21307859040

Names of 21307859040

• Cardinal: 21307859040 can be written as Twenty-one billion, three hundred seven million, eight hundred fifty-nine thousand and forty.

Scientific notation

• Scientific notation: 2.130785904 × 10¹⁰

Factors of 21307859040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1738

Divisors of 21307859040

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 32 39 40 48 52 58 60 65 73 78 80 87 96 104 116 120 130 145 146 156 160 174 195 208 219 232 240 260 290 292 312 348 365 377 390 416 435 438 464 480 520 580 584 624 696 730 754 780 870 876 928 949 1040 1095 1131 1160 1168 1248 1392 1460 1508 1560 1613 1740 1752 1885 1898 2080 2117 2190 2262 2320 2336 2784 2847 2920 3016 3120 3226 3480 3504 3770 3796 4234 4380 4524 4640 4745 4839 5655 5694 5840 6032 6240 6351 6452 6960 7008 7540 7592 8065 8468 8760 9048 9490 9678 10585 11310 11388 11680 12064 12702 12904 13920 14235 15080 15184 16130 16936 17520 18096 18980 19356 20969 21170 22620 22776 24195 25404 25808 27521 28470 30160 30368 31755 32260 33872 35040 36192 37960 38712 41938 42340 45240 45552 46777 48390 50808 51616 55042 56940 60320 62907 63510 64520 67744 75920 77424 82563 83876 84680 90480 91104 93554 96780 101616 104845 110084 113880 117749 125814 127020 129040 137605 140331 151840 154848 165126 167752 169360 180960 187108 193560 203232 209690 220168 227760 233885 235498 251628 254040 258080 275210 280662 314535 330252 335504 338720 353247 374216 387120 412815 419380 440336 455520 467770 470996 503256 508080 550420 561324 588745 608101 629070 660504 671008 701655 706494 748432 774240 825630 838760 880672 935540 941992 1006512 1016160 1100840 1122648 1177490 1216202 1258140 1321008 1403310 1412988 1496864 1530737 1651260 1677520 1766235 1824303 1871080 1883984 2013024 2201680 2245296 2354980 2432404 2516280 2642016 2806620 2825976 3040505 3061474 3302520 3355040 3414721 3532470 3648606 3742160 3767968 4403360 4490592 4592211 4709960 4864808 5032560 5613240 5651952 6081010 6122948 6605040 6829442 7064940 7297212 7484320 7653685 9121515 9184422 9419920 9729616 10065120 10244163 11226480 11303904 12162020 12245896 13210080 13658884 14129880 14594424 15307370 17073605 18243030 18368844 18839840 19459232 20488326 22452960 22961055 24324040 24491792 27317768 28259760 29188848 30614740 34147210 36486060 36737688 40976652 44391373 45922110 48648080 48983584 51220815 54635536 56519520 58377696 61229480 68294420 72972120 73475376 81953304 88782746 91844220 97296160 102441630 109271072 122458960 133174119 136588840 145944240 146950752 163906608 177565492 183688440 204883260 221956865 244917920 266348238 273177680 291888480 327813216 355130984 367376880 409766520 443913730 532696476 546355360 665870595 710261968 734753760 819533040 887827460 1065392952 1331741190 1420523936 1639066080 1775654920 2130785904 2663482380 3551309840 4261571808 5326964760 7102619680 10653929520 21307859040
• Sum of all divisors σ(n): 75846637440
• Sum of proper divisors (its aliquot sum) s(n): 54538778400
• 21307859040 is an abundant number, because the sum of its proper divisors (54538778400) is greater than itself. Its abundance is 33230919360

Bases of 21307859040

• Binary: 10011110110000011000010000001100000₂
• Hexadecimal: 0x4F60C2060
• Base-36: 9SE5D9C

Squares and roots of 21307859040

• 21307859040 squared (21307859040²) is 454024856868509721600
• 21307859040 cubed (21307859040³) is 9674297650810380962722443264000
• The square root of 21307859040 is 145972.1173375245
• The cube root of 21307859040 is 2772.3407271765

Scales and comparisons

• 21,307,859,040 seconds is equal to 677 years, 27 weeks, 1 day, 17 hours, 44 minutes.
• To count from 1 to 21,307,859,040 would take you about one thousand, three hundred fifty-five 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 21307859040 cubic inches would be around 231 feet tall.

Recreational maths with 21307859040

• 21307859040 backwards is 04095870312
• 21307859040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21307859040's digits is 39
• More coming soon!