64400189568

Names of 64400189568

• Cardinal: 64400189568 can be written as Sixty-four billion, four hundred million, one hundred eighty-nine thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 6.4400189568 × 10¹⁰

Factors of 64400189568

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1188

Divisors of 64400189568

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 29 32 33 37 39 44 48 52 58 64 66 74 78 87 88 96 104 111 116 128 132 143 148 156 174 176 192 208 222 232 264 286 296 312 319 348 352 377 384 407 416 429 444 464 481 528 572 592 624 638 696 704 754 814 832 858 888 928 957 962 1056 1073 1093 1131 1144 1184 1221 1248 1276 1392 1408 1443 1508 1628 1664 1716 1776 1856 1914 1924 2112 2146 2186 2262 2288 2368 2442 2496 2552 2784 2886 3016 3219 3256 3279 3432 3552 3712 3828 3848 4147 4224 4292 4372 4524 4576 4736 4884 4992 5104 5291 5568 5772 6032 6438 6512 6558 6864 7104 7656 7696 8294 8584 8744 9048 9152 9768 10208 10582 11136 11544 11803 12023 12064 12441 12876 13024 13116 13728 13949 14208 14209 15312 15392 15873 16588 17168 17488 18096 18304 19536 20416 21164 23088 23606 24046 24128 24882 25752 26048 26232 27456 27898 28418 30624 30784 31697 31746 33176 34336 34976 35409 36069 36192 39072 40441 40832 41847 42328 42627 46176 47212 48092 48256 49764 51504 52096 52464 54912 55796 56836 61248 61568 63394 63492 66352 68672 69952 70818 72138 72384 78144 80882 83694 84656 85254 92352 94424 95091 96184 99528 103008 104928 111592 113672 121323 122496 126788 126984 132704 137344 139904 141636 144276 144768 153439 156288 156299 161764 167388 169312 170508 184704 188848 190182 192368 199056 206016 209856 223184 227344 242646 253576 253968 265408 283272 288552 306878 312598 323528 334776 338624 341016 348667 377696 380364 384736 398112 412032 412061 419712 444851 446368 454688 460317 468897 485292 507152 507936 525733 530816 566544 577104 613756 625196 647056 669552 677248 682032 697334 755392 760728 769472 796224 824122 889702 892736 909376 920634 937794 970584 1014304 1015872 1046001 1051466 1133088 1154208 1172789 1227512 1236183 1250392 1294112 1334553 1339104 1364064 1394668 1510784 1521456 1538944 1577199 1592448 1648244 1779404 1785472 1818752 1841268 1875588 1941168 2028608 2031744 2092002 2102932 2266176 2308416 2345578 2455024 2472366 2500784 2588224 2669106 2678208 2728128 2789336 3042912 3154398 3296488 3518367 3558808 3682536 3751176 3882336 4057216 4184004 4205864 4532352 4532671 4616832 4691156 4910048 4944732 5001568 5176448 5338212 5356416 5456256 5578672 5783063 6085824 6308796 6592976 7036734 7117616 7365072 7502352 7764672 8368008 8411728 9065342 9382312 9820096 9889464 10003136 10676424 11157344 11566126 12171648 12617592 12900679 13185952 13598013 14073468 14235232 14730144 15004704 15246257 15529344 16736016 16823456 17349189 18130684 18764624 19640192 19778928 20006272 21352848 22314688 23132252 25235184 25801358 26371904 27196026 28146936 28470464 29460288 30009408 30492514 33472032 33646912 34698378 36261368 37529248 38702037 39557856 42705696 44629376 45738771 46264504 50470368 51602716 52743808 54392052 56293872 56940928 58920576 60018816 60985028 66944064 67293824 69396756 72522736 75058496 77404074 79115712 85411392 91477542 92529008 100940736 103205432 108784104 112587744 121970056 133888128 138793512 145045472 150116992 154808148 158231424 167708827 170822784 182955084 185058016 201881472 206410864 217568208 225175488 243940112 277587024 290090944 309616296 335417654 365910168 370116032 412821728 435136416 450350976 487880224 503126481 555174048 580181888 619232592 670835308 731820336 740232064 825643456 870272832 975760448 1006252962 1110348096 1238465184 1341670616 1463640672 1651286912 1740545664 1951520896 2012505924 2220696192 2476930368 2683341232 2927281344 4025011848 4953860736 5366682464 5854562688 8050023696 10733364928 16100047392 21466729856 32200094784 64400189568
• Sum of all divisors σ(n): 213713337600
• Sum of proper divisors (its aliquot sum) s(n): 149313148032
• 64400189568 is an abundant number, because the sum of its proper divisors (149313148032) is greater than itself. Its abundance is 84912958464

Bases of 64400189568

• Binary: 111011111110100011001110100010000000₂
• Hexadecimal: 0xEFE8CE880
• Base-36: TL27KAO

Squares and roots of 64400189568

• 64400189568 squared (64400189568²) is 4147384416394336026624
• 64400189568 cubed (64400189568³) is 267092342627164287156077495058432
• The square root of 64400189568 is 253771.9243099993
• The cube root of 64400189568 is 4008.3199652129

Scales and comparisons

• 64,400,189,568 seconds is equal to 2,047 years, 37 weeks, 5 days, 13 hours, 32 minutes, 48 seconds.
• To count from 1 to 64,400,189,568 would take you about four thousand and ninety-five 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 64400189568 cubic inches would be around 334 feet tall.

Recreational maths with 64400189568

• 64400189568 backwards is 86598100446
• The number of decimal digits it has is: 11
• The sum of 64400189568's digits is 51
• More coming soon!