138209508736

Names of 138209508736

• Cardinal: 138209508736 can be written as One hundred thirty-eight billion, two hundred nine million, five hundred eight thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.38209508736 × 10¹¹

Factors of 138209508736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 411

Divisors of 138209508736

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 13 16 26 32 37 52 64 74 104 128 148 169 208 296 338 359 416 481 592 676 718 832 962 1184 1352 1369 1436 1664 1924 2197 2368 2704 2738 2872 3848 4394 4667 4736 5408 5476 5744 6253 7696 8788 9334 10816 10952 11488 12506 13283 15392 17576 17797 18668 21632 21904 22976 25012 26566 30784 35152 35594 37336 43808 45952 50024 53132 60671 61568 70304 71188 74672 81289 87616 100048 106264 121342 140608 142376 149344 162578 172679 175232 200096 212528 231361 242684 281216 284752 298688 325156 345358 400192 425056 462722 485368 491471 569504 597376 650312 690716 788723 800384 850112 925444 970736 982942 1139008 1300624 1381432 1577446 1700224 1850888 1941472 1965884 2244827 2278016 2601248 2762864 3007693 3154892 3701776 3882944 3931768 4489654 5202496 5525728 6015386 6309784 6389123 7403552 7765888 7863536 8979308 10404992 11051456 12030772 12619568 12778246 14807104 15727072 17958616 22102912 24061544 25239136 25556492 29182751 29614208 31454144 35917232 48123088 50478272 51112984 58365502 62908288 71834464 83058599 96246176 100956544 102225968 116731004 143668928 166117198 192492352 204451936 233462008 287337856 332234396 384984704 408903872 466924016 664468792 817807744 933848032 1079761787 1328937584 1867696064 2159523574 2657875168 3735392128 4319047148 5315750336 8638094296 10631500672 17276188592 34552377184 69104754368 138209508736
• Sum of all divisors σ(n): 307406988000
• Sum of proper divisors (its aliquot sum) s(n): 169197479264
• 138209508736 is an abundant number, because the sum of its proper divisors (169197479264) is greater than itself. Its abundance is 30987970528

Bases of 138209508736

• Binary: 10000000101101111011011011110110000000₂
• Hexadecimal: 0x202DEDBD80
• Base-36: 1RHQDFGG

Squares and roots of 138209508736

• 138209508736 squared (138209508736²) is 19101868305046460317696
• 138209508736 cubed (138209508736³) is 2640059834380240270164482647392256
• The square root of 138209508736 is 371765.3947531965
• The cube root of 138209508736 is 5170.2630693445

Scales and comparisons

• 138,209,508,736 seconds is equal to 4,394 years, 33 weeks, 2 hours, 12 minutes, 16 seconds.
• To count from 1 to 138,209,508,736 would take you about eight thousand, seven hundred eighty-nine 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 138209508736 cubic inches would be around 430.9 feet tall.

Recreational maths with 138209508736

• 138209508736 backwards is 637805902831
• 138209508736 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138209508736's digits is 52
• More coming soon!