399438155444349

Names of 399438155444349

• Cardinal: 399438155444349 can be written as Three hundred ninety-nine trillion, four hundred thirty-eight billion, one hundred fifty-five million, four hundred forty-four thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 3.99438155444349 × 10¹⁴

Factors of 399438155444349

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 986

Divisors of 399438155444349

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 21 29 49 87 147 203 343 609 841 947 1029 1421 2401 2523 2841 4263 5887 6629 7203 9947 16807 17661 19887 24389 27463 29841 41209 46403 50421 69629 73167 82389 117649 123627 139209 170723 192241 208887 288463 324821 352947 487403 512169 576723 796427 823543 865389 974463 1195061 1345687 1462209 2019241 2273747 2389281 2470629 3411821 3585183 4037061 5574989 5764801 6057723 6821241 8365427 9419809 10235463 14134687 15916229 16724967 17294403 23096383 23882747 25096281 28259427 39024923 42404061 47748687 58557989 65938663 69289149 71648241 98942809 111413603 117074769 161674681 167179229 175673967 197815989 273174461 296828427 334240809 409905923 461570641 485024043 501537687 692599663 779895221 819523383 1131722767 1229717769 1384711923 1912221227 2077798989 2339685663 2869341461 3230994487 3395168301 4848197641 5459266547 5736663681 7922059369 8608024383 9692983461 13385548589 14544592923 16377799641 20085390227 22616961409 23766178107 40156645767 55454415583 60256170681 67850884227 93698840123 140597731589 158318729863 166363246749 281096520369 388180909081 421793194767 474956189589 655891880861 1164542727243 1967675642583 2717266363567 4591243166027 8151799090701 13773729498081 19020864544969 57062593634907 133146051814783 399438155444349
• Sum of all divisors σ(n): 644217879337920
• Sum of proper divisors (its aliquot sum) s(n): 244779723893571
• 399438155444349 is a deficient number, because the sum of its proper divisors (244779723893571) is less than itself. Its deficiency is 154658431550778

Bases of 399438155444349

• Binary: 1011010110100100101110001010111010111000001111101₂
• Hexadecimal: 0x16B49715D707D
• Base-36: 3XL7CSKAYL

Squares and roots of 399438155444349

• 399438155444349 squared (399438155444349²) is 159550840024783914669636033801
• 399438155444349 cubed (399438155444349³) is 63730693239096097363489559562527179138440549
• The square root of 399438155444349 is 19985948.9503087893
• The cube root of 399438155444349 is 73646.1162576351

Scales and comparisons

• 399,438,155,444,349 seconds is equal to 12,700,897 years, 41 weeks, 4 days, 2 hours, 59 minutes, 9 seconds.
• To count from 1 to 399,438,155,444,349 would take you about thirty-one million, seven hundred fifty-two thousand, two hundred forty-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 399438155444349 cubic inches would be around 6137.2 feet tall.

Recreational maths with 399438155444349

• 399438155444349 backwards is 943444551834993
• The number of decimal digits it has is: 15
• The sum of 399438155444349's digits is 75
• More coming soon!