18906450472

Names of 18906450472

• Cardinal: 18906450472 can be written as Eighteen billion, nine hundred six million, four hundred fifty thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8906450472 × 10¹⁰

Factors of 18906450472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 808

Divisors of 18906450472

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 29 49 52 56 58 91 98 104 116 169 182 196 203 232 338 364 377 392 406 637 676 728 754 757 812 1183 1274 1352 1421 1508 1514 1624 2197 2366 2548 2639 2842 3016 3028 4394 4732 4901 5096 5278 5299 5684 6056 8281 8788 9464 9802 9841 10556 10598 11368 15379 16562 17576 18473 19604 19682 21112 21196 21953 30758 33124 34307 36946 37093 39208 39364 42392 43906 61516 63713 66248 68614 68887 73892 74186 78728 87812 107653 123032 127426 127933 137228 137774 147784 148372 153671 175624 215306 240149 254852 255866 274456 275548 285389 296744 307342 430612 445991 480298 482209 509704 511732 551096 570778 614684 861224 891982 895531 960596 964418 1023464 1075697 1141556 1229368 1663129 1783964 1791062 1921192 1928836 1997723 2151394 2283112 3121937 3326258 3567928 3582124 3710057 3857672 3995446 4302788 6243874 6268717 6652516 7164248 7420114 7990892 8605576 11641903 12487748 12537434 13305032 13984061 14840228 15981784 23283806 24975496 25074868 25970399 27968122 29680456 46567612 48230741 50149736 51940798 55936244 81493321 93135224 96461482 103881596 111872488 162986642 181792793 192922964 207763192 325973284 337615187 363585586 385845928 651946568 675230374 727171172 1350460748 1454342344 2363306309 2700921496 4726612618 9453225236 18906450472
• Sum of all divisors σ(n): 46273626000
• Sum of proper divisors (its aliquot sum) s(n): 27367175528
• 18906450472 is an abundant number, because the sum of its proper divisors (27367175528) is greater than itself. Its abundance is 8460725056

Bases of 18906450472

• Binary: 10001100110111010011000101000101000₂
• Hexadecimal: 0x466E98A28
• Base-36: 8OOEUJS

Squares and roots of 18906450472

• 18906450472 squared (18906450472²) is 357453869450189022784
• 18906450472 cubed (18906450472³) is 6758183878784752630303775554048
• The square root of 18906450472 is 137500.7289871585
• The cube root of 18906450472 is 2664.0150077911

Scales and comparisons

• 18,906,450,472 seconds is equal to 601 years, 8 weeks, 4 days, 15 hours, 47 minutes, 52 seconds.
• To count from 1 to 18,906,450,472 would take you about one thousand, two hundred two 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 18906450472 cubic inches would be around 222 feet tall.

Recreational maths with 18906450472

• 18906450472 backwards is 27405460981
• The number of decimal digits it has is: 11
• The sum of 18906450472's digits is 46
• More coming soon!