64643478144

Names of 64643478144

• Cardinal: 64643478144 can be written as Sixty-four billion, six hundred forty-three million, four hundred seventy-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 6.4643478144 × 10¹⁰

Factors of 64643478144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1217

Divisors of 64643478144

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 47 48 49 56 64 67 84 94 96 98 112 128 134 141 147 168 188 192 196 201 224 268 282 294 329 336 376 384 392 402 448 469 536 564 588 658 672 752 784 804 896 938 987 1072 1091 1128 1176 1316 1344 1407 1504 1568 1608 1876 1974 2144 2182 2256 2303 2352 2632 2688 2814 3008 3136 3149 3216 3273 3283 3752 3948 4288 4364 4512 4606 4704 5264 5628 6016 6272 6298 6432 6546 6566 6909 7504 7637 7896 8576 8728 9024 9212 9408 9447 9849 10528 11256 12596 12864 13092 13132 13818 15008 15274 15792 17456 18048 18424 18816 18894 19698 21056 22043 22512 22911 25192 25728 26184 26264 27636 30016 30548 31584 34912 36848 37788 39396 42112 44086 45024 45822 50384 51277 52368 52528 53459 55272 60032 61096 63168 66129 69824 73097 73696 75576 78792 88172 90048 91644 100768 102554 104736 105056 106918 110544 122192 126336 132258 139648 146194 147392 151152 153831 154301 157584 160377 176344 180096 183288 201536 205108 209472 210112 213836 219291 221088 244384 264516 292388 294784 302304 307662 308602 315168 320754 352688 358939 366576 403072 410216 418944 420224 427672 438582 442176 462903 488768 511679 529032 584776 604608 615324 617204 630336 641508 705376 717878 733152 820432 855344 877164 884352 925806 977536 1023358 1058064 1076817 1169552 1209216 1230648 1234408 1260672 1283016 1410752 1435756 1466304 1535037 1640864 1710688 1754328 1851612 2046716 2116128 2153634 2339104 2461296 2468816 2512573 2566032 2821504 2871512 2932608 3070074 3281728 3421376 3435559 3508656 3581753 3703224 4093432 4232256 4307268 4678208 4922592 4937632 5025146 5132064 5743024 6140148 6563456 6842752 6871118 7017312 7163506 7406448 7537719 8186864 8464512 8614536 9356416 9845184 9875264 10050292 10264128 10306677 10745259 11486048 12280296 13742236 14034624 14327012 14812896 15075438 16373728 17229072 19690368 19750528 20100584 20528256 20613354 21490518 22972096 24048913 24560592 27484472 28069248 28654024 29625792 30150876 32747456 34458144 40201168 41226708 42981036 45944192 48097826 49121184 54968944 57308048 59251584 60301752 65494912 68916288 72146739 80402336 82453416 85962072 96195652 98242368 109937888 114616096 120603504 137832576 144293478 160804672 164906832 168342391 171924144 192391304 196484736 219875776 229232192 241207008 288586956 321609344 329813664 336684782 343848288 384782608 439751552 458464384 482414016 505027173 577173912 659627328 673369564 687696576 769565216 964828032 1010054346 1154347824 1319254656 1346739128 1375393152 1539130432 2020108692 2308695648 2693478256 3078260864 4040217384 4617391296 5386956512 8080434768 9234782592 10773913024 16160869536 21547826048 32321739072 64643478144
• Sum of all divisors σ(n): 207227704320
• Sum of proper divisors (its aliquot sum) s(n): 142584226176
• 64643478144 is an abundant number, because the sum of its proper divisors (142584226176) is greater than itself. Its abundance is 77940748032

Bases of 64643478144

• Binary: 111100001101000011010011001010000000₂
• Hexadecimal: 0xF0D0D3280
• Base-36: TP322YO

Squares and roots of 64643478144

• 64643478144 squared (64643478144²) is 4178779266553805684736
• 64643478144 cubed (64643478144³) is 270130826186071287981254570409984
• The square root of 64643478144 is 254250.8173910165
• The cube root of 64643478144 is 4013.3611151253

Scales and comparisons

• 64,643,478,144 seconds is equal to 2,055 years, 24 weeks, 9 hours, 42 minutes, 24 seconds.
• To count from 1 to 64,643,478,144 would take you about four thousand, one hundred ten 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 64643478144 cubic inches would be around 334.4 feet tall.

Recreational maths with 64643478144

• 64643478144 backwards is 44187434646
• The number of decimal digits it has is: 11
• The sum of 64643478144's digits is 51
• More coming soon!