638425265152

Names of 638425265152

• Cardinal: 638425265152 can be written as Six hundred thirty-eight billion, four hundred twenty-five million, two hundred sixty-five thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 6.38425265152 × 10¹¹

Factors of 638425265152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 23726

Divisors of 638425265152

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 8 16 23 31 32 37 46 62 64 74 92 124 128 148 184 248 256 296 368 496 512 592 713 736 851 992 1024 1147 1184 1426 1472 1702 1984 2294 2368 2852 2944 3404 3968 4588 4736 5704 5888 6808 7936 9176 9472 11408 11776 13616 15872 18352 18944 22816 23552 23633 26381 27232 31744 36704 37888 45632 47266 52762 54464 73408 91264 94532 105524 108928 146816 182528 189064 211048 217856 293632 365056 378128 422096 435712 543559 587264 730112 732623 756256 844192 871424 874421 1087118 1174528 1465246 1512512 1688384 1748842 2174236 2930492 3025024 3376768 3497684 4348472 5860984 6050048 6753536 6995368 8696944 11721968 12100096 13507072 13990736 16850329 17393888 20111683 23443936 24200192 27014144 27107051 27981472 33700658 34787776 40223366 46887872 54214102 55962944 67401316 69575552 80446732 93775744 108428204 111925888 134802632 139151104 160893464 187551488 216856408 223851776 269605264 278302208 321786928 375102976 433712816 447703552 539210528 556604416 623462173 643573856 750205952 867425632 895407104 1078421056 1246924346 1287147712 1734851264 2156842112 2493848692 2574295424 3469702528 4313684224 4987697384 5148590848 6939405056 8627368448 9975394768 10297181696 13878810112 17254736896 19950789536 20594363392 27757620224 39901579072 79803158144 159606316288 319212632576 638425265152
• Sum of all divisors σ(n): 1411886840832
• Sum of proper divisors (its aliquot sum) s(n): 773461575680
• 638425265152 is an abundant number, because the sum of its proper divisors (773461575680) is greater than itself. Its abundance is 135036310528

Bases of 638425265152

• Binary: 1001010010100101000111000111010000000000₂
• Hexadecimal: 0x94A51C7400
• Base-36: 85ADX3B4

Squares and roots of 638425265152

• 638425265152 squared (638425265152²) is 407586819184401505583104
• 638425265152 cubed (638425265152³) is 260213723110261811584321179571191808
• The square root of 638425265152 is 799015.1845565891
• The cube root of 638425265152 is 8610.6649064407

Scales and comparisons

• 638,425,265,152 seconds is equal to 20,299 years, 49 weeks, 2 days, 7 hours, 25 minutes, 52 seconds.
• To count from 1 to 638,425,265,152 would take you about forty thousand, five hundred ninety-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 638425265152 cubic inches would be around 717.6 feet tall.

Recreational maths with 638425265152

• 638425265152 backwards is 251562524836
• The number of decimal digits it has is: 12
• The sum of 638425265152's digits is 49
• More coming soon!