71481608940

Names of 71481608940

• Cardinal: 71481608940 can be written as Seventy-one billion, four hundred eighty-one million, six hundred eight thousand, nine hundred forty.

Scientific notation

• Scientific notation: 7.148160894 × 10¹⁰

Factors of 71481608940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4422

Divisors of 71481608940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 107 140 210 214 321 409 420 428 535 642 749 818 1070 1227 1284 1498 1605 1636 2045 2140 2247 2454 2863 2996 3210 3745 3889 4090 4494 4908 5726 6135 6420 7490 7778 8180 8589 8988 11235 11452 11667 12270 14315 14980 15556 17178 19445 22470 23334 24540 27223 28630 34356 38890 42945 43763 44940 46668 54446 57260 58335 77780 81669 85890 87526 108892 116670 131289 136115 163338 171780 175052 218815 233340 262578 272230 306341 326676 408345 416123 437630 525156 544460 612682 656445 816690 832246 875260 919023 1225364 1248369 1312890 1531705 1590601 1633380 1664492 1838046 2080615 2496738 2625780 2912861 3063410 3181202 3676092 4161230 4595115 4771803 4993476 5825722 6126820 6241845 6362404 7953005 8322460 8738583 9190230 9543606 11134207 11651444 12483690 14564305 15906010 17477166 18380460 19087212 22268414 23859015 24967380 29128610 31812020 33402621 34954332 43692915 44536828 47718030 55671035 58257220 66805242 87385830 95436060 111342070 133610484 167013105 170194307 174771660 222684140 334026210 340388614 510582921 668052420 680777228 850971535 1021165842 1191360149 1701943070 2042331684 2382720298 2552914605 3403886140 3574080447 4765440596 5105829210 5956800745 7148160894 10211658420 11913601490 14296321788 17870402235 23827202980 35740804470 71481608940
• Sum of all divisors σ(n): 231502924800
• Sum of proper divisors (its aliquot sum) s(n): 160021315860
• 71481608940 is an abundant number, because the sum of its proper divisors (160021315860) is greater than itself. Its abundance is 88539706920

Bases of 71481608940

• Binary: 1000010100100101000101100101011101100₂
• Hexadecimal: 0x10A4A2CAEC
• Base-36: WU6AYGC

Squares and roots of 71481608940

• 71481608940 squared (71481608940²) is 5109620416651087923600
• 71481608940 cubed (71481608940³) is 365243888454892931380331796984000
• The square root of 71481608940 is 267360.4475983685
• The cube root of 71481608940 is 4150.1593578909

Scales and comparisons

• 71,481,608,940 seconds is equal to 2,272 years, 46 weeks, 3 days, 10 hours, 29 minutes.
• To count from 1 to 71,481,608,940 would take you about four thousand, five hundred forty-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 71481608940 cubic inches would be around 345.8 feet tall.

Recreational maths with 71481608940

• 71481608940 backwards is 04980618417
• The number of decimal digits it has is: 11
• The sum of 71481608940's digits is 48
• More coming soon!