165980 96580440 102482578 106016460 111799176 127219752 139748970 153723867 159024690 167698764 186331960 204965156 209623455 212032920 256206445 279497940 307447734 318049380 335397528 409930312 419246910 461171601 512412890 558995880 614895468 636098760 768619335 838493820 922343202 1024825780 1229790936 1537238670 1676987640 1844686404 2049651560 2305858005 3074477340 3689372808 4611716010 6148954680 9223432020 18446864040
• Sum of all divisors σ(n): 68092876800
• Sum of proper divisors (its aliquot sum) s(n): 49646012760
• 18446864040 is an abundant number, because the sum of its proper divisors (49646012760) is greater than itself. Its abundance is 31199148720

Bases of 18446864040

• Binary: 10001001011100001001100111010101000₂
• Hexadecimal: 0x44B84CEA8
• Base-36: 8H2SBE0

Squares and roots of 18446864040

• 18446864040 squared (18446864040²) is 340286792910245121600
• 18446864040 cubed (18446864040³) is 6277224203422927681228467264000
• The square root of 18446864040 is 135819.2329532161
• The cube root of 18446864040 is 2642.2516774649

Scales and comparisons

• 18,446,864,040 seconds is equal to 586 years, 28 weeks, 5 days, 8 hours, 54 minutes.
• To count from 1 to 18,446,864,040 would take you about one thousand, one hundred seventy-three 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 18446864040 cubic inches would be around 220.2 feet tall.

Recreational maths with 18446864040

• 18446864040 backwards is 04046864481
• 18446864040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18446864040's digits is 45
• More coming soon!