399988972416

Names of 399988972416

• Cardinal: 399988972416 can be written as Three hundred ninety-nine billion, nine hundred eighty-eight million, nine hundred seventy-two thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 3.99988972416 × 10¹¹

Factors of 399988972416

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 35185

Divisors of 399988972416

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 37 44 48 64 66 73 74 88 96 111 128 132 146 148 176 192 219 222 264 292 296 352 384 407 438 444 528 584 592 704 803 814 876 888 1056 1168 1184 1221 1408 1606 1628 1752 1776 2112 2336 2368 2409 2442 2701 3212 3256 3504 3552 4224 4672 4736 4818 4884 5402 6424 6512 7008 7104 8103 9344 9636 9768 10804 12848 13024 14016 14208 16206 19272 19536 21608 25696 26048 28032 29711 32412 35059 38544 39072 43216 51392 52096 59422 64824 70118 77088 78144 86432 89133 102784 105177 118844 129648 140236 154176 156288 172864 178266 210354 237688 259296 280472 308352 345728 356532 385649 420708 475376 518592 560944 713064 771298 841416 950752 1037184 1121888 1156947 1297183 1426128 1542596 1682832 1901504 2243776 2313894 2559307 2594366 2852256 3085192 3365664 3803008 3891549 4487552 4627788 5118614 5188732 5704512 6170384 6731328 7677921 7783098 9255576 10237228 10377464 11409024 12340768 13462656 14269013 15355842 15566196 18511152 20474456 20754928 24681536 28152377 28538026 30711684 31132392 37022304 40948912 41509856 42807039 49363072 56304754 57076052 61423368 62264784 74044608 81897824 83019712 84457131 85614078 94694359 112609508 114152104 122846736 124529568 148089216 163795648 166039424 168914262 171228156 189388718 225219016 228304208 245693472 249059136 284083077 327591296 337828524 342456312 378777436 450438032 456608416 491386944 498118272 568166154 675657048 684912624 757554872 900876064 913216832 982773888 1041637949 1136332308 1351314096 1369825248 1515109744 1801752128 1826433664 2083275898 2272664616 2702628192 2739650496 3030219488 3124913847 3603504256 4166551796 4545329232 5405256384 5479300992 6060438976 6249827694 8333103592 9090658464 10810512768 12120877952 12499655388 16666207184 18181316928 24999310776 33332414368 36362633856 49998621552 66664828736 99997243104 133329657472 199994486208 399988972416
• Sum of all divisors σ(n): 1206725932800
• Sum of proper divisors (its aliquot sum) s(n): 806736960384
• 399988972416 is an abundant number, because the sum of its proper divisors (806736960384) is greater than itself. Its abundance is 406747987968

Bases of 399988972416

• Binary: 101110100100001001100110101101110000000₂
• Hexadecimal: 0x5D21335B80
• Base-36: 53R33UDC

Squares and roots of 399988972416

• 399988972416 squared (399988972416²) is 159991178054407608877056
• 399988972416 cubed (399988972416³) is 63994706905607789614345269119287296
• The square root of 399988972416 is 632446.8139029557
• The cube root of 399988972416 is 7367.9952867139

Scales and comparisons

• 399,988,972,416 seconds is equal to 12,718 years, 21 weeks, 2 days, 23 hours, 53 minutes, 36 seconds.
• To count from 1 to 399,988,972,416 would take you about twenty-five thousand, four hundred thirty-six 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 399988972416 cubic inches would be around 614 feet tall.

Recreational maths with 399988972416

• 399988972416 backwards is 614279889993
• The number of decimal digits it has is: 12
• The sum of 399988972416's digits is 75
• More coming soon!