1621130473376421

Names of 1621130473376421

• Cardinal: 1621130473376421 can be written as One quadrillion, six hundred twenty-one trillion, one hundred thirty billion, four hundred seventy-three million, three hundred seventy-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.621130473376421 × 10¹⁵

Factors of 1621130473376421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 459

Divisors of 1621130473376421

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 21 49 79 137 147 233 237 411 553 699 959 1631 1659 2877 3871 4893 6713 10823 11417 11613 18407 18769 20139 31921 32469 34251 54289 55221 56307 75761 95763 128849 131383 162867 223447 227283 380023 386547 394149 530327 670341 901943 919681 1140069 1482751 1564129 1590981 2521759 2571353 2660161 2705829 2759043 4288831 4373177 4448253 4692387 7437593 7565277 7714059 7980483 10379257 12866493 13119531 17652313 17999471 22312779 30021817 30612239 31137771 52063151 52956939 53998413 72654799 90065451 91836717 123566191 125996297 156189453 203136887 210152719 214285673 217964397 345480983 364442057 370698573 377988891 587569847 599125249 609410661 630458157 642857019 1018950241 1036442949 1093326171 1421958209 1762709541 1797375747 2418366881 3056850723 4112988929 4193876743 4265874627 7132651687 7255100643 9953707463 12338966787 12581630229 16928568167 21397955061 28790922503 29357137201 29861122389 47330894671 49928561809 50785704501 80497069039 86372767509 88071411603 139596183017 141992684013 149785685427 241491207117 331316262697 418788549051 563479483273 977173281119 993948788091 1690438449819 2319213838879 2931519843357 3944356382911 6840212967833 6957641516637 11028098458343 11833069148733 20520638903499 33084295375029 77196689208401 231590067625203 540376824458807 1621130473376421
• Sum of all divisors σ(n): 2576012326675200
• Sum of proper divisors (its aliquot sum) s(n): 954881853298779
• 1621130473376421 is a deficient number, because the sum of its proper divisors (954881853298779) is less than itself. Its deficiency is 666248620077642

Bases of 1621130473376421

• Binary: 101110000100110100011011010000000000000101010100101₂
• Hexadecimal: 0x5C268DA000AA5
• Base-36: FYN523HZTX

Squares and roots of 1621130473376421

• 1621130473376421 squared (1621130473376421²) is 2628064011709658836695958769241
• 1621130473376421 cubed (1621130473376421³) is 4260434655366415251953310885736089676869466461
• The square root of 1621130473376421 is 40263264.5643199305
• The cube root of 1621130473376421 is 117473.3417325869

Scales and comparisons

• 1,621,130,473,376,421 seconds is equal to 51,546,934 years, 29 weeks, 3 days, 14 hours, 20 minutes, 21 seconds.
• To count from 1 to 1,621,130,473,376,421 would take you about one hundred fifty-four million, six hundred forty thousand, eight hundred three 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 1621130473376421 cubic inches would be around 9789.4 feet tall.

Recreational maths with 1621130473376421

• 1621130473376421 backwards is 1246733740311261
• The number of decimal digits it has is: 16
• The sum of 1621130473376421's digits is 51
• More coming soon!