640828074900

Names of 640828074900

• Cardinal: 640828074900 can be written as Six hundred forty billion, eight hundred twenty-eight million, seventy-four thousand, nine hundred.

Scientific notation

• Scientific notation: 6.408280749 × 10¹¹

Factors of 640828074900

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1672

Divisors of 640828074900

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 25 26 30 37 39 50 52 60 65 74 75 78 100 111 130 148 150 156 169 185 195 222 251 260 300 325 338 370 390 444 481 502 507 555 650 676 740 753 780 845 925 962 975 1004 1014 1110 1255 1300 1361 1443 1506 1690 1850 1924 1950 2028 2220 2405 2510 2535 2722 2775 2886 3012 3263 3380 3700 3765 3900 4083 4225 4810 5020 5070 5444 5550 5772 6253 6275 6526 6805 7215 7530 8166 8450 9287 9620 9789 10140 11100 12025 12506 12550 12675 13052 13610 14430 15060 16315 16332 16900 17693 18574 18759 18825 19578 20415 24050 25012 25100 25350 27220 27861 28860 31265 32630 34025 35386 36075 37148 37518 37650 39156 40830 42419 46435 48100 48945 50357 50700 53079 55722 62530 65260 68050 70772 72150 75036 75300 81575 81660 84838 88465 92870 93795 97890 100714 102075 106158 111444 120731 125060 127257 136100 139305 144300 151071 156325 163150 169676 176930 185740 187590 195780 201428 204150 212095 212316 230009 232175 241462 244725 251785 254514 265395 278610 302142 312650 326300 341611 353860 362193 375180 408300 424190 442325 460018 464350 468975 482924 489450 503570 509028 530790 557220 603655 604284 625300 636285 654641 683222 690027 696525 724386 755355 848380 884650 920036 928700 937950 978900 1007140 1024833 1060475 1061580 1150045 1207310 1258925 1272570 1309282 1326975 1366444 1380054 1393050 1448772 1510710 1569503 1708055 1769300 1810965 1875900 1963923 2049666 2120950 2300090 2414620 2517850 2545140 2618564 2653950 2760108 2786100 3018275 3021420 3139006 3181425 3273205 3416110 3450135 3621930 3776775 3927846 4099332 4241900 4440943 4600180 4708509 5035700 5124165 5307900 5750225 6036550 6278012 6362850 6546410 6832220 6900270 7243860 7553550 7847515 7855692 8510333 8540275 8881886 9054825 9417018 9819615 10248330 11500450 12073100 12639607 12725700 13092820 13322829 13800540 15107100 15695030 16366025 17020666 17080550 17250675 17763772 18109650 18834036 19639230 20496660 22204715 23000900 23542545 25279214 25530999 25620825 26645658 31390060 32732050 34041332 34161100 34501350 36219300 37918821 39237575 39278460 42551665 44409430 47085090 49098075 50558428 51061998 51241650 53291316 57732259 63198035 65464100 66614145 69002700 75837642 78475150 85103330 88818860 94170180 98196150 102123996 102483300 111023575 115464518 117712725 126396070 127654995 133228290 151675284 156950300 164314891 170206660 173196777 189594105 196392300 212758325 222047150 230929036 235425450 252792140 255309990 266456580 288661295 315990175 328629782 333070725 346393554 379188210 425516650 444094300 470850900 492944673 510619980 577322590 631980350 638274975 657259564 666141450 692787108 758376420 821574455 851033300 865983885 947970525 985889346 1154645180 1263960700 1276549950 1332282900 1443306475 1643148910 1731967770 1895941050 1971778692 2136093583 2464723365 2553099900 2886612950 3286297820 3463935540 3791882100 4107872275 4272187166 4329919425 4929446730 5773225900 6408280749 8215744550 8544374332 8659838850 9858893460 10680467915 12323616825 12816561498 16431489100 17319677700 21360935830 24647233650 25633122996 32041403745 42721871660 49294467300 53402339575 64082807490 106804679150 128165614980 160207018725 213609358300 320414037450 640828074900
• Sum of all divisors σ(n): 2071724776128
• Sum of proper divisors (its aliquot sum) s(n): 1430896701228
• 640828074900 is an abundant number, because the sum of its proper divisors (1430896701228) is greater than itself. Its abundance is 790068626328

Bases of 640828074900

• Binary: 1001010100110100010101000110101110010100₂
• Hexadecimal: 0x9534546B94
• Base-36: 86E4HN6C

Squares and roots of 640828074900

• 640828074900 squared (640828074900²) is 410660621580040010010000
• 640828074900 cubed (640828074900³) is 263162855564374435879685029749000000
• The square root of 640828074900 is 800517.3795115257
• The cube root of 640828074900 is 8621.4538943133

Scales and comparisons

• 640,828,074,900 seconds is equal to 20,376 years, 18 weeks, 1 day, 14 hours, 35 minutes.
• To count from 1 to 640,828,074,900 would take you about forty thousand, seven hundred fifty-two 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 640828074900 cubic inches would be around 718.5 feet tall.

Recreational maths with 640828074900

• 640828074900 backwards is 009470828046
• The number of decimal digits it has is: 12
• The sum of 640828074900's digits is 48
• More coming soon!