640713562020

Names of 640713562020

• Cardinal: 640713562020 can be written as Six hundred forty billion, seven hundred thirteen million, five hundred sixty-two thousand and twenty.

Scientific notation

• Scientific notation: 6.4071356202 × 10¹¹

Factors of 640713562020

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 821

Divisors of 640713562020

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 28 30 31 34 35 36 42 45 49 51 60 62 63 68 70 84 85 90 93 98 102 105 119 124 126 140 147 153 155 170 180 186 196 204 210 217 238 245 252 255 279 294 306 307 310 315 340 357 372 420 434 441 449 465 476 490 510 527 558 588 595 612 614 620 630 651 714 735 765 833 868 882 898 921 930 980 1020 1054 1071 1085 1116 1190 1228 1260 1302 1347 1395 1428 1470 1519 1530 1535 1581 1666 1764 1785 1796 1842 1860 1953 2108 2142 2149 2170 2205 2245 2380 2499 2604 2635 2694 2763 2790 2940 3038 3060 3070 3143 3162 3255 3332 3570 3684 3689 3906 4041 4165 4284 4298 4340 4410 4490 4557 4605 4743 4998 5219 5270 5355 5388 5526 5580 6076 6140 6286 6324 6447 6510 6735 7140 7378 7497 7595 7633 7812 7905 8082 8330 8596 8820 8980 9114 9210 9429 9486 9517 9765 9996 10438 10540 10710 10745 11052 11067 12495 12572 12894 13020 13470 13671 13815 13919 14756 14994 15043 15190 15266 15657 15715 15810 16164 16660 18228 18420 18445 18858 18972 19034 19341 19530 20205 20876 21420 21490 22001 22134 22785 22899 23715 24990 25788 25823 26095 26940 27342 27630 27838 28287 28551 29988 30086 30380 30532 31314 31430 31620 32235 33201 36533 36890 37485 37716 38068 38165 38682 39060 40410 41757 42980 44002 44268 45129 45570 45798 46971 47145 47430 47585 49980 51646 52190 53431 54684 55260 55335 55676 56574 57102 60172 62628 62860 64470 66003 66402 66619 68355 68697 69595 73066 73780 74970 75215 76330 77364 77469 78285 80820 83514 85653 88004 90258 91140 91596 93942 94290 94860 95170 96705 97433 103292 104380 106862 109599 110005 110670 113148 114204 114495 125271 128940 129115 132006 132804 133238 135387 136710 137394 137843 139190 141435 142755 146132 149940 150430 152660 154938 156570 160293 161789 166005 167028 171306 180516 182665 187884 188580 190340 193410 194866 198009 199857 208785 213724 219198 220010 221340 225645 228990 232407 234855 236623 250542 255731 258230 264012 266476 267155 270774 273420 274788 275686 278380 282870 285510 292299 300860 309876 313140 320586 323578 328797 330015 332010 333095 342612 343485 365330 374017 386820 387345 389732 396018 399714 413529 417570 428265 438396 440020 451290 457980 464814 466333 469710 473246 480879 485367 487165 501084 511462 516460 534310 541548 547995 551372 565740 571020 584598 599571 626355 641172 647156 657594 660030 664020 666190 676935 682031 686970 689215 709869 730660 748034 767193 774690 792036 799428 801465 808945 827058 835140 856530 876897 902580 929628 932666 939420 946492 961758 964901 970734 974330 990045 999285 1022924 1068620 1095990 1122051 1132523 1162035 1169196 1183115 1199142 1240587 1252710 1278655 1315188 1320060 1332380 1353870 1364062 1373940 1378430 1398999 1419738 1456101 1461495 1496068 1534386 1549380 1602930 1617890 1643985 1654116 1656361 1713060 1753794 1865332 1870085 1923516 1929802 1941468 1948660 1980090 1998570 2046093 2067645 2129607 2191980 2244102 2265046 2301579 2324070 2331665 2343331 2366230 2398284 2404395 2426835 2481174 2505420 2557310 2707740 2728124 2756860 2797998 2839476 2894703 2912202 2922990 2997855 3068772 3205860 3235780 3287970 3312722 3366153 3397569 3410155 3507588 3549345 3740170 3835965 3859604 3960180 3997140 4092186 4135290 4196997 4259214 4273133 4384485 4488204 4530092 4603158 4648140 4663330 4686662 4732460 4808790 4824505 4853670 4962348 4969083 5114620 5595996 5610255 5662615 5789406 5824404 5845980 5995710 6138279 6202935 6575940 6625444 6732306 6754307 6795138 6820310 6994995 7029993 7098690 7280505 7480340 7671930 7927661 8184372 8270580 8281805 8393994 8518428 8546266 8684109 8768970 9206316 9326660 9373324 9617580 