1387971236421

Names of 1387971236421

• Cardinal: 1387971236421 can be written as One trillion, three hundred eighty-seven billion, nine hundred seventy-one million, two hundred thirty-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.387971236421 × 10¹²

Factors of 1387971236421

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4401

Divisors of 1387971236421

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 11 21 31 33 43 63 77 93 99 129 217 231 279 301 341 383 387 473 651 693 903 1023 1149 1333 1419 1953 2387 2681 2709 3069 3311 3447 3923 3999 4213 4257 7161 8043 9331 9933 11769 11873 11997 12639 14663 16469 21483 24129 27461 27993 29491 29799 35307 35619 37917 43153 43989 49407 82383 83111 83979 88473 102641 106857 115283 121613 129459 130603 131967 148221 168689 181159 247149 249333 265419 302071 307923 345849 364839 388377 391809 506067 510539 543477 747999 851291 906213 914221 923769 1037547 1094517 1175427 1180823 1268113 1337743 1502509 1518201 1531617 1630431 1855579 2553873 2718639 2742663 3542469 3573773 3804339 4013229 4507527 4594851 5229359 5566737 5615929 7661619 8227989 9364201 10517563 10627407 10721319 11413017 12039687 12989053 13522581 15688077 16527599 16700211 16847787 28092603 31552689 32163957 36605513 38967159 39311503 46577779 47064231 49582797 50543361 57522949 64607887 84277809 94658067 109816539 115693193 116901477 117934509 139733337 148748391 172568847 193823661 326044453 329449617 347079579 353803527 402660643 419200011 452255209 512355569 517706541 581470983 710686757 978133359 1041238737 1207981929 1356765627 1537066707 2002844497 2132060271 2934400077 3586488983 3623945787 4070296881 4611200121 4974807299 6008533491 6396180813 10759466949 14019911479 14924421897 18025600473 22031289467 32278400847 42059734437 44773265691 66093868401 126179203311 154219026269 198281605203 462657078807 1387971236421
• Sum of all divisors σ(n): 2647752966144
• Sum of proper divisors (its aliquot sum) s(n): 1259781729723
• 1387971236421 is a deficient number, because the sum of its proper divisors (1259781729723) is less than itself. Its deficiency is 128189506698

Bases of 1387971236421

• Binary: 10100001100101001100010000101001001000101₂
• Hexadecimal: 0x14329885245
• Base-36: HPMI8K79

Squares and roots of 1387971236421

• 1387971236421 squared (1387971236421²) is 1926464153132039476889241
• 1387971236421 cubed (1387971236421³) is 2673876832543411512407341885642246461
• The square root of 1387971236421 is 1178121.9106786021
• The cube root of 1387971236421 is 11154.7580661379

Scales and comparisons

• 1,387,971,236,421 seconds is equal to 44,133 years, 9 weeks, 6 days, 21 hours, 40 minutes, 21 seconds.
• To count from 1 to 1,387,971,236,421 would take you about one hundred ten thousand, three hundred thirty-two 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 1387971236421 cubic inches would be around 929.6 feet tall.

Recreational maths with 1387971236421

• 1387971236421 backwards is 1246321797831
• The number of decimal digits it has is: 13
• The sum of 1387971236421's digits is 54
• More coming soon!