401938021785664

Names of 401938021785664

• Cardinal: 401938021785664 can be written as Four hundred one trillion, nine hundred thirty-eight billion, twenty-one million, seven hundred eighty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 4.01938021785664 × 10¹⁴

Factors of 401938021785664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 27561

Divisors of 401938021785664

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 169 182 196 208 224 338 364 392 416 448 637 676 728 784 832 1183 1274 1352 1456 1568 2366 2548 2704 2912 3136 4732 5096 5408 5824 8281 9464 10192 10816 16562 18928 20384 27539 33124 37856 40768 55078 66248 75712 110156 132496 192773 220312 264992 358007 385546 440624 529984 716014 771092 881248 1349411 1432028 1542184 1762496 2506049 2698822 2864056 3084368 4654091 5012098 5397644 5728112 6168736 9308182 10024196 10795288 11456224 12337472 17542343 18616364 20048392 21590576 22912448 32578637 35084686 37232728 40096784 43181152 65157274 70169372 74465456 80193568 86362304 130314548 140338744 148930912 160387136 228050459 260629096 280677488 297861824 456100918 521258192 561354976 758396521 912201836 1042516384 1122709952 1516793042 1824403672 2085032768 3033586084 3648807344 5308775647 6067172168 7297614688 9859154773 10617551294 12134344336 14595229376 19718309546 21235102588 24268688672 37161429529 39436619092 42470205176 48537377344 69014083411 74322859058 78873238184 84940410352 128169012049 138028166822 148645718116 157746476368 169880820704 256338024098 276056333644 297291436232 315492952736 339761641408 483098583877 512676048196 552112667288 594582872464 630985905472 897183084343 966197167754 1025352096392 1104225334576 1189165744928 1794366168686 1932394335508 2050704192784 2208450669152 2378331489856 3588732337372 3864788671016 4101408385568 4416901338304 6280281590401 7177464674744 7729577342032 8202816771136 12560563180802 14354929349488 15459154684064 25121126361604 28709858698976 30918309368128 50242252723208 57419717397952 100484505446416 200969010892832 401938021785664
• Sum of all divisors σ(n): 1004712415296957
• Sum of proper divisors (its aliquot sum) s(n): 602774393511293
• 401938021785664 is an abundant number, because the sum of its proper divisors (602774393511293) is greater than itself. Its abundance is 200836371725629

Bases of 401938021785664

• Binary: 1011011011000111101111101000000101010000001000000₂
• Hexadecimal: 0x16D8F7D02A040
• Base-36: 3YH3S0FSXS

Squares and roots of 401938021785664

• 401938021785664 squared (401938021785664²) is 161554173356972908279155920896
• 401938021785664 cubed (401938021785664³) is 64934764850319915360671209405605544250834944
• 401938021785664 is a perfect square number. Its square root is 20048392
• The cube root of 401938021785664 is 73799.4338635085

Scales and comparisons

• 401,938,021,785,664 seconds is equal to 12,780,385 years, 42 weeks, 3 days, 8 hours, 1 minute, 4 seconds.
• To count from 1 to 401,938,021,785,664 would take you about thirty-one million, nine hundred fifty thousand, nine hundred sixty-four 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 401938021785664 cubic inches would be around 6150 feet tall.

Recreational maths with 401938021785664

• 401938021785664 backwards is 466587120839104
• 401938021785664 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 401938021785664's digits is 64
• More coming soon!