71394164640

Names of 71394164640

• Cardinal: 71394164640 can be written as Seventy-one billion, three hundred ninety-four million, one hundred sixty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.139416464 × 10¹⁰

Factors of 71394164640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5380

Divisors of 71394164640

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 540 648 720 810 864 1080 1296 1381 1440 1620 2160 2592 2762 3240 3989 4143 4320 5524 6480 6905 7978 8286 11048 11967 12429 12960 13810 15956 16572 19945 20715 22096 23934 24858 27620 31912 33144 35901 37287 39890 41430 44192 47868 49716 55240 59835 62145 63824 66288 71802 74574 79780 82860 95736 99432 107703 110480 111861 119670 124290 127648 132576 143604 149148 159560 165720 179505 186435 191472 198864 215406 220960 223722 239340 248580 287208 298296 319120 323109 331440 359010 372870 382944 397728 430812 447444 478680 497160 538515 559305 574416 596592 638240 646218 662880 718020 745740 861624 894888 957360 994320 1077030 1118610 1148832 1193184 1292436 1436040 1491480 1615545 1723248 1789776 1914720 1988640 2154060 2237220 2584872 2872080 2982960 3231090 3446496 3579552 4308120 4474440 5169744 5508809 5744160 5965920 6462180 8616240 8948880 10339488 11017618 12924360 16526427 17232480 17897760 22035236 25848720 27544045 33052854 44070472 49579281 51697440 55088090 66105708 82632135 88140944 99158562 110176180 132211416 148737843 165264270 176281888 198317124 220352360 247896405 264422832 297475686 330528540 396634248 440704720 446213529 495792810 528845664 594951372 661057080 743689215 793268496 881409440 892427058 991585620 1189902744 1322114160 1487378430 1586536992 1784854116 1983171240 2231067645 2379805488 2644228320 2974756860 3569708232 3966342480 4462135290 4759610976 5949513720 7139416464 7932684960 8924270580 11899027440 14278832928 17848541160 23798054880 35697082320 71394164640
• Sum of all divisors σ(n): 252207564840
• Sum of proper divisors (its aliquot sum) s(n): 180813400200
• 71394164640 is an abundant number, because the sum of its proper divisors (180813400200) is greater than itself. Its abundance is 109419235560

Bases of 71394164640

• Binary: 1000010011111011011000111111110100000₂
• Hexadecimal: 0x109F6C7FA0
• Base-36: WSQ8Q00

Squares and roots of 71394164640

• 71394164640 squared (71394164640²) is 5097126744643426329600
• 71394164640 cubed (71394164640³) is 363905105998020017469173305344000
• The square root of 71394164640 is 267196.8649516681
• The cube root of 71394164640 is 4148.4663542913

Scales and comparisons

• 71,394,164,640 seconds is equal to 2,270 years, 5 weeks, 6 days, 8 hours, 24 minutes.
• To count from 1 to 71,394,164,640 would take you about four thousand, five hundred forty 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 71394164640 cubic inches would be around 345.7 feet tall.

Recreational maths with 71394164640

• 71394164640 backwards is 04646149317
• 71394164640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 71394164640's digits is 45
• More coming soon!