64499421420

Names of 64499421420

• Cardinal: 64499421420 can be written as Sixty-four billion, four hundred ninety-nine million, four hundred twenty-one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 6.449942142 × 10¹⁰

Factors of 64499421420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 327

Divisors of 64499421420

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 29 30 35 36 41 42 45 54 58 60 63 70 82 84 87 90 105 108 113 116 123 126 127 135 140 145 164 174 180 189 203 205 210 226 246 252 254 261 270 287 290 315 339 348 369 378 381 406 410 420 435 452 492 508 522 540 565 574 580 609 615 630 635 678 738 756 762 783 791 812 820 861 870 889 945 1015 1017 1044 1107 1130 1143 1148 1189 1218 1230 1260 1270 1305 1356 1435 1476 1524 1566 1582 1695 1722 1740 1778 1827 1845 1890 1905 2030 2034 2214 2260 2286 2373 2378 2436 2460 2540 2583 2610 2667 2870 3045 3051 3132 3164 3277 3390 3429 3444 3556 3567 3654 3683 3690 3780 3810 3915 3955 4060 4068 4305 4428 4445 4572 4633 4746 4756 5085 5166 5207 5220 5334 5481 5535 5715 5740 5945 6090 6102 6554 6780 6858 7119 7134 7308 7366 7380 7620 7749 7830 7910 8001 8323 8610 8890 9135 9266 9492 9831 10170 10332 10414 10668 10701 10962 11049 11070 11430 11865 11890 12180 12204 12915 13108 13335 13716 13899 14238 14268 14351 14732 15255 15498 15621 15660 15820 16002 16385 16646 17145 17220 17780 17835 18270 18415 18532 19662 20340 20828 21357 21402 21924 22098 22140 22860 22939 23165 23730 23780 24003 24969 25781 25830 26035 26670 27405 27798 28476 28702 29493 30510 30996 31242 32004 32103 32431 32770 33147 33292 34290 35595 35670 36449 36540 36830 38745 39324 40005 41615 41697 42714 42804 43053 44196 45878 46330 46863 47460 48006 49155 49938 51562 51660 52070 53340 53505 54810 55245 55596 57404 58986 61020 62484 64206 64862 65540 66294 68580 68817 69495 71190 71340 71755 72898 73660 74907 77343 77490 78105 80010 83230 83394 85428 86106 88479 91756 92660 93726 96012 97293 98310 99441 99876 100457 103124 104140 106785 107010 109347 109620 110490 114695 117972 120015 124845 125091 128412 128905 129159 129724 132588 134357 137634 138990 140589 142380 143510 145796 147465 149814 151003 154686 154980 156210 160020 160515 162155 165735 166460 166788 172212 176958 182245 187452 194586 196620 198882 200914 206451 208485 213570 214020 215265 218694 220980 224721 229390 232029 234315 240030 249690 250182 257810 258318 268714 275268 277980 281178 287020 291879 294930 299628 301371 302006 309372 312420 321030 324310 328041 331470 344085 353916 364490 374535 386715 387477 389172 397764 401828 403071 412902 416179 416970 427140 430530 437388 442395 449442 453009 458780 464058 468630 480060 486465 497205 499380 500364 502285 515620 516636 537428 546735 562356 583758 588391 589860 602742 604012 619353 625455 642060 645795 648620 656082 662940 671785 688170 696087 702945 728980 749070 755015 773430 774954 806142 825804 832358 833940 861060 875637 884790 898884 904113 906018 928116 937260 940499 972930 984123 994410 1004570 1032255 1057021 1093470 1123605 1160145 1167516 1176782 1205484 1209213 1238706 1248537 1250910 1291590 1312164 1343570 1359027 1376340 1392174 1405890 1459395 1498140 1506855 1510030 1546860 1549908 1612284 1640205 1664716 1751274 1765173 1769580 1808226 1812036 1880998 1937385 1945860 1968246 1988820 2009140 2015355 2064510 2080895 2114042 2186940 2247210 2265045 2320290 2353564 2418426 2477412 2497074 2501820 2583180 2687140 2712339 2718054 2784348 2811780 2821497 2913253 2918790 2941955 3013710 3020060 3096765 3171063 3280410 3480435 3502548 3530346 3616452 3627639 3745611 3761996 3874770 3936492 4030710 4077081 4118737 4129020 4161790 4228084 4378185 4494420 4520565 4530090 4640580 4702495 4836852 4920615 4994148 5285105 5295519 5424678 5436108 5642994 5826506 5837580 5883910 6027420 6046065 6193530 6242685 6342126 6560820 6795135 6960870 7060692 7255278 7491222 7749540 8061420 8154162 8237474 8323580 8464491 8739759 8756370 8825865 9041130 9060180 9404990 9513189 9841230 10570210 10591038 10849356 11236833 11285988 11653012 11767820 12092130 12356211 12387060 12485370 12684252 13561695 13590270 13921740 14107485 14510556 14566265 14982444 15855315 15886557 16308324 16474948 16928982 17063339 17479518 17512740 17651730 18082260 18138195 18728055 18809980 19026378 19682460 20385405 20593685 21140420 21182076 22473666 24184260 24712422 24970740 25393473 26219277 26477595 27123390 27180540 28214970 28539567 29132530 31710630 31773114 33857964 34126678 34959036 35303460 36276390 37068633 37456110 38052756 40770810 41187370 42322455 43698795 44947332 47565945 49424844 50786946 51190017 52438554 52955190 54246780 56184165 56429940 57079134 58265060 61781055 63421260 63546228 68253356 72552780 74137266 74912220 78657831 79432785 81541620 82374740 84644910 85316695 87397590 95131890 101573892 102380034 104877108 105910380 111205899 112368330 114158268 119443373 123562110 126967365 131096385 142697835 148274532 153570051 157315662 158865570 169289820 170633390 174795180 185343165 190263780 204760068 222411798 224736660 238886746 247124220 253934730 255950085 262192770 285395670 307140102 314631324 317731140 341266780 358330119 370686330 393289155 444823596 460710153 477773492 507869460 511900170 524385540 556029495 570791340 597216865 614280204 716660238 741372660 767850255 786578310 921420306 1023800340 1074990357 1112058990 1194433730 1433320476 1535700510 1573156620 1791650595 1842840612 2149980714 2224117980 2303550765 2388867460 3071401020 3224971071 3583301190 4299961428 4607101530 5374951785 6449942142 7166602380 9214203060 10749903570 12899884284 16124855355 21499807140 32249710710 64499421420
• Sum of all divisors σ(n): 247106764800
• Sum of proper divisors (its aliquot sum) s(n): 182607343380
• 64499421420 is an abundant number, because the sum of its proper divisors (182607343380) is greater than itself. Its abundance is 118107921960

Bases of 64499421420

• Binary: 111100000100011101110001000011101100₂
• Hexadecimal: 0xF047710EC
• Base-36: TMPAG30

Squares and roots of 64499421420

• 64499421420 squared (64499421420²) is 4160175363514754816400
• 64499421420 cubed (64499421420³) is 268328903952439863290958327288000
• The square root of 64499421420 is 253967.3629031889
• The cube root of 64499421420 is 4010.3776656465

Scales and comparisons

• 64,499,421,420 seconds is equal to 2,050 years, 45 weeks, 6 days, 1 hour, 57 minutes.
• To count from 1 to 64,499,421,420 would take you about four thousand, one hundred one 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 64499421420 cubic inches would be around 334.2 feet tall.

Recreational maths with 64499421420

• 64499421420 backwards is 02412499446
• 64499421420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64499421420's digits is 45
• More coming soon!