72138424492708794368

Names of 72138424492708794368

• Cardinal: 72138424492708794368 can be written as Seventy-two quintillion, one hundred thirty-eight quadrillion, four hundred twenty-four trillion, four hundred ninety-two billion, seven hundred eight million, seven hundred ninety-four thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 7.2138424492708794368 × 10¹⁹

Factors of 72138424492708794368

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 4964

Divisors of 72138424492708794368

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 8 16 32 53 64 106 128 212 256 424 512 848 1024 1696 2048 2809 3392 4096 4909 5618 6784 9818 11236 13568 19636 22472 27136 39272 44944 54272 78544 89888 108544 148877 157088 179776 217088 260177 297754 314176 359552 520354 595508 628352 719104 1040708 1191016 1256704 1438208 2081416 2382032 2513408 2876416 4162832 4764064 5026816 5752832 8325664 9528128 10053632 11505664 13789381 16651328 19056256 20107264 24098281 27578762 33302656 38112512 48196562 55157524 66605312 76225024 96393124 110315048 133210624 152450048 192786248 220630096 266421248 304900096 385572496 441260192 532842496 609800192 730837193 771144992 882520384 1065684992 1277208893 1461674386 1542289984 1765040768 2554417786 2923348772 3084579968 3530081536 5108835572 5846697544 6169159936 7060163072 10217671144 11693395088 12338319872 14120326144 20435342288 23386790176 24676639744 28240652288 40870684576 46773580352 49353279488 56481304576 67692071329 81741369152 93547160704 98706558976 135384142658 163482738304 187094321408 270768285316 326965476608 374188642816 541536570632 653930953216 748377285632 1083073141264 1307861906432 1496754571264 2166146282528 2615723812864 2993509142528 3587679780437 4332292565056 5231447625728 7175359560874 8664585130112 14350719121748 17329170260224 28701438243496 34658340520448 57402876486992 69316681040896 114805752973984 138633362081792 229611505947968 277266724163584 459223011895936 918446023791872 1836892047583744 3673784095167488 7347568190334976 14695136380669952
• Sum of all divisors σ(n): 72153687268823491356
• Sum of proper divisors (its aliquot sum) s(n): 15262776114696988
• 72138424492708794368 is a deficient number, because the sum of its proper divisors (15262776114696988) is less than itself. Its deficiency is 72123161716594097380

Bases of 72138424492708794368

• Binary: 111110100100011111001010101101111011010000001111110001000000000000₂
• Hexadecimal: 0x3E91F2ADED03F1000
• Base-36: F82NT9XWHHN28

Squares and roots of 72138424492708794368

• 72138424492708794368 squared (72138424492708794368²) is 5203952288290248076057148111568108519424
• 72138424492708794368 cubed (72138424492708794368³) is 375404919212485208687877692308848530371351450299588549804032
• The square root of 72138424492708794368 is 8493434198.9979997941
• 72138424492708794368 is a perfect cube number. Its cube root is 4162832

Scales and comparisons

• 72,138,424,492,708,794,368 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 72,138,424,492,708,794,368 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 72138424492708794368 cubic inches would be around 346902.7 feet tall.

Recreational maths with 72138424492708794368

• 72138424492708794368 backwards is 86349780729442483127
• The number of decimal digits it has is: 20
• The sum of 72138424492708794368's digits is 98
• More coming soon!