18253721472

Names of 18253721472

• Cardinal: 18253721472 can be written as Eighteen billion, two hundred fifty-three million, seven hundred twenty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8253721472 × 10¹⁰

Factors of 18253721472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 42214

Divisors of 18253721472

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 49 56 64 69 84 92 96 98 112 128 138 147 161 168 184 192 196 224 276 294 322 336 368 384 392 448 483 552 588 644 672 736 784 896 966 1104 1127 1176 1288 1344 1472 1568 1932 2208 2254 2352 2576 2688 2944 3136 3381 3864 4416 4508 4704 5152 6272 6762 7728 8832 9016 9408 10304 13524 15456 18032 18816 20608 27048 30912 36064 42179 54096 61824 72128 84358 108192 126537 144256 168716 216384 253074 295253 337432 432768 506148 590506 674864 885759 970117 1012296 1181012 1349728 1771518 1940234 2024592 2066771 2362024 2699456 2910351 3543036 3880468 4049184 4133542 4724048 5398912 5820702 6200313 6790819 7086072 7760936 8098368 8267084 9448096 11641404 12400626 13581638 14172144 15521872 16196736 16534168 18896192 20372457 23282808 24801252 27163276 28344288 31043744 33068336 37792384 40744914 46565616 47535733 49602504 54326552 56688576 62087488 66136672 81489828 93131232 95071466 99205008 108653104 113377152 124174976 132273344 142607199 162979656 186262464 190142932 198410016 217306208 264546688 285214398 325959312 372524928 380285864 396820032 434612416 570428796 651918624 760571728 793640064 869224832 1140857592 1303837248 1521143456 2281715184 2607674496 3042286912 4563430368 6084573824 9126860736 18253721472
• Sum of all divisors σ(n): 58856284800
• Sum of proper divisors (its aliquot sum) s(n): 40602563328
• 18253721472 is an abundant number, because the sum of its proper divisors (40602563328) is greater than itself. Its abundance is 22348841856

Bases of 18253721472

• Binary: 10001000000000000011010111110000000₂
• Hexadecimal: 0x44001AF80
• Base-36: 8DVSLMO

Squares and roots of 18253721472

• 18253721472 squared (18253721472²) is 333198347577353846784
• 18253721472 cubed (18253721472³) is 6082109831607663093982898946048
• The square root of 18253721472 is 135106.3339447859
• The cube root of 18253721472 is 2632.9976601169

Scales and comparisons

• 18,253,721,472 seconds is equal to 580 years, 21 weeks, 2 days, 22 hours, 11 minutes, 12 seconds.
• To count from 1 to 18,253,721,472 would take you about one thousand, one hundred sixty 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 18253721472 cubic inches would be around 219.4 feet tall.

Recreational maths with 18253721472

• 18253721472 backwards is 27412735281
• 18253721472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18253721472's digits is 42
• More coming soon!