3990638915656250

Names of 3990638915656250

• Cardinal: 3990638915656250 can be written as Three quadrillion, nine hundred ninety trillion, six hundred thirty-eight billion, nine hundred fifteen million, six hundred fifty-six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 3.99063891565625 × 10¹⁵

Factors of 3990638915656250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 464

Divisors of 3990638915656250

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 5 10 11 13 22 25 26 50 55 65 110 121 125 130 143 242 250 275 286 325 433 550 605 625 650 715 866 1210 1250 1375 1430 1573 1625 2165 2750 3025 3125 3146 3250 3575 4330 4763 5629 6050 6250 6875 7150 7865 8125 9526 10825 11258 13750 15125 15625 15730 16250 17875 21650 23815 28145 30250 31250 34375 35750 39325 40625 47630 52393 54125 56290 61919 68750 75625 78650 81250 89375 104786 108250 119075 123838 140725 151250 171875 178750 187489 196625 203125 238150 261965 270625 281450 309595 343750 374978 378125 393250 406250 446875 523930 541250 595375 619190 681109 703625 756250 893750 937445 983125 1190750 1309825 1353125 1362218 1407250 1547975 1874890 1890625 1966250 2062379 2234375 2437357 2619650 2706250 2976875 3095950 3405545 3518125 3781250 4124758 4468750 4687225 4874714 4915625 5953750 6549125 6765625 6811090 7036250 7739875 9374450 9831250 10311895 12186785 13098250 13531250 14884375 15479750 17027725 17590625 20623790 22686169 23436125 24373570 24578125 26810927 29768750 32745625 34055450 35181250 38699375 45372338 46872250 49156250 51559475 53621854 60933925 65491250 74421875 77398750 81182737 85138625 87953125 103118950 113430845 117180625 121867850 134054635 148843750 162365474 163728125 170277250 175906250 193496875 226861690 234361250 257797375 268109270 294920197 304669625 327456250 386993750 405913685 425693125 515594750 567154225 585903125 589840394 609339250 670273175 811827370 818640625 851386250 893010107 967484375 1055375581 1134308450 1171806250 1288986875 1340546350 1474600985 1523348125 1637281250 1786020214 1934968750 2029568425 2110751162 2128465625 2577973750 2835771125 2929515625 2949201970 3046696250 3351365875 4059136850 4256931250 4465050535 5276877905 5671542250 5859031250 6444934375 6702731750 7373004925 7616740625 8930101070 9823111177 10147842125 10553755810 10642328125 11609131391 12889868750 14178855625 14746009850 15233481250 16756829375 19646222354 20295684250 21284656250 22325252675 23218262782 26384389525 28357711250 32224671875 33513658750 36865024625 38083703125 44650505350 49115555885 50739210625 52768779050 58045656955 64449343750 70894278125 73730049250 76167406250 83784146875 98231111770 101478421250 111626263375 116091313910 127700445301 131921947625 141788556250 167568293750 184325123125 223252526750 245577779425 253696053125 255400890602 263843895250 290228284775 354471390625 368650246250 418920734375 491155558850 507392106250 558131316875 580456569550 638502226505 659609738125 708942781250 837841468750 921625615625 1116262633750 1227888897125 1268480265625 1277004453010 1319219476250 1451141423875 1843251231250 2455777794250 2536960531250 2790656584375 2902282847750 3192511132525 3298048690625 4608128078125 5581313168750 6139444485625 6385022265050 6596097381250 7255707119375 9216256156250 12278888971250 13953282921875 14511414238750 15962555662625 16490243453125 27906565843750 30697222428125 31925111325250 32980486906250 36278535596875 61394444856250 72557071193750 79812778313125 153486112140625 159625556626250 181392677984375 306972224281250 362785355968750 399063891565625 798127783131250 1995319457828125 3990638915656250
• Sum of all divisors σ(n): 8877552513529560
• Sum of proper divisors (its aliquot sum) s(n): 4886913597873310
• 3990638915656250 is an abundant number, because the sum of its proper divisors (4886913597873310) is greater than itself. Its abundance is 896274682217060

Bases of 3990638915656250

• Binary: 1110001011010111011100000110111111101001101000111010₂
• Hexadecimal: 0xE2D7706FE9A3A
• Base-36: 13AKA7J4Z7E

Squares and roots of 3990638915656250

• 3990638915656250 squared (3990638915656250²) is 15925198955150090801368164062500
• 3990638915656250 cubed (3990638915656250³) is 63551718689990203832040577838314849853515625000
• The square root of 3990638915656250 is 63171503.9844410383
• The cube root of 3990638915656250 is 158616.1768450477

Scales and comparisons

• 3,990,638,915,656,250 seconds is equal to 126,889,973 years, 34 weeks, 2 days, 16 hours, 30 minutes, 50 seconds.
• To count from 1 to 3,990,638,915,656,250 would take you about three hundred eighty million, six hundred sixty-nine thousand, nine hundred twenty 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 3990638915656250 cubic inches would be around 13218 feet tall.

Recreational maths with 3990638915656250

• 3990638915656250 backwards is 0526565198360993
• The number of decimal digits it has is: 16
• The sum of 3990638915656250's digits is 77
• More coming soon!