389994943776636796928

Names of 389994943776636796928

• Cardinal: 389994943776636796928 can be written as Three hundred eighty-nine quintillion, nine hundred ninety-four quadrillion, nine hundred forty-three trillion, seven hundred seventy-six billion, six hundred thirty-six million, seven hundred ninety-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 3.89994943776636796928 × 10²⁰

Factors of 389994943776636796928

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 5202

Divisors of 389994943776636796928

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1024 1331 1408 1936 2048 2662 2816 3872 4096 5189 5324 5632 7744 8192 10378 10648 11264 15488 16384 20756 21296 22528 30976 32768 41512 42592 45056 57079 61952 65536 83024 85184 90112 114158 123904 131072 166048 170368 180224 228316 247808 262144 332096 340736 360448 456632 495616 524288 627869 664192 681472 720896 913264 991232 1048576 1255738 1328384 1362944 1441792 1826528 1982464 2097152 2511476 2656768 2725888 2883584 3653056 3964928 5022952 5313536 5451776 5767168 6906559 7306112 7929856 10045904 10627072 10903552 11534336 13813118 14612224 15859712 20091808 21254144 21807104 23068672 26925721 27626236 29224448 31719424 40183616 42508288 43614208 53851442 55252472 58448896 63438848 80367232 85016576 87228416 107702884 110504944 116897792 126877696 160734464 170033152 174456832 215405768 221009888 233795584 253755392 296182931 321468928 340066304 348913664 430811536 442019776 467591168 592365862 642937856 680132608 697827328 861623072 884039552 935182336 1184731724 1285875712 1360265216 1395654656 1723246144 1768079104 1870364672 2369463448 2571751424 2720530432 2791309312 3258012241 3446492288 3536158208 3740729344 4738926896 5143502848 5441060864 6516024482 6892984576 7072316416 7481458688 9477853792 10287005696 10882121728 13032048964 13785969152 14144632832 14962917376 18955707584 20574011392 26064097928 27571938304 28289265664 29925834752 35838134651 37911415168 41148022784 52128195856 55143876608 56578531328 59851669504 71676269302 75822830336 82296045568 104256391712 110287753216 113157062656 119703339008 143352538604 151645660672 164592091136 208512783424 220575506432 226314125312 286705077208 303291321344 329184182272 417025566848 441151012864 452628250624 573410154416 606582642688 658368364544 834051133696 882302025728 905256501248 1146820308832 1213165285376 1316736729088 1668102267392 1764604051456 1810513002496 2293640617664 2426330570752 3336204534784 3529208102912 3621026004992 4587281235328 4852661141504 6672409069568 7058416205824 7242052009984 9174562470656 9705322283008 13344818139136 14116832411648 14484104019968 18349124941312 19410644566016 26689636278272 28233664823296 36698249882624 38821289132032 53379272556544 56467329646592 73396499765248 77642578264064 106758545113088 146792999530496 155285156528128 213517090226176 293585999060992 310570313056256 427034180452352 587171998121984 621140626112512 854068360904704 1174343996243968 1708136721809408 2348687992487936 3416273443618816 4697375984975872 6832546887237632 9394751969951744 18789503939903488 37579007879806976 75158015759613952
• Sum of all divisors σ(n): 390085153931648431288
• Sum of proper divisors (its aliquot sum) s(n): 90210155011634360
• 389994943776636796928 is a deficient number, because the sum of its proper divisors (90210155011634360) is less than itself. Its deficiency is 389904733621625162568

Bases of 389994943776636796928

• Binary: 101010010010001000100010111110001010101000100111000000000000000000000₂
• Hexadecimal: 0x1524445F1544E00000
• Base-36: 2AAZYDM66T0268

Squares and roots of 389994943776636796928

• 389994943776636796928 squared (389994943776636796928²) is 152096056171342096302440584550583510237184
• 389994943776636796928 cubed (389994943776636796928³) is 59316692875190752971263119351947864626087630344493279322570752
• The square root of 389994943776636796928 is 19748289641.8053580493
• 389994943776636796928 is a perfect cube number. Its cube root is 7306112

Scales and comparisons

• 389,994,943,776,636,796,928 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 389,994,943,776,636,796,928 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 389994943776636796928 cubic inches would be around 608842.7 feet tall.

Recreational maths with 389994943776636796928

• 389994943776636796928 backwards is 829697636677349499983
• The number of decimal digits it has is: 21
• The sum of 389994943776636796928's digits is 134
• More coming soon!