121533638072

Names of 121533638072

• Cardinal: 121533638072 can be written as One hundred twenty-one billion, five hundred thirty-three million, six hundred thirty-eight thousand and seventy-two.

Scientific notation

• Scientific notation: 1.21533638072 × 10¹¹

Factors of 121533638072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8092

Divisors of 121533638072

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 44 49 56 77 88 98 121 154 196 242 308 331 392 484 539 616 662 847 968 1078 1324 1694 2156 2317 2648 3388 3641 4312 4634 5929 6776 7282 7741 9268 11858 14564 15482 16219 18536 23716 25487 29128 30964 32438 40051 47432 50974 54187 61928 64876 80102 85151 101948 108374 129752 160204 170302 178409 203896 216748 280357 320408 340604 356818 379309 433496 560714 596057 681208 713636 758618 936661 1121428 1192114 1427272 1517236 1873322 1962499 2242856 2384228 2562271 3034472 3746644 3924998 4172399 4768456 5124542 6556627 7493288 7849996 8344798 10249084 13113254 15699992 16689596 17935897 20498168 26226508 28184981 33379192 35871794 45896389 52453016 56369962 71743588 91792778 112739924 125551279 143487176 183585556 197294867 225479848 251102558 310034791 367171112 394589734 502205116 620069582 789179468 1004410232 1240139164 1381064069 1578358936 2170243537 2480278328 2762128138 4340487074 5524256276 8680974148 11048512552 15191704759 17361948296 30383409518 60766819036 121533638072
• Sum of all divisors σ(n): 292286667960
• Sum of proper divisors (its aliquot sum) s(n): 170753029888
• 121533638072 is an abundant number, because the sum of its proper divisors (170753029888) is greater than itself. Its abundance is 49219391816

Bases of 121533638072

• Binary: 1110001001011111110000010010110111000₂
• Hexadecimal: 0x1C4BF825B8
• Base-36: 1JTXZNAW

Squares and roots of 121533638072

• 121533638072 squared (121533638072²) is 14770425183015887877184
• 121533638072 cubed (121533638072³) is 1795103508362207278691412642549248
• The square root of 121533638072 is 348616.7495574473
• The cube root of 121533638072 is 4953.3479112757

Scales and comparisons

• 121,533,638,072 seconds is equal to 3,864 years, 20 weeks, 3 days, 7 hours, 54 minutes, 32 seconds.
• To count from 1 to 121,533,638,072 would take you about seven thousand, seven hundred twenty-eight 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 121533638072 cubic inches would be around 412.8 feet tall.

Recreational maths with 121533638072

• 121533638072 backwards is 270836335121
• The number of decimal digits it has is: 12
• The sum of 121533638072's digits is 41
• More coming soon!