399369432644

Names of 399369432644

• Cardinal: 399369432644 can be written as Three hundred ninety-nine billion, three hundred sixty-nine million, four hundred thirty-two thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 3.99369432644 × 10¹¹

Factors of 399369432644

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1416

Divisors of 399369432644

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 13 14 26 28 31 52 62 89 91 124 178 182 217 356 364 403 434 547 623 727 806 868 1094 1157 1246 1454 1612 2188 2314 2492 2759 2821 2908 3829 4628 5089 5518 5642 7111 7658 8099 9451 10178 11036 11284 14222 15316 16198 16957 18902 19313 20356 22537 28444 32396 33914 35867 37804 38626 45074 48683 49777 64703 66157 67828 71734 77252 90148 97366 99554 118699 129406 132314 143468 157759 194732 199108 220441 237398 251069 258812 264628 292981 315518 340781 397669 440882 452921 474796 502138 585962 631036 632879 681562 795338 841139 881764 905842 1004276 1171924 1265758 1363124 1509173 1543087 1590676 1682278 1811684 2005793 2050867 2531516 2783683 3018346 3086174 3364556 4011586 4101734 4430153 5169697 5567366 5887973 6036692 6172348 8023172 8203468 8860306 10339394 10564211 11134732 11775946 12327739 14040551 17720612 19619249 20678788 21128422 23551892 24655478 26075309 28081102 35392541 36187879 39238498 42256844 49310956 52150618 56162204 70785082 72375758 78476996 86294173 104301236 137334743 141570164 144751516 160260607 172588346 182527163 247747787 274669486 320521214 345176692 365054326 460103033 495495574 549338972 641042428 730108652 920206066 990991148 1097168771 1121824249 1840412132 2194337542 2243648498 3220721231 4388675084 4487296996 6441442462 7680181397 12882884924 14263194023 15360362794 28526388046 30720725588 57052776092 99842358161 199684716322 399369432644
• Sum of all divisors σ(n): 900783636480
• Sum of proper divisors (its aliquot sum) s(n): 501414203836
• 399369432644 is an abundant number, because the sum of its proper divisors (501414203836) is greater than itself. Its abundance is 102044771192

Bases of 399369432644

• Binary: 101110011111100010001011110111001000100₂
• Hexadecimal: 0x5CFC45EE44
• Base-36: 53GU8YF8

Squares and roots of 399369432644

• 399369432644 squared (399369432644²) is 159495943730390452830736
• 399369432644 cubed (399369432644³) is 63697804556625384047605280084945984
• The square root of 399369432644 is 631956.8281488855
• The cube root of 399369432644 is 7364.1892443461

Scales and comparisons

• 399,369,432,644 seconds is equal to 12,698 years, 37 weeks, 9 hours, 30 minutes, 44 seconds.
• To count from 1 to 399,369,432,644 would take you about twenty-five thousand, three hundred ninety-seven 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 399369432644 cubic inches would be around 613.7 feet tall.

Recreational maths with 399369432644

• 399369432644 backwards is 446234963993
• 399369432644 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 399369432644's digits is 62
• More coming soon!