129732160140

Names of 129732160140

• Cardinal: 129732160140 can be written as One hundred twenty-nine billion, seven hundred thirty-two million, one hundred sixty thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.2973216014 × 10¹¹

Factors of 129732160140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 507981

Divisors of 129732160140

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 43 44 45 54 55 60 66 86 90 99 108 110 129 132 135 165 172 180 198 215 220 258 270 297 330 387 396 430 473 495 516 540 594 645 660 774 860 946 990 1161 1188 1290 1419 1485 1548 1892 1935 1980 2322 2365 2580 2838 2970 3870 4257 4644 4730 5676 5805 5940 7095 7740 8514 9460 11610 12771 14190 17028 21285 23220 25542 28380 42570 51084 63855 85140 127710 255420 507917 1015834 1523751 2031668 2539585 3047502 4571253 5079170 5587087 6095004 7618755 9142506 10158340 11174174 13713759 15237510 16761261 18285012 21840431 22348348 22856265 27427518 27935435 30475020 33522522 43680862 45712530 50283783 54855036 55870870 65521293 67045044 68568795 83806305 87361724 91425060 100567566 109202155 111741740 131042586 137137590 150851349 167612610 196563879 201135132 218404310 240244741 251418915 262085172 274275180 301702698 327606465 335225220 393127758 436808620 480489482 502837830 589691637 603405396 655212930 720734223 754256745 786255516 960978964 982819395 1005675660 1179383274 1201223705 1310425860 1441468446 1508513490 1965638790 2162202669 2358766548 2402447410 2882936892 2948458185 3017026980 3603671115 3931277580 4324405338 4804894820 5896916370 6486608007 7207342230 8648810676 10811013345 11793832740 12973216014 14414684460 21622026690 25946432028 32433040035 43244053380 64866080070 129732160140
• Sum of all divisors σ(n): 450543582720
• Sum of proper divisors (its aliquot sum) s(n): 320811422580
• 129732160140 is an abundant number, because the sum of its proper divisors (320811422580) is greater than itself. Its abundance is 191079262440

Bases of 129732160140

• Binary: 1111000110100101000111010101010001100₂
• Hexadecimal: 0x1E34A3AA8C
• Base-36: 1NLJ6FF0

Squares and roots of 129732160140

• 129732160140 squared (129732160140²) is 16830433374590604819600
• 129732160140 cubed (129732160140³) is 2183448477777988951395803010744000
• The square root of 129732160140 is 360183.5089784095
• The cube root of 129732160140 is 5062.3155953681

Scales and comparisons

• 129,732,160,140 seconds is equal to 4,125 years, 4 weeks, 1 day, 15 hours, 9 minutes.
• To count from 1 to 129,732,160,140 would take you about eight thousand, two hundred fifty 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 129732160140 cubic inches would be around 421.9 feet tall.

Recreational maths with 129732160140

• 129732160140 backwards is 041061237921
• 129732160140 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129732160140's digits is 36
• More coming soon!