18802749420

Names of 18802749420

• Cardinal: 18802749420 can be written as Eighteen billion, eight hundred two million, seven hundred forty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.880274942 × 10¹⁰

Factors of 18802749420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 164017

Divisors of 18802749420

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 49 52 60 63 65 70 78 84 90 91 98 105 117 126 130 140 147 156 180 182 195 196 210 234 245 252 260 273 294 315 364 390 420 441 455 468 490 546 585 588 630 637 735 780 819 882 910 980 1092 1170 1260 1274 1365 1470 1638 1764 1820 1911 2205 2340 2548 2730 2940 3185 3276 3822 4095 4410 5460 5733 6370 7644 8190 8820 9555 11466 12740 16380 19110 22932 28665 38220 57330 114660 163987 327974 491961 655948 819935 983922 1147909 1475883 1639870 1967844 2131831 2295818 2459805 2951766 3279740 3443727 4263662 4591636 4919610 5739545 5903532 6395493 6887454 7379415 8035363 8527324 9839220 10331181 10659155 11479090 12790986 13774908 14758830 14922817 16070726 17218635 19186479 20662362 21318310 22958180 24106089 25581972 29517660 29845634 31977465 32141452 34437270 38372958 40176815 41324724 42636620 44768451 48212178 51655905 59691268 63954930 68874540 72318267 74614085 76745916 80353630 89536902 95932395 96424356 103311810 104459719 120530445 127909860 134305353 144636534 149228170 160707260 179073804 191864790 206623620 208919438 223842255 241060890 268610706 289273068 298456340 313379157 361591335 383729580 417838876 447684510 482121780 522298595 537221412 626758314 671526765 723182670 895369020 940137471 1044597190 1253516628 1343053530 1446365340 1566895785 1880274942 2089194380 2686107060 3133791570 3760549884 4700687355 6267583140 9401374710 18802749420
• Sum of all divisors σ(n): 71450883504
• Sum of proper divisors (its aliquot sum) s(n): 52648134084
• 18802749420 is an abundant number, because the sum of its proper divisors (52648134084) is greater than itself. Its abundance is 33845384664

Bases of 18802749420

• Binary: 10001100000101110110010111111101100₂
• Hexadecimal: 0x460BB2FEC
• Base-36: 8MYO6B0

Squares and roots of 18802749420

• 18802749420 squared (18802749420²) is 353543385751310336400
• 18802749420 cubed (18802749420³) is 6647587691380286691985104888000
• The square root of 18802749420 is 137123.1177446021
• The cube root of 18802749420 is 2659.1354069113

Scales and comparisons

• 18,802,749,420 seconds is equal to 597 years, 45 weeks, 1 day, 9 hours, 57 minutes.
• To count from 1 to 18,802,749,420 would take you about one thousand, one hundred ninety-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 18802749420 cubic inches would be around 221.6 feet tall.

Recreational maths with 18802749420

• 18802749420 backwards is 02494720881
• 18802749420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18802749420's digits is 45
• More coming soon!