73489245921

Names of 73489245921

• Cardinal: 73489245921 can be written as Seventy-three billion, four hundred eighty-nine million, two hundred forty-five thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 7.3489245921 × 10¹⁰

Factors of 73489245921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 354

Divisors of 73489245921

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 81 91 117 147 169 189 273 331 351 441 507 567 637 819 993 1053 1183 1323 1521 1911 2317 2457 2979 3549 3969 4303 4563 5733 6951 7371 8281 8937 10647 12909 13689 16219 17199 20853 24843 26811 30121 31941 38727 48657 51597 55939 62559 74529 90363 95823 109561 116181 145971 167817 187677 210847 223587 271089 328683 348543 391573 437913 503451 632541 670761 766927 813267 986049 1174719 1313739 1424293 1510353 1897623 2300781 2439801 2741011 2958147 3524157 4272879 4531059 5368489 5692869 6902343 8223033 8874441 9970051 10572471 12818637 16105467 17078607 18515809 20707029 24669099 29910153 31717413 38455911 48316401 55547427 62121087 69790357 74007297 89730459 115367733 129610663 144949203 166642281 209371071 222021891 269191377 388831989 434847609 499926843 628113213 807574131 907274641 1166495967 1499780529 1884339639 2721823923 3499487901 5653018917 8165471769 10498463703 24496415307 73489245921
• Sum of all divisors σ(n): 138701559843
• Sum of proper divisors (its aliquot sum) s(n): 65212313922
• 73489245921 is a deficient number, because the sum of its proper divisors (65212313922) is less than itself. Its deficiency is 8276931999

Bases of 73489245921

• Binary: 1000100011100010011001110011011100001₂
• Hexadecimal: 0x111C4CE6E1
• Base-36: XRDLL29

Squares and roots of 73489245921

• 73489245921 squared (73489245921²) is 5400669266037215138241
• 73489245921 cubed (73489245921³) is 396891111829795476432176860364961
• 73489245921 is a perfect square number. Its square root is 271089
• The cube root of 73489245921 is 4188.6550578991

Scales and comparisons

• 73,489,245,921 seconds is equal to 2,336 years, 37 weeks, 6 days, 23 hours, 25 minutes, 21 seconds.
• To count from 1 to 73,489,245,921 would take you about four thousand, six hundred seventy-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 73489245921 cubic inches would be around 349.1 feet tall.

Recreational maths with 73489245921

• 73489245921 backwards is 12954298437
• The number of decimal digits it has is: 11
• The sum of 73489245921's digits is 54
• More coming soon!