3129990728040709155

Names of 3129990728040709155

• Cardinal: 3129990728040709155 can be written as Three quintillion, one hundred twenty-nine quadrillion, nine hundred ninety trillion, seven hundred twenty-eight billion, forty million, seven hundred nine thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 3.129990728040709155 × 10¹⁸

Factors of 3129990728040709155

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 20613007966

Divisors of 3129990728040709155

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 35 45 57 63 81 95 105 133 135 171 189 285 315 399 405 513 567 665 855 945 1197 1539 1995 2565 2819 2835 3591 5985 7695 8457 10773 14095 17955 19733 25371 42285 53561 53865 59199 76113 98665 126855 160683 177597 228339 267805 295995 374927 380565 482049 532791 803415 887985 1124781 1141695 1446147 1598373 1874635 2410245 2663955 3374343 4338441 5623905 7230735 7991865 10123029 16871715 21692205 30369087 50615145 151845435 20613005113 61839015339 103065025565 144291035791 185517046017 309195076695 391647097147 432873107373 556551138051 721455178955 927585230085 1174941291441 1298619322119 1669653414153 1958235485735 2164365536865 2741529680029 2782755690255 3524823874323 3895857966357 5874706457205 6493096610595 8224589040087 8348267070765 10574471622969 11687573899071 13707648400145 17624119371615 19479289831785 24673767120261 31723414868907 41122945200435 52872358114845 58108061413547 58437869495355 74021301360783 123368835601305 158617074344535 174324184240641 222063904082349 290540307067735 370106506803915 406756429894829 522972552721923 871620921203205 1104053166857393 1110319520411745 1220269289684487 1568917658165769 2033782149474145 2614862763609615 3312159500572179 3660807869053461 4706752974497307 5520265834286965 6101346448422435 7728372168001751 7844588290828845 9936478501716537 10982423607160383 16560797502860895 18304039345267305 23185116504005253 23533764872486535 29809435505149611 32947270821481149 38641860840008755 49682392508582685 54912118035801915 69555349512015759 89428306515448833 115925582520026265 149047177525748055 164736354107405745 208666048536047277 347776747560078795 447141532577244165 625998145608141831 1043330242680236385 3129990728040709155
• Sum of all divisors σ(n): 6752226820799116800
• Sum of proper divisors (its aliquot sum) s(n): 3622236092758407645
• 3129990728040709155 is an abundant number, because the sum of its proper divisors (3622236092758407645) is greater than itself. Its abundance is 492245364717698490

Bases of 3129990728040709155

• Binary: 10101101101111111101011111101111010111001000011111110000100011₂
• Hexadecimal: 0x2B6FF5FBD721FC23
• Base-36: NS35421XOJ6R

Squares and roots of 3129990728040709155

• 3129990728040709155 squared (3129990728040709155²) is 9796841957620808539391086915300814025
• 3129990728040709155 cubed (3129990728040709155³) is 30664024491433320825920613736789064591955812909769898875
• The square root of 3129990728040709155 is 1769177980.8828475115
• The cube root of 3129990728040709155 is 1462786.7472778553

Scales and comparisons

• 3,129,990,728,040,709,155 seconds is equal to 99,524,023,454 years, 36 weeks, 4 hours, 59 minutes, 15 seconds.
• To count from 1 to 3,129,990,728,040,709,155 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 3129990728040709155 cubic inches would be around 121898.9 feet tall.

Recreational maths with 3129990728040709155

• 3129990728040709155 backwards is 5519070408270999213
• 3129990728040709155 is a Harshad number.
• The number of decimal digits it has is: 19
• The sum of 3129990728040709155's digits is 81
• More coming soon!