640646314848

Names of 640646314848

• Cardinal: 640646314848 can be written as Six hundred forty billion, six hundred forty-six million, three hundred fourteen thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 6.40646314848 × 10¹¹

Factors of 640646314848

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14026

Divisors of 640646314848

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 97 102 136 144 153 194 204 272 288 291 306 388 408 544 582 612 776 816 873 1164 1224 1552 1632 1649 1746 2328 2448 3104 3298 3492 4656 4896 4947 6596 6984 9312 9409 9894 13192 13907 13968 14841 18818 19788 26384 27814 27936 28227 29682 37636 39576 41721 52768 55628 56454 59364 75272 79152 83442 84681 111256 112908 118728 125163 150544 158304 159953 166884 169362 222512 225816 236419 237456 250326 301088 319906 333768 338724 445024 451632 472838 474912 479859 500652 639812 667536 677448 709257 903264 945676 959718 1001304 1279624 1335072 1348979 1354896 1418514 1439577 1891352 1919436 2002608 2127771 2559248 2697958 2709792 2837028 2879154 3782704 3838872 4005216 4046937 4255542 5118496 5395916 5674056 5758308 7565408 7677744 8093874 8511084 10791832 11348112 11516616 12140811 15355488 16187748 17022168 21583664 22696224 22932643 23033232 24281622 32375496 34044336 43167328 45865286 46066464 48563244 64750992 68088672 68797929 91730572 97126488 129501984 130850963 137595858 183461144 194252976 206393787 261701926 275191716 366922288 388505952 392552889 412787574 523403852 550383432 733844576 785105778 825575148 1046807704 1100766864 1177658667 1570211556 1651150296 2093615408 2201533728 2224466371 2355317334 3140423112 3302300592 4187230816 4448932742 4710634668 6280846224 6604601184 6673399113 8897865484 9421269336 12561692448 13346798226 17795730968 18842538672 20020197339 26693596452 35591461936 37685077344 40040394678 53387192904 71182923872 80080789356 106774385808 160161578712 213548771616 320323157424 640646314848
• Sum of all divisors σ(n): 1949236714152
• Sum of proper divisors (its aliquot sum) s(n): 1308590399304
• 640646314848 is an abundant number, because the sum of its proper divisors (1308590399304) is greater than itself. Its abundance is 667944084456

Bases of 640646314848

• Binary: 1001010100101001011111101111101101100000₂
• Hexadecimal: 0x95297EFB60
• Base-36: 86B49W80

Squares and roots of 640646314848

• 640646314848 squared (640646314848²) is 410427700728322745263104
• 640646314848 cubed (640646314848³) is 262938993983137772372786225781768192
• The square root of 640646314848 is 800403.8448483365
• The cube root of 640646314848 is 8620.6387073455

Scales and comparisons

• 640,646,314,848 seconds is equal to 20,370 years, 29 weeks, 4 days, 21 hours, 40 minutes, 48 seconds.
• To count from 1 to 640,646,314,848 would take you about forty thousand, seven hundred forty-one 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 640646314848 cubic inches would be around 718.4 feet tall.

Recreational maths with 640646314848

• 640646314848 backwards is 848413646046
• The number of decimal digits it has is: 12
• The sum of 640646314848's digits is 54
• More coming soon!