129739305472

Names of 129739305472

• Cardinal: 129739305472 can be written as One hundred twenty-nine billion, seven hundred thirty-nine million, three hundred five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.29739305472 × 10¹¹

Factors of 129739305472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 325

Divisors of 129739305472

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 53 56 64 98 106 112 128 196 212 224 256 263 343 371 392 424 448 512 526 686 742 784 848 896 1052 1372 1484 1568 1696 1792 1841 2104 2597 2744 2809 2968 3136 3392 3584 3682 4208 5194 5488 5618 5936 6272 6784 7364 8416 10388 10976 11236 11872 12544 12887 13568 13939 14728 16832 18179 19663 20776 21952 22472 23744 25088 25774 27136 27878 29456 33664 36358 39326 41552 43904 44944 47488 51548 55756 58912 67328 72716 78652 83104 87808 89888 90209 94976 97573 103096 111512 117824 134656 137641 145432 157304 166208 175616 179776 180418 189952 195146 206192 223024 235648 275282 290864 314608 332416 359552 360836 390292 412384 446048 471296 550564 581728 629216 664832 683011 719104 721672 738767 780584 824768 892096 942592 963487 1101128 1163456 1258432 1329664 1366022 1438208 1443344 1477534 1561168 1649536 1784192 1926974 2202256 2326912 2516864 2732044 2886688 2955068 3122336 3299072 3568384 3853948 4404512 4653824 4781077 5033728 5171369 5464088 5773376 5910136 6244672 6598144 7136768 7707896 8809024 9307648 9562154 10067456 10342738 10928176 11546752 11820272 12489344 15415792 17618048 19124308 20685476 21856352 23093504 23640544 24978688 30831584 35236096 36199583 38248616 41370952 43712704 46187008 47281088 49957376 61663168 70472192 72399166 76497232 82741904 87425408 94562176 123326336 144798332 152994464 165483808 174850816 189124352 246652672 253397081 289596664 305988928 330967616 349701632 378248704 493305344 506794162 579193328 611977856 661935232 1013588324 1158386656 1223955712 1323870464 2027176648 2316773312 2447911424 2647740928 4054353296 4633546624 8108706592 9267093248 16217413184 18534186496 32434826368 64869652736 129739305472
• Sum of all divisors σ(n): 309286454400
• Sum of proper divisors (its aliquot sum) s(n): 179547148928
• 129739305472 is an abundant number, because the sum of its proper divisors (179547148928) is greater than itself. Its abundance is 49807843456

Bases of 129739305472

• Binary: 1111000110101000100001011001000000000₂
• Hexadecimal: 0x1E3510B200
• Base-36: 1NLNFKSG

Squares and roots of 129739305472

• 129739305472 squared (129739305472²) is 16832287384356929142784
• 129739305472 cubed (129739305472³) is 2183809274751575504335512480514048
• The square root of 129739305472 is 360193.4278578663
• The cube root of 129739305472 is 5062.4085336739

Scales and comparisons

• 129,739,305,472 seconds is equal to 4,125 years, 16 weeks, 7 hours, 57 minutes, 52 seconds.
• To count from 1 to 129,739,305,472 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 129739305472 cubic inches would be around 421.9 feet tall.

Recreational maths with 129739305472

• 129739305472 backwards is 274503937921
• The number of decimal digits it has is: 12
• The sum of 129739305472's digits is 52
• More coming soon!