18211370232

Names of 18211370232

• Cardinal: 18211370232 can be written as Eighteen billion, two hundred eleven million, three hundred seventy thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 1.8211370232 × 10¹⁰

Factors of 18211370232

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 210

Divisors of 18211370232

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 33 44 66 67 88 121 127 132 134 201 242 254 264 268 363 381 402 484 508 536 726 737 762 804 968 1016 1331 1397 1452 1474 1524 1608 2211 2662 2794 2904 2948 3048 3993 4191 4422 4489 5324 5588 5896 7986 8107 8382 8509 8844 8978 10648 11176 13467 15367 15972 16214 16764 17018 17688 17956 24321 25527 26934 30734 31944 32428 33528 34036 35912 46101 48642 49379 51054 53868 61468 64856 68072 89177 92202 93599 97284 98758 102108 107736 122936 148137 169037 178354 184404 187198 194568 197516 204216 267531 280797 296274 338074 356708 368808 374396 395032 507111 535062 543169 561594 570103 592548 676148 713416 748792 1014222 1029589 1070124 1086338 1123188 1140206 1185096 1352296 1629507 1710309 2028444 2059178 2140248 2172676 2246376 2280412 3088767 3259014 3420618 4056888 4118356 4345352 4560824 5974859 6177534 6271133 6518028 6841236 8236712 11325479 11949718 12355068 12542266 13036056 13682472 17924577 18813399 22650958 23899436 24710136 25084532 33976437 35849154 37626798 45301916 47798872 50169064 67952874 68982463 71698308 75253596 90603832 135905748 137964926 143396616 150507192 206947389 271811496 275929852 413894778 551859704 758807093 827789556 1517614186 1655579112 2276421279 3035228372 4552842558 6070456744 9105685116 18211370232
• Sum of all divisors σ(n): 51236720640
• Sum of proper divisors (its aliquot sum) s(n): 33025350408
• 18211370232 is an abundant number, because the sum of its proper divisors (33025350408) is greater than itself. Its abundance is 14813980176

Bases of 18211370232

• Binary: 10000111101011110110111010011111000₂
• Hexadecimal: 0x43D7B74F8
• Base-36: 8D6KV7C

Squares and roots of 18211370232

• 18211370232 squared (18211370232²) is 331654005726975733824
• 18211370232 cubed (18211370232³) is 6039873887219803398348749127168
• The square root of 18211370232 is 134949.5099361237
• The cube root of 18211370232 is 2630.9597730741

Scales and comparisons

• 18,211,370,232 seconds is equal to 579 years, 3 weeks, 2 days, 17 hours, 57 minutes, 12 seconds.
• To count from 1 to 18,211,370,232 would take you about one thousand, one hundred fifty-eight 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 18211370232 cubic inches would be around 219.2 feet tall.

Recreational maths with 18211370232

• 18211370232 backwards is 23207311281
• The number of decimal digits it has is: 11
• The sum of 18211370232's digits is 30
• More coming soon!