138919313408

Names of 138919313408

• Cardinal: 138919313408 can be written as One hundred thirty-eight billion, nine hundred nineteen million, three hundred thirteen thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.38919313408 × 10¹¹

Factors of 138919313408

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 102

Divisors of 138919313408

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 29 32 58 64 71 116 128 142 232 256 284 464 512 568 841 928 1024 1136 1682 1856 2048 2059 2272 3364 3712 4096 4118 4544 5041 6728 7424 8192 8236 9088 10082 13456 14848 16384 16472 18176 20164 26912 29696 32768 32944 36352 40328 53824 59392 59711 65888 72704 80656 107648 118784 119422 131776 145408 146189 161312 215296 237568 238844 263552 290816 292378 322624 430592 475136 477688 527104 581632 584756 645248 861184 950272 955376 1054208 1163264 1169512 1290496 1722368 1910752 2108416 2326528 2339024 2580992 3444736 3821504 4216832 4239481 4678048 5161984 6889472 7643008 8433664 8478962 9356096 10323968 13778944 15286016 16867328 16957924 18712192 20647936 27557888 30572032 33734656 33915848 37424384 41295872 61144064 67469312 67831696 74848768 82591744 122288128 135663392 149697536 165183488 244576256 271326784 299395072 489152512 542653568 598790144 978305024 1085307136 1197580288 1956610048 2170614272 2395160576 4341228544 4790321152 8682457088 17364914176 34729828352 69459656704 138919313408
• Sum of all divisors σ(n): 291855076305
• Sum of proper divisors (its aliquot sum) s(n): 152935762897
• 138919313408 is an abundant number, because the sum of its proper divisors (152935762897) is greater than itself. Its abundance is 14016449489

Bases of 138919313408

• Binary: 10000001011000001111001000000000000000₂
• Hexadecimal: 0x20583C8000
• Base-36: 1RTGZ08W

Squares and roots of 138919313408

• 138919313408 squared (138919313408²) is 19298575637750128574464
• 138919313408 cubed (138919313408³) is 2680944877348603587428260681613312
• The square root of 138919313408 is 372718.8127905539
• The cube root of 138919313408 is 5179.0989598671

Scales and comparisons

• 138,919,313,408 seconds is equal to 4,417 years, 10 weeks, 4 days, 10 hours, 10 minutes, 8 seconds.
• To count from 1 to 138,919,313,408 would take you about eight thousand, eight hundred thirty-four 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 138919313408 cubic inches would be around 431.6 feet tall.

Recreational maths with 138919313408

• 138919313408 backwards is 804313919831
• The number of decimal digits it has is: 12
• The sum of 138919313408's digits is 50
• More coming soon!