664843826640

Names of 664843826640

• Cardinal: 664843826640 can be written as Six hundred sixty-four billion, eight hundred forty-three million, eight hundred twenty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.6484382664 × 10¹¹

Factors of 664843826640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1854

Divisors of 664843826640

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 56 60 70 73 80 84 98 105 112 120 140 146 147 168 196 210 219 240 245 280 292 294 336 365 392 420 438 490 511 560 584 588 730 735 784 823 840 876 941 980 1022 1095 1168 1176 1460 1470 1533 1646 1680 1752 1882 1960 2044 2190 2352 2469 2555 2823 2920 2940 3066 3292 3504 3577 3764 3920 4088 4115 4380 4705 4938 5110 5646 5761 5840 5880 6132 6584 6587 7154 7528 7665 8176 8230 8760 9410 9876 10220 10731 11292 11522 11760 12264 12345 13168 13174 14115 14308 15056 15330 16460 17283 17520 17885 18820 19752 19761 20440 21462 22584 23044 24528 24690 26348 28230 28616 28805 30660 32920 32935 34566 35770 37640 39504 39522 40327 40880 42924 45168 46088 46109 49380 52696 53655 56460 57232 57610 60079 61320 65840 65870 68693 69132 71540 75280 79044 80654 85848 86415 92176 92218 98760 98805 105392 107310 112920 115220 120158 120981 122640 131740 137386 138264 138327 143080 158088 161308 171696 172830 180237 184436 197520 197610 201635 206079 214620 225840 230440 230545 240316 241962 263480 274772 276528 276654 286160 300395 316176 322616 343465 345660 360474 368872 395220 403270 412158 420553 429240 460880 461090 480632 480851 483924 526960 549544 553308 600790 604905 645232 686930 691320 691635 720948 737744 774443 790440 806540 824316 841106 858480 901185 922180 961264 961702 967848 1030395 1099088 1106616 1201580 1209810 1261659 1373860 1382640 1383270 1441896 1442553 1548886 1580880 1613080 1648632 1682212 1802370 1844360 1923404 1935696 2060790 2102765 2213232 2323329 2403160 2404255 2419620 2523318 2747720 2766540 2883792 2885106 2943871 3097772 3226160 3297264 3364424 3365957 3604740 3688720 3846808 3872215 4121580 4205530 4646658 4806320 4808510 4839240 5046636 5421101 5495440 5533080 5770212 5887742 6195544 6308295 6728848 6731914 7209480 7212765 7693616 7744430 8243160 8411060 8831613 9293316 9617020 9678480 10093272 10097871 10842202 11066160 11540424 11616645 11775484 12391088 12616590 13463828 14418960 14425530 14719355 15488860 16263303 16486320 16822120 16829785 17663226 18586632 19234040 20186544 20195742 21684404 23080848 23233290 23550968 25233180 26927656 27105505 28851060 29438710 30977720 32526606 33644240 33659570 35326452 37173264 37947707 38468080 40391484 43368808 44158065 46466580 47101936 50466360 50489355 53855312 54211010 56534339 57702120 58877420 61955440 65053212 67319140 70652904 75895414 80782968 81316515 86737616 88316130 92933160 100932720 100978710 108422020 113068678 113843121 115404240 117754840 130106424 134638280 141305808 151790828 161565936 162633030 169603017 176632260 185866320 189738535 201957420 216844040 226137356 227686242 235509680 260212848 269276560 282671695 303581656 325266060 339206034 353264520 379477070 395740373 403914840 433688080 452274712 455372484 565343390 569215605 607163312 650532120 678412068 706529040 758954140 791480746 807829680 848015085 904549424 910744968 1130686780 1138431210 1187221119 1301064240 1356824136 1517908280 1582961492 1696030170 1821489936 1978701865 2261373560 2276862420 2374442238 2713648272 2770182611 3035816560 3165922984 3392060340 3957403730 4522747120 4553724840 4748884476 5540365222 5936105595 6331845968 6784120680 7914807460 8310547833 9107449680 9497768952 11080730444 11872211190 13568241360 13850913055 15829614920 16621095666 18995537904 22161460888 23744422380 27701826110 31659229840 33242191332 41552739165 44322921776 47488844760 55403652220 66484382664 83105478330 94977689520 110807304440 132968765328 166210956660 221614608880 332421913320 664843826640
• Sum of all divisors σ(n): 2435889735936
• Sum of proper divisors (its aliquot sum) s(n): 1771045909296
• 664843826640 is an abundant number, because the sum of its proper divisors (1771045909296) is greater than itself. Its abundance is 1106202082656

Bases of 664843826640

• Binary: 1001101011001011110001111011010111010000₂
• Hexadecimal: 0x9ACBC7B5D0
• Base-36: 8HFAUJTC

Squares and roots of 664843826640

• 664843826640 squared (664843826640²) is 442017313821318373689600
• 664843826640 cubed (664843826640³) is 293872482362099068773535159570944000
• The square root of 664843826640 is 815379.5598615405
• The cube root of 664843826640 is 8727.8353924171

Scales and comparisons

• 664,843,826,640 seconds is equal to 21,139 years, 50 weeks, 5 days, 16 hours, 44 minutes.
• To count from 1 to 664,843,826,640 would take you about forty-two thousand, two hundred seventy-nine 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 664843826640 cubic inches would be around 727.3 feet tall.

Recreational maths with 664843826640

• 664843826640 backwards is 046628348466
• The number of decimal digits it has is: 12
• The sum of 664843826640's digits is 57
• More coming soon!