129989620012

Names of 129989620012

• Cardinal: 129989620012 can be written as One hundred twenty-nine billion, nine hundred eighty-nine million, six hundred twenty thousand and twelve.

Scientific notation

• Scientific notation: 1.29989620012 × 10¹¹

Factors of 129989620012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 171

Divisors of 129989620012

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 14 17 19 28 34 38 47 49 68 76 79 94 98 119 133 158 188 196 238 266 316 323 329 343 476 532 553 646 658 686 799 833 893 931 1106 1292 1316 1343 1372 1501 1598 1666 1786 1862 2212 2261 2303 2686 3002 3196 3332 3572 3713 3724 3871 4522 4606 5372 5593 5831 6004 6241 6251 6517 7426 7742 9044 9212 9401 10507 11186 11662 12482 12502 13034 14852 15181 15484 15827 16121 18802 21014 22372 23324 24964 25004 25517 25991 26068 27097 30362 31654 32242 37604 39151 42028 43687 43757 51034 51982 54194 60724 63121 63308 64484 65807 70547 73549 78302 87374 87514 102068 103964 106097 106267 108388 110789 118579 126242 131614 141094 147098 156604 174748 175028 178619 181937 212194 212534 221578 237158 252484 263228 274057 282188 293327 294196 305809 306299 357238 363874 424388 425068 441847 443156 460649 474316 493829 514843 548114 586654 611618 612598 714476 727748 742679 743869 830053 883694 921298 987658 1029686 1096228 1173308 1199299 1223236 1225196 1250333 1273559 1485358 1487738 1660106 1767388 1842596 1975316 2015843 2053289 2059372 2140663 2398598 2500666 2547118 2970716 2975476 3092929 3320212 3456803 4031686 4106578 4281326 4797196 4986559 5001332 5094236 5198753 5207083 5573213 5810371 6185858 6913606 8063372 8213156 8395093 8562652 8752331 9973118 10397506 10414166 11146426 11620742 12371716 13827212 14110901 14373023 16790186 17504662 19946236 20795012 20828332 21650503 22292852 23241484 24197621 28221802 28746046 33580372 34905913 35009324 36391271 39012491 40672597 43301006 48395242 56443604 57492092 58765651 69811826 72782542 78024982 81345194 86602012 94744621 96790484 98776307 100611161 117531302 139623652 145565084 156049964 162690388 189489242 197552614 201222322 235062604 244341391 273087437 378978484 395105228 402444644 411359557 488682782 546174874 663212347 691434149 822719114 977365564 1092349748 1326424694 1382868298 1645438228 1710389737 1911612059 2652849388 2765736596 3420779474 3823224118 4642486429 6841558948 7646448236 9284972858 18569945716 32497405003 64994810006 129989620012
• Sum of all divisors σ(n): 305835264000
• Sum of proper divisors (its aliquot sum) s(n): 175845643988
• 129989620012 is an abundant number, because the sum of its proper divisors (175845643988) is greater than itself. Its abundance is 45856023976

Bases of 129989620012

• Binary: 1111001000011111111000011000100101100₂
• Hexadecimal: 0x1E43FC312C
• Base-36: 1NPSGOQ4

Squares and roots of 129989620012

• 129989620012 squared (129989620012²) is 16897301310864150880144
• 129989620012 cubed (129989620012³) is 2196473776627500460262953915841728
• The square root of 129989620012 is 360540.7328056013
• The cube root of 129989620012 is 5065.6621875321

Scales and comparisons

• 129,989,620,012 seconds is equal to 4,133 years, 13 weeks, 6 days, 11 hours, 46 minutes, 52 seconds.
• To count from 1 to 129,989,620,012 would take you about eight thousand, two hundred sixty-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 129989620012 cubic inches would be around 422.1 feet tall.

Recreational maths with 129989620012

• 129989620012 backwards is 210026989921
• 129989620012 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129989620012's digits is 49
• More coming soon!