397439801990

Names of 397439801990

• Cardinal: 397439801990 can be written as Three hundred ninety-seven billion, four hundred thirty-nine million, eight hundred one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 3.9743980199 × 10¹¹

Factors of 397439801990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3415

Divisors of 397439801990

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 7 10 11 14 22 35 37 55 61 70 71 74 77 110 122 142 154 185 259 305 355 370 385 407 427 497 518 610 671 710 770 781 814 854 994 1295 1342 1562 2035 2135 2257 2485 2590 2627 2849 3221 3355 3905 4070 4270 4331 4514 4697 4970 5254 5467 5698 6442 6710 7810 8662 9394 10934 11285 13135 14245 15799 16105 18389 21655 22547 22570 23485 24827 26270 27335 28490 28897 30317 31598 32210 35431 36778 43310 45094 46970 47641 49654 54670 57794 60634 70862 78995 91945 95282 112735 119177 124135 144485 151585 157990 160247 173789 177155 183890 196481 202279 225470 228691 238205 238354 248017 248270 288970 303170 320494 333487 347578 354310 392962 404558 457382 476410 496034 595885 666974 801235 834239 868945 982405 1011395 1121729 1143455 1191770 1240085 1310947 1375367 1600837 1602470 1667435 1668478 1737890 1762717 1964810 2022790 2161291 2243458 2286910 2480170 2515601 2621894 2750734 3201674 3334870 3525434 4171195 4322582 5031202 5608645 6554735 6876835 7269797 8004185 8342390 8461567 8813585 9176629 10806455 11217290 12339019 12578005 13109470 13753670 13950151 14539594 15129037 16008370 16923134 17609207 17627170 18353258 21612910 24678038 25156010 27900302 30258074 35218414 36348985 42307835 45883145 50888579 59230969 61695095 69750755 72697970 75645185 79967767 84615670 88046035 91766290 93077237 97651057 101777158 118461938 123390190 139501510 151290370 153451661 159935534 176092070 186154474 195302114 254442895 296154845 306903322 399838835 465386185 488255285 508885790 516155587 559774369 592309690 651540659 767258305 799677670 930772370 976510570 1032311174 1074161627 1119548738 1303081318 1534516610 2148323254 2580777935 2798871845 3257703295 3613089109 5161555870 5370808135 5597743690 5677711457 6515406590 7226178218 10741616270 11355422914 18065445545 28388557285 36130891090 39743980199 56777114570 79487960398 198719900995 397439801990
• Sum of all divisors σ(n): 944445837312
• Sum of proper divisors (its aliquot sum) s(n): 547006035322
• 397439801990 is an abundant number, because the sum of its proper divisors (547006035322) is greater than itself. Its abundance is 149566233332

Bases of 397439801990

• Binary: 101110010001001010000100001101010000110₂
• Hexadecimal: 0x5C89421A86
• Base-36: 52KXE9VQ

Squares and roots of 397439801990

• 397439801990 squared (397439801990²) is 157958396205850407960100
• 397439801990 cubed (397439801990³) is 62778953710711153419222863820599000
• The square root of 397439801990 is 630428.2687110405
• The cube root of 397439801990 is 7352.3095892665

Scales and comparisons

• 397,439,801,990 seconds is equal to 12,637 years, 18 weeks, 3 days, 16 hours, 59 minutes, 50 seconds.
• To count from 1 to 397,439,801,990 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 397439801990 cubic inches would be around 612.7 feet tall.

Recreational maths with 397439801990

• 397439801990 backwards is 099108934793
• The number of decimal digits it has is: 12
• The sum of 397439801990's digits is 62
• More coming soon!