640472025797415

Names of 640472025797415

• Cardinal: 640472025797415 can be written as Six hundred forty trillion, four hundred seventy-two billion, twenty-five million, seven hundred ninety-seven thousand, four hundred fifteen.

Scientific notation

• Scientific notation: 6.40472025797415 × 10¹⁴

Factors of 640472025797415

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5177

Divisors of 640472025797415

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 61 63 105 135 147 183 189 245 305 315 427 441 549 735 915 945 1281 1323 1647 2135 2205 2745 2989 3721 3843 5101 6405 6615 8235 8967 11163 11529 14945 15303 18605 19215 25505 26047 26901 33489 35707 44835 45909 55815 57645 76515 78141 80703 100467 107121 130235 134505 137727 167445 178535 182329 229545 234423 249949 311161 321363 390705 403515 502335 535605 546987 688635 703269 749847 911645 933483 964089 1172115 1249745 1555805 1606815 1640961 2178127 2249541 2734935 2800449 3516345 3749235 4667415 4820445 4922883 6534381 6748623 8204805 8401347 10890635 11247705 14002245 15246889 18980821 19603143 24614415 26020201 32671905 33743115 42006735 45740667 56942463 58809429 76234445 78060603 94904105 98015715 130101005 132865747 137222001 170827389 182141407 228703335 234181809 284712315 294047145 390303015 398597241 411666003 512482167 546424221 664328735 686110005 702545427 854136945 910707035 930060229 1170909045 1195791723 1274989849 1587232261 1639272663 1992986205 2058330015 2562410835 2732121105 2790180687 3512727135 3587375169 3824969547 4650301145 4761696783 4917817989 5978958615 6374949245 7936161305 8196363315 8370542061 11110625827 11474908641 13950903435 14285090349 17936875845 19124847735 23808483915 24589089945 25111626183 33331877481 34424725923 41852710305 42855271047 55553129135 57374543205 71425451745 77774380789 96821167921 99995632443 125558130915 166659387405 172123629615 214276355235 233323142367 290463503763 299986897329 388871903945 484105839605 499978162215 677748175447 699969427101 871390511289 1166615711835 1452317518815 1499934486645 2033244526341 2099908281303 2614171533867 3388740877235 3499847135505 4356952556445 4744237228129 6099733579023 10166222631705 10499541406515 13070857669335 14232711684387 18299200737069 23721186140645 30498667895115 42698135053161 71163558421935 91496003685345 128094405159483 213490675265805 640472025797415
• Sum of all divisors σ(n): 1346846906686320
• Sum of proper divisors (its aliquot sum) s(n): 706374880888905
• 640472025797415 is an abundant number, because the sum of its proper divisors (706374880888905) is greater than itself. Its abundance is 65902855091490

Bases of 640472025797415

• Binary: 10010001101000000110000011100101100001001100100111₂
• Hexadecimal: 0x2468183961327
• Base-36: 6B10SBNU3R

Squares and roots of 640472025797415

• 640472025797415 squared (640472025797415²) is 410204415829044625266620682225
• 640472025797415 cubed (640472025797415³) is 262724453197073419208196333108509586941448375
• The square root of 640472025797415 is 25307548.7907741673
• The cube root of 640472025797415 is 86198.5688271369

Scales and comparisons

• 640,472,025,797,415 seconds is equal to 20,365,029 years, 16 weeks, 22 hours, 50 minutes, 15 seconds.
• To count from 1 to 640,472,025,797,415 would take you about fifty million, nine hundred twelve thousand, five hundred seventy-three 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 640472025797415 cubic inches would be around 7183.2 feet tall.

Recreational maths with 640472025797415

• 640472025797415 backwards is 514797520274046
• 640472025797415 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 640472025797415's digits is 63
• More coming soon!