18997531344

Names of 18997531344

• Cardinal: 18997531344 can be written as Eighteen billion, nine hundred ninety-seven million, five hundred thirty-one thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 1.8997531344 × 10¹⁰

Factors of 18997531344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 224

Divisors of 18997531344

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 71 72 81 88 99 108 132 137 142 144 162 176 198 213 216 264 274 284 297 324 396 411 426 432 528 548 568 594 639 648 781 792 822 852 891 1096 1136 1188 1233 1278 1296 1507 1562 1584 1644 1704 1782 1917 2192 2343 2376 2466 2556 3014 3124 3288 3408 3564 3699 3834 4521 4686 4752 4932 5112 5751 6028 6248 6576 7029 7128 7398 7668 9042 9372 9727 9864 10224 11097 11502 12056 12496 13563 14058 14256 14796 15336 18084 18744 18769 19454 19728 21087 22194 23004 24112 27126 28116 29181 29592 30672 36168 37488 37538 38908 40689 42174 44388 46008 54252 56232 56307 58362 59184 63261 72336 75076 77816 81378 84348 87543 88776 92016 106997 108504 112464 112614 116724 122067 126522 150152 155632 162756 168696 168921 175086 177552 206459 213994 217008 225228 233448 244134 253044 262629 300304 320991 325512 337392 337842 350172 412918 427988 450456 466896 488268 506088 506763 525258 619377 641982 651024 675684 700344 787887 825836 855976 900912 962973 976536 1012176 1013526 1050516 1238754 1283964 1332599 1351368 1400688 1520289 1575774 1651672 1711952 1858131 1925946 1953072 2027052 2101032 2477508 2567928 2665198 2702736 2888919 3040578 3151548 3303344 3716262 3851892 3997797 4054104 4202064 4955016 5135856 5330396 5574393 5777838 6081156 6303096 7432524 7703784 7995594 8108208 8666757 9910032 10660792 11148786 11555676 11993391 12162312 12606192 14658589 14865048 15407568 15991188 16723179 17333514 21321584 22297572 23111352 23986782 24324624 29317178 29730096 31982376 33446358 34667028 35980173 43975767 44595144 46222704 47973564 58634356 63964752 66892716 69334056 71960346 87951534 89190288 95947128 107940519 117268712 131927301 133785432 138668112 143920692 175903068 191894256 215881038 234537424 263854602 267570864 287841384 351806136 395781903 431762076 527709204 575682768 703612272 791563806 863524152 1055418408 1187345709 1583127612 1727048304 2110836816 2374691418 3166255224 4749382836 6332510448 9498765672 18997531344
• Sum of all divisors σ(n): 61275015648
• Sum of proper divisors (its aliquot sum) s(n): 42277484304
• 18997531344 is an abundant number, because the sum of its proper divisors (42277484304) is greater than itself. Its abundance is 23279952960

Bases of 18997531344

• Binary: 10001101100010101110101001011010000₂
• Hexadecimal: 0x46C5752D0
• Base-36: 8Q6N100

Squares and roots of 18997531344

• 18997531344 squared (18997531344²) is 360906197166262446336
• 18997531344 cubed (18997531344³) is 6856326792909914803598277955584
• The square root of 18997531344 is 137831.5324735237
• The cube root of 18997531344 is 2668.2860758963

Scales and comparisons

• 18,997,531,344 seconds is equal to 604 years, 3 weeks, 1 day, 20 hours, 2 minutes, 24 seconds.
• To count from 1 to 18,997,531,344 would take you about one thousand, two hundred 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 18997531344 cubic inches would be around 222.4 feet tall.

Recreational maths with 18997531344

• 18997531344 backwards is 44313579981
• 18997531344 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18997531344's digits is 54
• More coming soon!