397438168644

Names of 397438168644

• Cardinal: 397438168644 can be written as Three hundred ninety-seven billion, four hundred thirty-eight million, one hundred sixty-eight thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 3.97438168644 × 10¹¹

Factors of 397438168644

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 88

Divisors of 397438168644

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 29 33 36 43 44 54 58 66 86 87 99 108 116 121 129 132 172 174 198 242 258 261 297 319 348 363 387 396 473 484 516 522 594 638 726 774 783 841 946 957 1044 1089 1161 1188 1247 1276 1419 1452 1548 1566 1682 1892 1914 2178 2322 2494 2523 2838 2871 3132 3267 3364 3509 3741 3828 4257 4356 4644 4988 5046 5203 5676 5742 6534 7018 7482 7569 8514 8613 9251 10092 10406 10527 11223 11484 12771 13068 13717 14036 14964 15138 15609 17028 17226 18502 20812 21054 22446 22707 24389 25542 27434 27753 30276 31218 31581 33669 34452 36163 37004 41151 42108 44892 45414 46827 48778 51084 54868 55506 62436 63162 67338 72326 73167 82302 83259 90828 93654 94743 97556 101761 108489 111012 123453 126324 134676 140481 144652 146334 150887 164604 166518 187308 189486 203522 216978 219501 246906 249777 268279 280962 292668 301774 305283 325467 333036 370359 378972 397793 407044 433956 439002 452661 493812 499554 536558 561924 603548 610566 650934 658503 707281 740718 795586 804837 878004 905322 915849 976401 999108 1048727 1073116 1193379 1221132 1301868 1317006 1357983 1414562 1481436 1591172 1609674 1810644 1831698 1952802 2097454 2121843 2386758 2414511 2634012 2715966 2747547 2829124 2951069 3146181 3219348 3580137 3663396 3905604 4073949 4194908 4243686 4375723 4773516 4829022 5431932 5495094 5902138 6292362 6365529 7160274 7243533 7780091 8147898 8487372 8751446 8853207 9438543 9658044 10740411 10990188 11535997 11804276 12584724 12731058 13127169 14320548 14487066 15560182 16295796 17502892 17706414 18877086 19096587 21480822 23071994 23340273 25462116 26254338 26559621 28315629 28974132 30413083 31120364 34607991 35412828 37754172 38193174 39381507 42961644 46143988 46680546 52508676 53119242 56631258 60826166 69215982 70020819 76386348 78763014 79678863 85581001 91239249 93361092 103823973 106238484 113262516 118144521 121652332 126895967 138431964 140041638 157526028 159357726 171162002 182478498 207647946 210062457 236289042 253791934 256743003 273717747 280083276 311471919 318715452 334543913 342324004 364956996 380687901 415295892 420124914 472578084 507583868 513486006 547435494 622943838 669087826 761375802 770229009 821153241 840249828 1003631739 1026972012 1094870988 1142063703 1245887676 1338175652 1522751604 1540458018 1642306482 2007263478 2284127406 2310687027 3010895217 3080916036 3284612964 3426191109 3679983043 4014526956 4568254812 4621374054 6021790434 6852382218 7359966086 9032685651 9242748108 11039949129 12043580868 13704764436 14719932172 18065371302 22079898258 33119847387 36130742604 44159796516 66239694774 99359542161 132479389548 198719084322 397438168644
• Sum of all divisors σ(n): 1200312380960
• Sum of proper divisors (its aliquot sum) s(n): 802874212316
• 397438168644 is an abundant number, because the sum of its proper divisors (802874212316) is greater than itself. Its abundance is 405436043672

Bases of 397438168644

• Binary: 101110010001001001010010010111001000100₂
• Hexadecimal: 0x5C89292E44
• Base-36: 52KWF9L0

Squares and roots of 397438168644

• 397438168644 squared (397438168644²) is 157957097895096584798736
• 397438168644 cubed (397438168644³) is 62778179711748213889908485166033984
• The square root of 397438168644 is 630426.9732839799
• The cube root of 397438168644 is 7352.2995174003

Scales and comparisons

• 397,438,168,644 seconds is equal to 12,637 years, 15 weeks, 5 days, 19 hours, 17 minutes, 24 seconds.
• To count from 1 to 397,438,168,644 would take you about twenty-five thousand, two hundred seventy-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 397438168644 cubic inches would be around 612.7 feet tall.

Recreational maths with 397438168644

• 397438168644 backwards is 446861834793
• The number of decimal digits it has is: 12
• The sum of 397438168644's digits is 63
• More coming soon!