72661505490

Names of 72661505490

• Cardinal: 72661505490 can be written as Seventy-two billion, six hundred sixty-one million, five hundred five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 7.266150549 × 10¹⁰

Factors of 72661505490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1480

Divisors of 72661505490

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 89 90 105 126 135 178 189 210 267 270 315 378 445 487 534 623 630 801 887 890 945 974 1246 1335 1461 1602 1774 1869 1890 2403 2435 2661 2670 2922 3115 3409 3738 4005 4383 4435 4806 4870 5322 5607 6209 6230 6818 7305 7983 8010 8766 8870 9345 10227 11214 12015 12418 13149 13305 14610 15966 16821 17045 18627 18690 20454 21915 23949 24030 26298 26610 28035 30681 31045 33642 34090 37254 39915 43343 43830 47898 51135 55881 56070 61362 62090 65745 78943 79830 84105 86686 92043 93135 102270 111762 119745 130029 131490 153405 157886 167643 168210 184086 186270 216715 236829 239490 260058 279405 303401 306810 335286 390087 394715 431969 433430 460215 473658 552601 558810 606802 650145 710487 780174 789430 838215 863938 910203 920430 1105202 1170261 1184145 1295907 1300290 1420974 1517005 1657803 1676430 1820406 1950435 2131461 2159845 2340522 2368290 2591814 2730609 2763005 3023783 3034010 3315606 3552435 3887721 3900870 4262922 4319690 4551015 4973409 5461218 5526010 5851305 6047566 6479535 7104870 7775442 8191827 8289015 9071349 9102030 9946818 10657305 11663163 11702610 12959070 13653045 14920227 15118915 16383654 16578030 18142698 19438605 21314610 23326326 24867045 27214047 27306090 29840454 30237830 38445241 38877210 40959135 45356745 49734090 54428094 58315815 74601135 76890482 81642141 81918270 90713490 115335723 116631630 136070235 149202270 163284282 192226205 230671446 269116687 272140470 346007169 384452410 408210705 538233374 576678615 692014338 807350061 816421410 1038021507 1153357230 1345583435 1614700122 1730035845 2076043014 2422050183 2691166870 3460071690 4036750305 4844100366 5190107535 7266150549 8073500610 10380215070 12110250915 14532301098 24220501830 36330752745 72661505490
• Sum of all divisors σ(n): 224645529600
• Sum of proper divisors (its aliquot sum) s(n): 151984024110
• 72661505490 is an abundant number, because the sum of its proper divisors (151984024110) is greater than itself. Its abundance is 79322518620

Bases of 72661505490

• Binary: 1000011101010111101101001010111010010₂
• Hexadecimal: 0x10EAF695D2
• Base-36: XDOS8GI

Squares and roots of 72661505490

• 72661505490 squared (72661505490²) is 5279694380073300140100
• 72661505490 cubed (72661505490³) is 383630542183218244732293919149000
• The square root of 72661505490 is 269557.9816848315
• The cube root of 72661505490 is 4172.8694447343

Scales and comparisons

• 72,661,505,490 seconds is equal to 2,310 years, 21 weeks, 2 days, 15 hours, 31 minutes, 30 seconds.
• To count from 1 to 72,661,505,490 would take you about four thousand, six hundred twenty 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 72661505490 cubic inches would be around 347.7 feet tall.

Recreational maths with 72661505490

• 72661505490 backwards is 09450516627
• 72661505490 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72661505490's digits is 45
• More coming soon!