64457421840

Names of 64457421840

• Cardinal: 64457421840 can be written as Sixty-four billion, four hundred fifty-seven million, four hundred twenty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.445742184 × 10¹⁰

Factors of 64457421840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3909

Divisors of 64457421840

• Number of divisors d(n): 560
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 41 42 45 48 54 56 60 63 70 72 80 81 82 84 90 105 108 112 120 123 126 135 140 144 162 164 168 180 189 205 210 216 240 243 246 252 270 280 287 315 324 328 336 360 369 378 405 410 420 432 486 492 504 540 560 567 574 615 630 648 656 720 729 738 756 810 820 840 861 945 972 984 1008 1080 1107 1134 1148 1215 1230 1260 1296 1435 1458 1476 1512 1620 1640 1680 1701 1722 1845 1890 1944 1968 2160 2214 2268 2296 2430 2460 2520 2583 2835 2870 2916 2952 3024 3240 3280 3321 3402 3444 3645 3690 3780 3851 3888 4305 4428 4536 4592 4860 4920 5040 5103 5166 5535 5670 5740 5832 5904 6480 6642 6804 6888 7290 7380 7560 7702 7749 8505 8610 8856 9072 9720 9840 9963 10206 10332 11070 11340 11480 11553 11664 12915 13284 13608 13776 14580 14760 15120 15404 15498 16605 17010 17220 17712 19255 19440 19926 20412 20664 22140 22680 22960 23106 23247 25515 25830 26568 26957 27216 29160 29520 29889 30808 30996 33210 34020 34440 34659 38510 38745 39852 40824 41328 44280 45360 46212 46494 49815 51030 51660 53136 53914 57765 58320 59778 61616 61992 66420 68040 68880 69318 69741 77020 77490 79704 80871 81648 88560 92424 92988 99630 102060 103320 103977 107828 115530 116235 119556 123984 132840 134785 136080 138636 139482 149445 154040 154980 157891 159408 161742 173295 184848 185976 199260 204120 206640 207954 209223 215656 231060 232470 239112 242613 265680 269570 277272 278964 298890 308080 309960 311931 315782 323484 346590 348705 371952 398520 404355 408240 415908 418446 431312 462120 464940 473673 478224 485226 519885 539140 554544 557928 597780 619920 623862 631564 646968 693180 697410 727839 789455 797040 808710 831816 836892 924240 929880 935793 947346 970452 1039770 1046115 1078280 1105237 1115856 1195560 1213065 1247724 1263128 1293936 1386360 1394820 1421019 1455678 1559655 1578910 1617420 1663632 1673784 1859760 1871586 1894692 1940904 2079540 2092230 2156560 2183517 2210474 2368365 2391120 2426130 2495448 2526256 2772720 2789640 2807379 2842038 2911356 3119310 3157820 3234840 3315711 3347568 3639195 3743172 3789384 3881808 4159080 4184460 4263057 4367034 4420948 4678965 4736730 4852260 4990896 5526185 5579280 5614758 5684076 5822712 6238620 6315640 6469680 6550551 6631422 7105095 7278390 7486344 7578768 8318160 8368920 8526114 8734068 8841896 9357930 9473460 9704520 9947133 10917585 11052370 11229516 11368152 11645424 12477240 12631280 12789171 13101102 13262844 14036895 14210190 14556780 14972688 16578555 16737840 17052228 17468136 17683792 18715860 18946920 19409040 19651653 19894266 21315285 21835170 22104740 22459032 22736304 24954480 25578342 26202204 26525688 28073790 28420380 29113560 29841399 32752755 33157110 34104456 34936272 37431720 37893840 38367513 39303306 39788532 42630570 43670340 44209480 44918064 49735665 51156684 52404408 53051376 56147580 56840760 58227120 59682798 63945855 65505510 66314220 68208912 74863440 76735026 78606612 79577064 85261140 87340680 88418960 89524197 98258265 99471330 102313368 104808816 112295160 113681520 115102539 119365596 127891710 131011020 132628440 149206995 153470052 157213224 159154128 170522280 174681360 179048394 191837565 196516530 198942660 204626736 224590320 230205078 238731192 255783420 262022040 265256880 268572591 298413990 306940104 314426448 341044560 358096788 383675130 393033060 397885320 447620985 460410156 477462384 511566840 524044080 537145182 575512695 596827980 613880208 716193576 767350260 786066120 795770640 805717773 895241970 920820312 1023133680 1074290364 1151025390 1193655960 1342862955 1432387152 1534700520 1572132240 1611435546 1790483940 1841640624 2148580728 2302050780 2387311920 2685725910 3069401040 3222871092 3580967880 4028588865 4297161456 4604101560 5371451820 6445742184 7161935760 8057177730 9208203120 10742903640 12891484368 16114355460 21485807280 32228710920 64457421840
• Sum of all divisors σ(n): 263122909056
• Sum of proper divisors (its aliquot sum) s(n): 198665487216
• 64457421840 is an abundant number, because the sum of its proper divisors (198665487216) is greater than itself. Its abundance is 134208065376

Bases of 64457421840

• Binary: 111100000001111101100011010000010000₂
• Hexadecimal: 0xF01F63410
• Base-36: TM0A900

Squares and roots of 64457421840

• 64457421840 squared (64457421840²) is 4154759230259708985600
• 64457421840 cubed (64457421840³) is 267805068348483754840457685504000
• The square root of 64457421840 is 253884.6624749121
• The cube root of 64457421840 is 4009.5070079651

Scales and comparisons

• 64,457,421,840 seconds is equal to 2,049 years, 28 weeks, 2 days, 23 hours, 24 minutes.
• To count from 1 to 64,457,421,840 would take you about four thousand and ninety-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 64457421840 cubic inches would be around 334.1 feet tall.

Recreational maths with 64457421840

• 64457421840 backwards is 04812475446
• 64457421840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64457421840's digits is 45
• More coming soon!