72664869139526820

Names of 72664869139526820

• Cardinal: 72664869139526820 can be written as Seventy-two quadrillion, six hundred sixty-four trillion, eight hundred sixty-nine billion, one hundred thirty-nine million, five hundred twenty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 7.266486913952682 × 10¹⁶

Factors of 72664869139526820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3982392012

Divisors of 72664869139526820

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 149 156 157 195 260 298 314 390 447 471 596 628 745 780 785 894 942 1490 1570 1788 1884 1937 2041 2235 2355 2980 3140 3874 4082 4470 4710 5811 6123 7748 8164 8940 9420 9685 10205 11622 12246 19370 20410 23244 23393 24492 29055 30615 38740 40820 46786 58110 61230 70179 93572 116220 116965 122460 140358 233930 280716 304109 350895 467860 608218 701790 912327 1216436 1403580 1520545 1824654 3041090 3649308 4561635 6082180 9123270 18246540 3982391683 7964783366 11947175049 15929566732 19911958415 23894350098 39823916830 47788700196 51771091879 59735875245 79647833660 103542183758 119471750490 155313275637 207084367516 238943500980 258855459395 310626551274 517710918790 593376360767 621253102548 625235494231 776566378185 1035421837580 1186752721534 1250470988462 1553132756370 1780129082301 1875706482693 2373505443068 2500941976924 2966881803835 3106265512740 3126177471155 3560258164602 3751412965386 5933763607670 6252354942310 7120516329204 7502825930772 7713892689971 8128061425003 8900645411505 9378532413465 11867527215340 12504709884620 15427785379942 16256122850006 17801290823010 18757064826930 23141678069913 24384184275009 30855570759884 32512245700012 35602581646020 37514129653860 38569463449855 40640307125015 46283356139826 48768368550018 77138926899710 81280614250030 92566712279652 93160088640419 97536737100036 115708390349565 121920921375045 154277853799420 162561228500060 186320177280838 231416780699130 243841842750090 279480265921257 372640354561676 462833561398260 465800443202095 487683685500180 558960531842514 931600886404190 1117921063685028 1211081152325447 1397401329606285 1863201772808380 2422162304650894 2794802659212570 3633243456976341 4844324609301788 5589605318425140 6055405761627235 7266486913952682 12110811523254470 14532973827905364 18166217284881705 24221623046508940 36332434569763410 72664869139526820
• Sum of all divisors σ(n): 221988070206201600
• Sum of proper divisors (its aliquot sum) s(n): 149323201066674780
• 72664869139526820 is an abundant number, because the sum of its proper divisors (149323201066674780) is greater than itself. Its abundance is 76658331927147960

Bases of 72664869139526820

• Binary: 100000010001010000101000001000000101101100011010010100100₂
• Hexadecimal: 0x102285040B634A4
• Base-36: JVHJO1ICMUC

Squares and roots of 72664869139526820

• 72664869139526820 squared (72664869139526820²) is 5280183207064557214040893499312400
• 72664869139526820 cubed (72664869139526820³) is 383683821774073096400405689553672355993331358568000
• The square root of 72664869139526820 is 269564220.8074484427
• The cube root of 72664869139526820 is 417293.3833957853

Scales and comparisons

• 72,664,869,139,526,820 seconds is equal to 2,310,518,071 years, 22 weeks, 5 days, 18 hours, 47 minutes.
• To count from 1 to 72,664,869,139,526,820 would take you about six billion, nine hundred thirty-one million, five hundred fifty-four thousand, two hundred fourteen 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 72664869139526820 cubic inches would be around 34774.4 feet tall.

Recreational maths with 72664869139526820

• 72664869139526820 backwards is 02862593196846627
• The number of decimal digits it has is: 17
• The sum of 72664869139526820's digits is 84
• More coming soon!