1664878426945920

Names of 1664878426945920

• Cardinal: 1664878426945920 can be written as One quadrillion, six hundred sixty-four trillion, eight hundred seventy-eight billion, four hundred twenty-six million, nine hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.66487842694592 × 10¹⁵

Factors of 1664878426945920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2349930080

Divisors of 1664878426945920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 41 45 48 54 60 64 72 80 82 90 96 108 120 123 128 135 144 160 164 180 192 205 216 240 246 270 288 320 328 360 369 384 410 432 480 492 540 576 615 640 656 720 738 820 864 960 984 1080 1107 1152 1230 1312 1440 1476 1640 1728 1845 1920 1968 2160 2214 2460 2624 2880 2952 3280 3456 3690 3936 4320 4428 4920 5248 5535 5760 5904 6560 7380 7872 8640 8856 9840 11070 11808 13120 14760 15744 17280 17712 19680 22140 23616 26240 29520 35424 39360 44280 47232 59040 70848 78720 88560 118080 141696 177120 236160 354240 708480 2349930029 4699860058 7049790087 9399720116 11749650145 14099580174 18799440232 21149370261 23499300290 28199160348 35248950435 37598880464 42298740522 46998600580 56398320696 63448110783 70497900870 75197760928 84597481044 93997201160 96347131189 105746851305 112796641392 126896221566 140995801740 150395521856 169194962088 187994402320 192694262378 211493702610 225593282784 253792443132 281991603480 289041393567 300791043712 317240553915 338389924176 375988804640 385388524756 422987405220 451186565568 481735655945 507584886264 563983206960 578082787134 634481107830 676779848352 751977609280 770777049512 845974810440 867124180701 902373131136 963471311890 1015169772528 1127966413920 1156165574268 1268962215660 1353559696704 1445206967835 1503955218560 1541554099024 1691949620880 1734248361402 1926942623780 2030339545056 2255932827840 2312331148536 2537924431320 2601372542103 2707119393408 2890413935670 3083108198048 3383899241760 3468496722804 3853885247560 4060679090112 4335620903505 4511865655680 4624662297072 5075848862640 5202745084206 5780827871340 6166216396096 6767798483520 6936993445608 7707770495120 8121358180224 8671241807010 9249324594144 10151697725280 10405490168412 11561655742680 12332432792192 13006862710515 13535596967040 13873986891216 15415540990240 17342483614020 18498649188288 20303395450560 20810980336824 23123311485360 26013725421030 27747973782432 30831081980480 34684967228040 36997298376576 40606790901120 41621960673648 46246622970720 52027450842060 55495947564864 61662163960960 69369934456080 83243921347296 92493245941440 104054901684120 110991895129728 138739868912160 166487842694592 184986491882880 208109803368240 277479737824320 332975685389184 416219606736480 554959475648640 832439213472960 1664878426945920
• Sum of all divisors σ(n): 6040260149112000
• Sum of proper divisors (its aliquot sum) s(n): 4375381722166080
• 1664878426945920 is an abundant number, because the sum of its proper divisors (4375381722166080) is greater than itself. Its abundance is 2710503295220160

Bases of 1664878426945920

• Binary: 101111010100011001010110111001110110111100110000000₂
• Hexadecimal: 0x5EA32B73B7980
• Base-36: GE5EL9ILC0

Squares and roots of 1664878426945920

• 1664878426945920 squared (1664878426945920²) is 2771820176509921078338604646400
• 1664878426945920 cubed (1664878426945920³) is 4614743615244799719652863345156771473522688000
• The square root of 1664878426945920 is 40802921.7942284129
• The cube root of 1664878426945920 is 118520.6911223747

Scales and comparisons

• 1,664,878,426,945,920 seconds is equal to 52,937,984 years, 8 weeks, 5 days, 19 hours, 12 minutes.
• To count from 1 to 1,664,878,426,945,920 would take you about one hundred fifty-eight million, eight hundred thirteen thousand, nine 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 1664878426945920 cubic inches would be around 9876.7 feet tall.

Recreational maths with 1664878426945920

• 1664878426945920 backwards is 0295496248784661
• The number of decimal digits it has is: 16
• The sum of 1664878426945920's digits is 81
• More coming soon!