64728905472

Names of 64728905472

• Cardinal: 64728905472 can be written as Sixty-four billion, seven hundred twenty-eight million, nine hundred five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.4728905472 × 10¹⁰

Factors of 64728905472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 873

Divisors of 64728905472

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 41 42 44 48 56 63 64 66 72 77 82 84 88 96 99 112 121 123 126 128 132 144 154 164 168 176 192 198 224 231 242 246 252 256 264 287 288 308 328 336 352 363 369 384 396 448 451 462 484 492 504 528 574 576 616 656 672 693 704 726 738 768 792 809 847 861 896 902 924 968 984 1008 1056 1089 1148 1152 1232 1312 1344 1353 1386 1408 1452 1476 1584 1618 1694 1722 1792 1804 1848 1936 1968 2016 2112 2178 2296 2304 2427 2464 2541 2583 2624 2688 2706 2772 2816 2904 2952 3157 3168 3236 3388 3444 3608 3696 3872 3936 4032 4059 4224 4356 4592 4854 4928 4961 5082 5166 5248 5376 5412 5544 5663 5808 5904 6314 6336 6472 6776 6888 7216 7281 7392 7623 7744 7872 8064 8118 8448 8712 8899 9184 9471 9708 9856 9922 10164 10332 10496 10824 11088 11326 11616 11808 12628 12672 12944 13552 13776 14432 14562 14784 14883 15246 15488 15744 16128 16236 16989 17424 17798 18368 18942 19416 19712 19844 20328 20664 21648 22176 22652 23232 23616 25256 25344 25888 26697 27104 27552 28413 28864 29124 29568 29766 30492 30976 31488 32472 33169 33978 34727 34848 35596 36736 37884 38832 39688 40656 41328 43296 44352 44649 45304 46464 47232 50512 50967 51776 53394 54208 55104 56826 57728 58248 59136 59532 60984 62293 64944 66338 67956 69454 69696 71192 73472 75768 77664 79376 80091 81312 82656 86592 88704 89298 90608 92928 94464 97889 99507 101024 101934 103552 104181 106788 108416 110208 113652 115456 116496 119064 121968 124586 129888 132676 135912 138908 139392 142384 151536 155328 158752 160182 162624 165312 173184 177408 178596 181216 186879 195778 199014 202048 203868 207104 208362 213576 216832 220416 227304 232183 232992 238128 243936 249172 259776 265352 271824 277816 278784 284768 293667 298521 303072 310656 312543 317504 320364 325248 330624 346368 357192 362432 364859 373758 391556 398028 404096 407736 416724 427152 454608 464366 465984 476256 487872 498344 519552 530704 543648 555632 560637 569536 587334 597042 606144 621312 625086 635008 640728 650496 661248 685223 696549 714384 724864 729718 747516 783112 796056 808192 815472 833448 854304 881001 909216 928732 931968 952512 975744 996688 1039104 1061408 1087296 1094577 1111264 1121274 1139072 1174668 1194084 1212288 1250172 1270016 1281456 1370446 1393098 1428768 1449728 1459436 1495032 1566224 1592112 1630944 1666896 1708608 1762002 1818432 1857464 1863936 1905024 1951488 1993376 2055669 2089647 2122816 2174592 2189154 2222528 2242548 2278144 2349336 2388168 2424576 2500344 2554013 2562912 2740892 2786196 2857536 2918872 2990064 3132448 3184224 3261888 3283731 3333792 3417216 3524004 3636864 3714928 3810048 3986752 4013449 4111338 4179294 4245632 4349184 4378308 4445056 4485096 4698672 4776336 5000688 5108026 5125824 5481784 5572392 5715072 5837744 5980128 6167007 6264896 6368448 6523776 6567462 6667584 6834432 7048008 7273728 7429856 7662039 7973504 8026898 8222676 8358588 8491264 8756616 8890112 8970192 9397344 9552672 10001376 10216052 10251648 10963568 11144784 11430144 11675488 11960256 12040347 12334014 12529792 12736896 13047552 13134924 13335168 14096016 14859712 15324078 15947008 16053796 16445352 16717176 17513232 17940384 18794688 19105344 20002752 20432104 20503296 21927136 22289568 22986117 23350976 23920512 24080694 24668028 25059584 25473792 26269848 26670336 28094143 28192032 29719424 30648156 32107592 32890704 33434352 35026464 35880768 36121041 37589376 38210688 40005504 40864208 43854272 44579136 45972234 46701952 47841024 48161388 49336056 52539696 56188286 56384064 59438848 61296312 64215184 65781408 66868704 70052928 71761536 72242082 75178752 76421376 80011008 81728416 84282429 87708544 89158272 91944468 93403904 96322776 98672112 105079392 112376572 112768128 122592624 128430368 131562816 133737408 140105856 143523072 144484164 163456832 168564858 175417088 178316544 183888936 192645552 197344224 210158784 224753144 225536256 245185248 252847287 256860736 263125632 267474816 280211712 288968328 326913664 337129716 367777872 385291104 394688448 420317568 449506288 490370496 505694574 513721472 526251264 534949632 577936656 653827328 674259432 735555744 770582208 789376896 840635136 899012576 980740992 1011389148 1027442944 1155873312 1348518864 1471111488 1541164416 1578753792 1798025152 1961481984 2022778296 2311746624 2697037728 2942222976 3082328832 3596050304 4045556592 4623493248 5394075456 5884445952 7192100608 8091113184 9246986496 10788150912 16182226368 21576301824 32364452736 64728905472
• Sum of all divisors σ(n): 240458531040
• Sum of proper divisors (its aliquot sum) s(n): 175729625568
• 64728905472 is an abundant number, because the sum of its proper divisors (175729625568) is greater than itself. Its abundance is 111000720096

Bases of 64728905472

• Binary: 111100010010001001001011011100000000₂
• Hexadecimal: 0xF1224B700
• Base-36: TQHX340

Squares and roots of 64728905472

• 64728905472 squared (64728905472²) is 4189831203603111542784
• 64728905472 cubed (64728905472³) is 271203187921661792857937619714048
• The square root of 64728905472 is 254418.7600630109
• The cube root of 64728905472 is 4015.1282426043

Scales and comparisons

• 64,728,905,472 seconds is equal to 2,058 years, 9 weeks, 2 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 64,728,905,472 would take you about four thousand, one hundred sixteen 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 64728905472 cubic inches would be around 334.6 feet tall.

Recreational maths with 64728905472

• 64728905472 backwards is 27450982746
• The number of decimal digits it has is: 11
• The sum of 64728905472's digits is 54
• More coming soon!