129838989312

Names of 129838989312

• Cardinal: 129838989312 can be written as One hundred twenty-nine billion, eight hundred thirty-eight million, nine hundred eighty-nine thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.29838989312 × 10¹¹

Factors of 129838989312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 383

Divisors of 129838989312

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 87 96 108 116 128 144 174 192 216 232 256 261 288 348 349 384 432 464 512 522 576 696 698 768 783 841 864 928 1024 1044 1047 1152 1392 1396 1536 1566 1682 1728 1856 2048 2088 2094 2304 2523 2784 2792 3072 3132 3141 3364 3456 3712 4096 4176 4188 4608 5046 5568 5584 6144 6264 6282 6728 6912 7424 7569 8192 8352 8376 9216 9423 10092 10121 11136 11168 12288 12528 12564 13456 13824 14848 15138 16384 16704 16752 18432 18846 20184 20242 22272 22336 22707 24576 25056 25128 26912 27648 29696 30276 30363 33408 33504 36864 37692 40368 40484 44544 44672 45414 49152 50112 50256 53824 55296 59392 60552 60726 66816 67008 73728 75384 80736 80968 89088 89344 90828 91089 100224 100512 107648 110592 118784 121104 121452 133632 134016 147456 150768 161472 161936 178176 178688 181656 182178 200448 201024 215296 221184 237568 242208 242904 267264 268032 273267 293509 301536 322944 323872 356352 357376 363312 364356 400896 402048 430592 442368 475136 484416 485808 534528 536064 546534 587018 603072 645888 647744 712704 714752 726624 728712 801792 804096 861184 880527 968832 971616 1069056 1072128 1093068 1174036 1206144 1291776 1295488 1425408 1429504 1453248 1457424 1603584 1608192 1722368 1761054 1937664 1943232 2138112 2144256 2186136 2348072 2412288 2583552 2590976 2641581 2859008 2906496 2914848 3207168 3216384 3444736 3522108 3875328 3886464 4276224 4288512 4372272 4696144 4824576 5167104 5181952 5283162 5718016 5812992 5829696 6414336 6432768 6889472 7044216 7750656 7772928 7924743 8577024 8744544 9392288 9649152 10334208 10363904 10566324 11625984 11659392 12828672 12865536 13778944 14088432 15501312 15545856 15849486 17154048 17489088 18784576 19298304 20668416 20727808 21132648 23251968 23318784 25731072 28176864 31002624 31091712 31698972 34978176 37569152 38596608 41336832 41455616 42265296 46503936 46637568 51462144 56353728 62005248 62183424 63397944 69956352 75138304 77193216 82911232 84530592 93007872 93275136 112707456 124010496 124366848 126795888 139912704 150276608 154386432 165822464 169061184 186015744 186550272 225414912 248733696 253591776 279825408 300553216 338122368 372031488 373100544 450829824 497467392 507183552 559650816 601106432 676244736 746201088 901659648 1014367104 1119301632 1202212864 1352489472 1492402176 1803319296 2028734208 2238603264 2404425728 2704978944 3606638592 4057468416 4477206528 4808851456 5409957888 7213277184 8114936832 10819915776 14426554368 16229873664 21639831552 32459747328 43279663104 64919494656 129838989312
• Sum of all divisors σ(n): 399560798000
• Sum of proper divisors (its aliquot sum) s(n): 269721808688
• 129838989312 is an abundant number, because the sum of its proper divisors (269721808688) is greater than itself. Its abundance is 139882819376

Bases of 129838989312

• Binary: 1111000111011000000011100000000000000₂
• Hexadecimal: 0x1E3B01C000
• Base-36: 1NNAS5C0

Squares and roots of 129838989312

• 129838989312 squared (129838989312²) is 16858163145561650233344
• 129838989312 cubed (129838989312³) is 2188846864476531404884233922019328
• The square root of 129838989312 is 360331.7767169583
• The cube root of 129838989312 is 5063.7047513225

Scales and comparisons

• 129,838,989,312 seconds is equal to 4,128 years, 24 weeks, 6 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 129,838,989,312 would take you about eight thousand, two hundred fifty-six 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 129838989312 cubic inches would be around 422 feet tall.

Recreational maths with 129838989312

• 129838989312 backwards is 213989838921
• The number of decimal digits it has is: 12
• The sum of 129838989312's digits is 63
• More coming soon!