238168208957546721

Names of 238168208957546721

• Cardinal: 238168208957546721 can be written as Two hundred thirty-eight quadrillion, one hundred sixty-eight trillion, two hundred eight billion, nine hundred fifty-seven million, five hundred forty-six thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 2.38168208957546721 × 10¹⁷

Factors of 238168208957546721

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2670683

Divisors of 238168208957546721

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 19 21 57 133 399 419 463 1153 1257 1389 2933 3241 3459 7961 8071 8797 8799 9723 21907 23883 24213 26391 55727 61579 65721 153349 167181 184737 193997 460047 483107 533839 581991 1357979 1449321 1601517 2668619 3381749 3685943 3736873 4073937 8005857 9179033 10142941 10145247 11057829 11210619 18680333 25801601 27537099 30428823 50703761 56040999 64253231 71000587 77404803 152111283 192759693 213001761 223678541 354926327 671035623 1064778981 1118151361 1235570597 1565749787 3076917707 3354454083 3706711791 4249892279 4697249361 7827059527 8648994179 9230753121 12749676837 21244875859 21538423949 23475841343 23481178581 25946982537 29749245953 58461436433 63734627577 64615271847 70427524029 89247737859 148714131013 164330889401 175384309299 409230055031 446142393039 492992668203 517704080143 1227690165093 1289228519233 1424612898341 1553112240429 3623928561001 3867685557699 4273838695023 9024599634631 9836377522717 9972290288387 10871785683003 24495341865427 27067645068479 27073798903893 29509132568151 29916870865161 68854642659019 73486025596281 81202935205437 171467393057989 189473515479353 206563927977057 514402179173967 568420546438059 596912804404879 1790738413214637 4178389630834153 11341343283692701 12535168892502459 34024029851078103 79389402985848907 238168208957546721
• Sum of all divisors σ(n): 384096005185536000
• Sum of proper divisors (its aliquot sum) s(n): 145927796227989279
• 238168208957546721 is a deficient number, because the sum of its proper divisors (145927796227989279) is less than itself. Its deficiency is 92240412729557442

Bases of 238168208957546721

• Binary: 1101001110001001001011100101100011101101001010000011100001₂
• Hexadecimal: 0x34E24B963B4A0E1
• Base-36: 1T53L0QCEAJL

Squares and roots of 238168208957546721

• 238168208957546721 squared (238168208957546721²) is 56724095758045638150587658897851841
• 238168208957546721 cubed (238168208957546721³) is 13509876291430103115348507046064345021175432293363361
• The square root of 238168208957546721 is 488024803.6294330819
• The cube root of 238168208957546721 is 619861.4058556211

Scales and comparisons

• 238,168,208,957,546,721 seconds is equal to 7,573,012,342 years, 10 weeks, 6 days, 4 hours, 45 minutes, 21 seconds.
• To count from 1 to 238,168,208,957,546,721 would take you about twenty-two billion, seven hundred nineteen million, thirty-seven thousand and twenty-six 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 238168208957546721 cubic inches would be around 51655.1 feet tall.

Recreational maths with 238168208957546721

• 238168208957546721 backwards is 127645759802861832
• The number of decimal digits it has is: 18
• The sum of 238168208957546721's digits is 84
• More coming soon!