18940162380

Names of 18940162380

• Cardinal: 18940162380 can be written as Eighteen billion, nine hundred forty million, one hundred sixty-two thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.894016238 × 10¹⁰

Factors of 18940162380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1198

Divisors of 18940162380

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 31 41 60 62 82 93 123 124 155 164 186 205 246 307 310 372 410 465 492 614 615 620 809 820 921 930 1228 1230 1271 1535 1618 1842 1860 2427 2460 2542 3070 3236 3684 3813 4045 4605 4854 5084 6140 6355 7626 8090 9210 9517 9708 12135 12587 12710 15252 16180 18420 19034 19065 24270 25079 25174 25420 28551 33169 37761 38068 38130 47585 48540 50158 50348 57102 62935 66338 75237 75522 76260 95170 99507 100316 114204 125395 125870 132676 142755 150474 151044 165845 188805 190340 199014 248363 250790 251740 285510 300948 331690 376185 377610 390197 398028 496726 497535 501580 571020 663380 745089 752370 755220 780394 993452 995070 1028239 1170591 1241815 1490178 1504740 1560788 1950985 1990140 2056478 2341182 2483630 2980356 3084717 3725445 3901970 4112956 4682364 4967260 5141195 5852955 6169434 7450890 7699253 7803940 10182883 10282390 11705910 12338868 14901780 15398506 15423585 20365766 20564780 23097759 23411820 30548649 30797012 30847170 38496265 40731532 46195518 50914415 61097298 61694340 76992530 92391036 101828830 115488795 122194596 152743245 153985060 203657660 230977590 305486490 315669373 461955180 610972980 631338746 947008119 1262677492 1578346865 1894016238 3156693730 3788032476 4735040595 6313387460 9470081190 18940162380
• Sum of all divisors σ(n): 56330588160
• Sum of proper divisors (its aliquot sum) s(n): 37390425780
• 18940162380 is an abundant number, because the sum of its proper divisors (37390425780) is greater than itself. Its abundance is 18450263400

Bases of 18940162380

• Binary: 10001101000111010111111000101001100₂
• Hexadecimal: 0x468EBF14C
• Base-36: 8P8HETO

Squares and roots of 18940162380

• 18940162380 squared (18940162380²) is 358729750980767264400
• 18940162380 cubed (18940162380³) is 6794399734112696244724393272000
• The square root of 18940162380 is 137623.2624958441
• The cube root of 18940162380 is 2665.5974606971

Scales and comparisons

• 18,940,162,380 seconds is equal to 602 years, 12 weeks, 2 days, 20 hours, 13 minutes.
• To count from 1 to 18,940,162,380 would take you about one thousand, two hundred four 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 18940162380 cubic inches would be around 222.1 feet tall.

Recreational maths with 18940162380

• 18940162380 backwards is 08326104981
• The number of decimal digits it has is: 11
• The sum of 18940162380's digits is 42
• More coming soon!