64474427820

Names of 64474427820

• Cardinal: 64474427820 can be written as Sixty-four billion, four hundred seventy-four million, four hundred twenty-seven thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 6.447442782 × 10¹⁰

Factors of 64474427820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 519

Divisors of 64474427820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 41 44 55 60 66 73 82 110 123 127 132 146 164 165 205 219 220 246 254 257 292 330 365 381 410 438 451 492 508 514 615 635 660 730 762 771 803 820 876 902 1028 1095 1230 1270 1285 1353 1397 1460 1524 1542 1606 1804 1905 2190 2255 2409 2460 2540 2570 2706 2794 2827 2993 3084 3212 3810 3855 4015 4191 4380 4510 4818 5140 5207 5412 5588 5654 5986 6765 6985 7620 7710 8030 8382 8481 8979 9020 9271 9636 10414 10537 11308 11972 12045 13530 13970 14135 14965 15420 15621 16060 16764 16962 17958 18542 18761 20828 20955 21074 24090 26035 27060 27813 27940 28270 29930 31242 31611 32639 32923 33924 35916 37084 37522 41910 42148 42405 44895 46355 48180 52070 52685 55626 56283 56540 57277 59860 62484 63222 65278 65846 75044 78105 83820 84810 89790 92710 93805 97917 98769 101981 104140 105370 111252 112566 114554 115907 126444 130556 131692 139065 156210 158055 163195 164615 169620 171831 179580 185420 187610 195834 197538 203962 206371 210740 225132 229108 231814 278130 281415 286385 305943 312420 316110 326390 329230 343662 347721 359029 375220 380111 391668 395076 407924 412742 463628 489585 493845 509905 556260 562830 572770 579535 611886 619113 632220 652780 658460 687324 695442 718058 760222 769201 825484 859155 979170 987690 1019810 1031855 1077087 1125660 1140333 1145540 1159070 1223772 1238226 1338199 1390884 1436116 1520444 1529715 1538402 1718310 1738605 1795145 1900555 1958340 1975380 2039620 2063710 2154174 2280666 2307603 2318140 2382647 2476452 2676398 3059430 3076804 3095565 3436620 3477210 3590290 3801110 3846005 4014597 4127420 4181221 4308348 4561332 4615206 4765294 5352796 5385435 5701665 6118860 6191130 6690995 6954420 7147941 7180580 7602220 7692010 8029194 8362442 8461211 9230412 9530588 10770870 11403330 11538015 11913235 12382260 12543663 13381990 14295882 14720189 15384020 16058388 16724884 16922422 20072985 20906105 21541740 22806660 23076030 23826470 25087326 25383633 26209117 26763980 28591764 29440378 33844844 35739705 40145970 41812210 42306055 44160567 46152060 47652940 50174652 50767266 52418234 58880756 62718315 71479410 73600945 78627351 80291940 83624420 84612110 88321134 97688527 101534532 104836468 125436630 126918165 131045585 142958820 147201890 157254702 169224220 176642268 195377054 220802835 250873260 253836330 262091170 293065581 294403780 314509404 390754108 393136755 441605670 488442635 507672660 524182340 586131162 786273510 883211340 976885270 1074573797 1172262324 1465327905 1572547020 1953770540 2149147594 2930655810 3223721391 4298295188 5372868985 5861311620 6447442782 10745737970 12894885564 16118606955 21491475940 32237213910 64474427820
• Sum of all divisors σ(n): 206919401472
• Sum of proper divisors (its aliquot sum) s(n): 142444973652
• 64474427820 is an abundant number, because the sum of its proper divisors (142444973652) is greater than itself. Its abundance is 77970545832

Bases of 64474427820

• Binary: 111100000010111110011011000110101100₂
• Hexadecimal: 0xF02F9B1AC
• Base-36: TMAEQWC

Squares and roots of 64474427820

• 64474427820 squared (64474427820²) is 4156951842716389952400
• 64474427820 cubed (64474427820³) is 268017091534433876716987035768000
• The square root of 64474427820 is 253918.1518127445
• The cube root of 64474427820 is 4009.8595900695

Scales and comparisons

• 64,474,427,820 seconds is equal to 2,050 years, 4 weeks, 3 days, 19 hours, 17 minutes.
• To count from 1 to 64,474,427,820 would take you about four thousand, one hundred 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 64474427820 cubic inches would be around 334.2 feet tall.

Recreational maths with 64474427820

• 64474427820 backwards is 02872447446
• The number of decimal digits it has is: 11
• The sum of 64474427820's digits is 48
• More coming soon!