397996961648

Names of 397996961648

• Cardinal: 397996961648 can be written as Three hundred ninety-seven billion, nine hundred ninety-six million, nine hundred sixty-one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 3.97996961648 × 10¹¹

Factors of 397996961648

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 135

Divisors of 397996961648

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 44 52 88 104 109 121 143 176 208 218 242 286 436 484 572 872 968 1144 1199 1331 1417 1573 1744 1936 2288 2398 2662 2834 3146 4796 5324 5668 6292 9592 10648 11336 11881 12584 13189 14641 15587 17303 19184 21296 22672 23762 25168 26378 29282 31174 34606 47524 52756 58564 62348 69212 95048 105512 117128 124696 130691 138424 145079 154453 161051 171457 190096 190333 211024 234256 249392 261382 276848 290158 308906 322102 342914 380666 522764 580316 617812 644204 685828 761332 1045528 1160632 1235624 1288408 1371656 1437601 1522664 1595869 1698983 1886027 2091056 2093663 2321264 2471248 2576816 2743312 2875202 3045328 3191738 3397966 3772054 4187326 5750404 6383476 6795932 7544108 8374652 11500808 12766952 13591864 15088216 15813611 16749304 17554559 18688813 20746297 23001616 25533904 27183728 30176432 31627222 33498608 35109118 37377626 41492594 63254444 70218236 74755252 82985188 126508888 140436472 149510504 165970376 173949721 205576943 228209267 253017776 280872944 299021008 331940752 347899442 411153886 456418534 695798884 822307772 912837068 1391597768 1644615544 1825674136 1913446931 2261346373 2783195536 3289231088 3651348272 3826893862 4522692746 7653787724 9045385492 15307575448 18090770984 24874810103 30615150896 36181541968 49749620206 99499240412 198998480824 397996961648
• Sum of all divisors σ(n): 921936476664
• Sum of proper divisors (its aliquot sum) s(n): 523939515016
• 397996961648 is an abundant number, because the sum of its proper divisors (523939515016) is greater than itself. Its abundance is 125942553368

Bases of 397996961648

• Binary: 101110010101010011101111010111101110000₂
• Hexadecimal: 0x5CAA77AF70
• Base-36: 52U5450W

Squares and roots of 397996961648

• 397996961648 squared (397996961648²) is 158401581481039582875904
• 397996961648 cubed (397996961648³) is 63043348149691857905031081831329792
• The square root of 397996961648 is 630870.0037630575
• The cube root of 397996961648 is 7355.7436502669

Scales and comparisons

• 397,996,961,648 seconds is equal to 12,655 years, 3 weeks, 5 days, 7 hours, 34 minutes, 8 seconds.
• To count from 1 to 397,996,961,648 would take you about twenty-five thousand, three hundred ten 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 397996961648 cubic inches would be around 613 feet tall.

Recreational maths with 397996961648

• 397996961648 backwards is 846169699793
• The number of decimal digits it has is: 12
• The sum of 397996961648's digits is 77
• More coming soon!