71998917012

Names of 71998917012

• Cardinal: 71998917012 can be written as Seventy-one billion, nine hundred ninety-eight million, nine hundred seventeen thousand and twelve.

Scientific notation

• Scientific notation: 7.1998917012 × 10¹⁰

Factors of 71998917012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13590

Divisors of 71998917012

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 37 44 54 66 74 99 108 111 121 132 148 198 222 242 297 333 363 396 407 444 484 594 666 726 814 999 1089 1188 1221 1331 1332 1452 1628 1998 2178 2442 2662 3267 3663 3993 3996 4356 4477 4884 5324 6534 7326 7986 8954 10989 11979 13068 13431 13537 14652 15972 17908 21978 23958 26862 27074 35937 40293 40611 43956 47916 49247 53724 54148 71874 80586 81222 98494 120879 121833 143748 147741 148907 161172 162444 196988 241758 243666 295482 297814 365499 443223 446721 483516 487332 500869 590964 595628 730998 886446 893442 1001738 1329669 1340163 1461996 1502607 1637977 1772892 1786884 2003476 2659338 2680326 3005214 3275954 4020489 4507821 4913931 5318676 5360652 5509559 6010428 6551908 8040978 9015642 9827862 11019118 13523463 14741793 16081956 16528677 18017747 18031284 19655724 22038236 27046926 29483586 33057354 36035494 44225379 49586031 54053241 54093852 58967172 60605149 66114708 72070988 88450758 99172062 108106482 121210298 148758093 162159723 176901516 181815447 198344124 216212964 242420596 297516186 324319446 363630894 486479169 545446341 595032372 648638892 666656639 727261788 972958338 1090892682 1333313278 1636339023 1945916676 1999969917 2181785364 2666626556 3272678046 3999939834 5999909751 6545356092 7999879668 11999819502 17999729253 23999639004 35999458506 71998917012
• Sum of all divisors σ(n): 210880884480
• Sum of proper divisors (its aliquot sum) s(n): 138881967468
• 71998917012 is an abundant number, because the sum of its proper divisors (138881967468) is greater than itself. Its abundance is 66883050456

Bases of 71998917012

• Binary: 1000011000011011110000100100110010100₂
• Hexadecimal: 0x10C3784994
• Base-36: X2QANX0

Squares and roots of 71998917012

• 71998917012 squared (71998917012²) is 5183844050900863008144
• 71998917012 cubed (71998917012³) is 373231157623961139562540536145728
• The square root of 71998917012 is 268326.1392633973
• The cube root of 71998917012 is 4160.1467876121

Scales and comparisons

• 71,998,917,012 seconds is equal to 2,289 years, 17 weeks, 5 days, 19 hours, 10 minutes, 12 seconds.
• To count from 1 to 71,998,917,012 would take you about four thousand, five hundred seventy-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 71998917012 cubic inches would be around 346.7 feet tall.

Recreational maths with 71998917012

• 71998917012 backwards is 21071989917
• 71998917012 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 71998917012's digits is 54
• More coming soon!