64228172472

Names of 64228172472

• Cardinal: 64228172472 can be written as Sixty-four billion, two hundred twenty-eight million, one hundred seventy-two thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.4228172472 × 10¹⁰

Factors of 64228172472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 706

Divisors of 64228172472

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 29 36 41 58 72 82 87 116 123 164 174 232 246 261 328 348 369 492 522 631 696 738 841 984 1044 1189 1262 1476 1681 1682 1893 2088 2378 2523 2524 2952 3362 3364 3567 3786 4756 5043 5046 5048 5679 6724 6728 7134 7569 7572 9512 10086 10092 10701 11358 13448 14268 15129 15138 15144 18299 20172 20184 21402 22716 25871 28536 30258 30276 34481 36598 40344 42804 45432 48749 51742 54897 60516 60552 68962 73196 77613 85608 97498 103443 103484 109794 121032 137924 146247 146392 155226 164691 194996 206886 206968 219588 232839 275848 292494 310329 310452 329382 389992 413772 438741 439176 465678 530671 584988 620658 620904 658764 750259 827544 877482 931356 1060711 1061342 1169976 1241316 1317528 1413721 1500518 1592013 1754964 1862712 2121422 2122684 2250777 2482632 2827442 3001036 3182133 3184026 3509928 4241163 4242844 4245368 4501554 4776039 5654884 6002072 6364266 6368052 6752331 8482326 8485688 9003108 9546399 9552078 11309768 12723489 12728532 12736104 13504662 16964652 18006216 19092798 19104156 21757511 25446978 25457064 27009324 30760619 33929304 38185596 38208312 43515022 50893956 54018648 61521238 65272533 76371192 87030044 92281857 101787912 123042476 130545066 174060088 184563714 195817599 246084952 261090132 276845571 369127428 391635198 522180264 553691142 738254856 783270396 892057951 1107382284 1566540792 1784115902 2214764568 2676173853 3568231804 5352347706 7136463608 8028521559 10704695412 16057043118 21409390824 32114086236 64228172472
• Sum of all divisors σ(n): 184950334920
• Sum of proper divisors (its aliquot sum) s(n): 120722162448
• 64228172472 is an abundant number, because the sum of its proper divisors (120722162448) is greater than itself. Its abundance is 56493989976

Bases of 64228172472

• Binary: 111011110100010011000010001010111000₂
• Hexadecimal: 0xEF44C22B8
• Base-36: TI7SN20

Squares and roots of 64228172472

• 64228172472 squared (64228172472²) is 4125258139092978590784
• 64228172472 cubed (64228172472³) is 264957791249185594573078261698048
• The square root of 64228172472 is 253432.7770277555
• The cube root of 64228172472 is 4004.7479551671

Scales and comparisons

• 64,228,172,472 seconds is equal to 2,042 years, 13 weeks, 2 days, 15 hours, 1 minute, 12 seconds.
• To count from 1 to 64,228,172,472 would take you about four thousand and eighty-four 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 64228172472 cubic inches would be around 333.7 feet tall.

Recreational maths with 64228172472

• 64228172472 backwards is 27427182246
• The number of decimal digits it has is: 11
• The sum of 64228172472's digits is 45
• More coming soon!