61688801664

Names of 61688801664

• Cardinal: 61688801664 can be written as Sixty-one billion, six hundred eighty-eight million, eight hundred one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 6.1688801664 × 10¹⁰

Factors of 61688801664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3960

Divisors of 61688801664

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 32 36 42 48 49 54 56 62 63 64 72 81 84 93 96 98 108 112 124 126 128 144 147 162 168 186 189 192 196 216 217 224 248 252 279 288 294 324 336 372 378 384 392 432 434 441 448 496 504 558 567 576 588 648 651 672 744 756 784 837 864 868 882 896 992 1008 1116 1134 1152 1176 1296 1302 1323 1344 1488 1512 1519 1568 1674 1728 1736 1764 1953 1984 2016 2232 2268 2352 2511 2592 2604 2646 2688 2976 3024 3038 3136 3348 3456 3472 3528 3906 3917 3968 3969 4032 4464 4536 4557 4704 5022 5184 5208 5292 5859 5952 6048 6076 6272 6696 6944 7056 7812 7834 7938 8064 8928 9072 9114 9408 10044 10368 10416 10584 11718 11751 11904 12096 12152 13392 13671 13888 14112 15624 15668 15876 17577 17856 18144 18228 18816 20088 20832 21168 23436 23502 24192 24304 26784 27342 27419 27776 28224 31248 31336 31752 35154 35253 35712 36288 36456 40176 41013 41664 42336 46872 47004 48608 53568 54684 54838 56448 62496 62672 63504 70308 70506 72576 72912 80352 82026 82257 83328 84672 93744 94008 97216 105759 107136 109368 109676 121427 123039 124992 125344 127008 140616 141012 145824 160704 164052 164514 169344 187488 188016 191933 194432 211518 218736 219352 242854 246078 246771 249984 250688 254016 281232 282024 291648 317277 321408 328104 329028 364281 374976 376032 383866 423036 437472 438704 485708 492156 493542 501376 508032 562464 564048 575799 583296 634554 656208 658056 728562 740313 749952 752064 767732 846072 849989 874944 877408 971416 984312 987084 1092843 1124928 1128096 1151598 1269108 1312416 1316112 1457124 1480626 1504128 1535464 1692144 1699978 1727397 1749888 1754816 1942832 1968624 1974168 2185686 2220939 2249856 2256192 2303196 2538216 2549967 2624832 2632224 2914248 2961252 3070928 3278529 3384288 3399956 3454794 3509632 3885664 3937248 3948336 4371372 4441878 4512384 4606392 5076432 5099934 5182191 5249664 5264448 5828496 5922504 5949923 6141856 6557058 6768576 6799912 6909588 7649901 7771328 7874496 7896672 8742744 8883756 9212784 9835587 10152864 10199868 10364382 10528896 11656992 11845008 11899846 12283712 13114116 13537152 13599824 13819176 15299802 15542656 15546573 15748992 15793344 17485488 17767512 17849769 18425568 19671174 20305728 20399736 20728764 22949703 23313984 23690016 23799692 24567424 26228232 27199648 27638352 30599604 31093146 31586688 34970976 35535024 35699538 36851136 39342348 40611456 40799472 41457528 45899406 46627968 47380032 47599384 52456464 53549307 54399296 55276704 61199208 62186292 68849109 69941952 71070048 71399076 73702272 78684696 81598944 82915056 91798812 94760064 95198768 104912928 107098614 108798592 110553408 122398416 124372584 137698218 139883904 142140096 142798152 157369392 160647921 163197888 165830112 183597624 190397536 209825856 214197228 221106816 244796832 248745168 275396436 284280192 285596304 314738784 321295842 326395776 331660224 367195248 380795072 419651712 428394456 481943763 489593664 497490336 550792872 571192608 629477568 642591684 663320448 734390496 761590144 856788912 963887526 979187328 994980672 1101585744 1142385216 1258955136 1285183368 1468780992 1713577824 1927775052 1989961344 2203171488 2284770432 2570366736 2937561984 3427155648 3855550104 4406342976 5140733472 6854311296 7711100208 8812685952 10281466944 15422200416 20562933888 30844400832 61688801664
• Sum of all divisors σ(n): 220503159360
• Sum of proper divisors (its aliquot sum) s(n): 158814357696
• 61688801664 is an abundant number, because the sum of its proper divisors (158814357696) is greater than itself. Its abundance is 97125556032

Bases of 61688801664

• Binary: 111001011100111100000110100110000000₂
• Hexadecimal: 0xE5CF06980
• Base-36: SC7X400

Squares and roots of 61688801664

• 61688801664 squared (61688801664²) is 3805508250740329168896
• 61688801664 cubed (61688801664³) is 234757243710635747266099301842944
• The square root of 61688801664 is 248372.3045429985
• The cube root of 61688801664 is 3951.2585139837

Scales and comparisons

• 61,688,801,664 seconds is equal to 1,961 years, 26 weeks, 4 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 61,688,801,664 would take you about three thousand, nine hundred twenty-three 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 61688801664 cubic inches would be around 329.3 feet tall.

Recreational maths with 61688801664

• 61688801664 backwards is 46610888616
• 61688801664 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61688801664's digits is 54
• More coming soon!