9649010 9707340 9938166 10192707 10230465 10648035 11220510 11325230 11507895 11578812 11594527 11716655 11991420 12276558 12405870 12819399 13464612 13508614 13590276 13640620 13989990 14059986 14197380 14473515 14561010 14907249 15343860 15855322 16403317 16563610 16787988 16830765 16987845 17092532 17368218 17537940 19298020 19876332 20262921 20385414 20460930 20984985 21089979 21296070 21365665 22441020 22650460 23015790 23189054 23433310 23782983 24553116 24811740 24845415 25638798 27017228 27979980 28119972 28947030 29122020 29814498 29911931 30691395 31710644 32806634 33127220 33661530 33771535 33975690 34736436 34783581 35149965 38458197 39638305 40525842 40770828 40921860 41969970 42179958 42592140 42731330 43420545 46031580 46378108 46866620 47565966 49209951 49690830 50963535 51277596 57894060 57972635 59628996 59823862 60788763 61382790 64096995 65613268 67323060 67543070 67951380 69567162 70299930 71348949 72643261 74536245 76916394 79276610 81051684 82016585 83939940 84359916 85462660 86841090 89735793 95131932 98419902 99381660 101314605 101927070 104350743 105449895 114823219 115945270 118914915 119647724 121577526 122765580 128193990 135086140 139134324 140599860 142697898 145286522 147629853 149072490 149559655 153832788 158553220 164033170 173682180 173917905 179471586 192290985 196839804 202629210 203854140 208701486 209383517 210899790 217929783 229646438 231890540 237829830 243155052 246049755 256387980 269207379 285395796 290573044 295259706 298144980 299119310 303943815 328066340 344469657 347835810 356744745 358943172 363216305 384581970 405258420 417402972 418767034 421799580 435859566 448678965 459292876 475659660 492099510 508502827 521753715 538414758 574116095 590519412 598238620 607887630 628150551 653789349 688939314 695671620 713489490 726432610 738149265 769163940 837534068 871719132 897357930 984199020 1017005654 1033408971 1043507430 1046917585 1076829516 1089648915 1148232190 1215775260 1256301102 1307578698 1346036895 1377878628 1426978980 1452865220 1476298530 1525508481 1722348285 1794715860 1884451653 2034011308 2066817942 2087014860 2093835170 2179297830 2296464380 2512602204 2542514135 2615157396 2692073790 2952597060 3051016962 3140752755 3268946745 3444696570 3559519789 3768903306 4133635884 4187670340 4358595660 4576525443 5085028270 5167044855 5384147580 6102033924 6281505510 6537893490 6889393140 7119039578 7537806612 7627542405 9153050886 9422258265 10170056540 10334089710 10678559367 12563011020 13075786980 14238079156 15255084810 17797598945 18306101772 18844516530 20668179420 21357118734 22882627215 30510169620 32035678101 35595197890 37689033060 42714237468 45765254430 53392796835 64071356202 71190395780 91530508860 106785593670 128142712404 160178390505 213571187340 320356781010 640713562020
• Sum of all divisors σ(n): 2484581299200
• Sum of proper divisors (its aliquot sum) s(n): 1843867737180
• 640713562020 is an abundant number, because the sum of its proper divisors (1843867737180) is greater than itself. Its abundance is 1203154175160

Bases of 640713562020

• Binary: 1001010100101101100000010001011110100100₂
• Hexadecimal: 0x952D8117A4
• Base-36: 86C8B8H0

Squares and roots of 640713562020

• 640713562020 squared (640713562020²) is 410513868556356386480400
• 640713562020 cubed (640713562020³) is 263021802981353175494432854914408000
• The square root of 640713562020 is 800445.8520224837
• The cube root of 640713562020 is 8620.9403263395

Scales and comparisons

• 640,713,562,020 seconds is equal to 20,372 years, 36 weeks, 6 days, 5 hours, 27 minutes.
• To count from 1 to 640,713,562,020 would take you about forty thousand, seven hundred forty-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 640713562020 cubic inches would be around 718.4 feet tall.

Recreational maths with 640713562020

• 640713562020 backwards is 020265317046
• 640713562020 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640713562020's digits is 36
• More coming soon!